{"id":38049,"date":"2024-03-26T16:48:16","date_gmt":"2024-03-26T16:48:16","guid":{"rendered":"https:\/\/www.alicat.com\/?post_type=article&#038;p=38049"},"modified":"2026-01-26T16:26:10","modified_gmt":"2026-01-26T16:26:10","slug":"auswahl-eines-instruments-prozessanschlusse","status":"publish","type":"support","link":"https:\/\/www.alicat.com\/de\/support\/choosing-an-instrument-process-connections\/","title":{"rendered":"Prozessanschl\u00fcsse und Armaturen"},"content":{"rendered":"\n[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;RGBA(255,255,255,0)&#8221; min_height=&#8221;3552.9px&#8221; custom_padding=&#8221;|0px|4px|0px|false|false&#8221; box_shadow_style=&#8221;none&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_row _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; min_height=&#8221;3306.9px&#8221; custom_margin=&#8221;|auto|64px|auto||&#8221; custom_padding=&#8221;||21px|||&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;||20px||false|false&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<h1><strong>Process ports and fittings<\/strong><\/h1>\n<p>Selecting the best process port or fitting is just as critical as selecting the correct pressure or flow technology for your specific application. Although Alicat\u2019s devices are typically shipped with either M5 or NPT female process ports, Alicat offers many additional customization options, depending on your requirements.<\/p>\n<div class=\"su-box su-box-style-default .su-box.my-custom-box { max-width: 400px; }\" id=\"\">\n<div class=\"su-box-title\">What is the difference between process ports and fittings?<\/div>\n<div class=\"su-box-content su-u-clearfix su-u-trim\">\n<p>Process ports are physically welded or machined with device flow bodies, whereas fittings are removable and interchangeable. In other words, process ports describe permanent connections on devices and fittings describe temporary ones.<\/p>\n<\/div>\n<\/div>\n<h2><\/h2>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; width=&#8221;50%&#8221; module_alignment=&#8221;center&#8221; custom_margin=&#8221;20px|20px|20px|20px|false|false&#8221; custom_padding=&#8221;20px|20px|20px|20px|false|false&#8221; border_color_all=&#8221;#E12028&#8243; border_width_top=&#8221;5px&#8221; border_width_left=&#8221;2px&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<h2 class=\"su-box-title\">What is the difference between process ports and fittings?<\/h2>\n<p>&nbsp;<\/p>\n<div class=\"su-box-content su-u-clearfix su-u-trim\">\n<p>Process ports are physically welded or machined with device flow bodies, whereas fittings are removable and interchangeable. In other words, process ports describe permanent connections on devices and fittings describe temporary ones.<\/p>\n<\/div>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;10px||20px||false|false&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<h2>NPT process ports and fittings<\/h2>\n<p>FNPT, or Female National Pipe Thread, is the default process port thread connection on Alicat\u2019s devices. A tapered connection, NPT is the standard thread in the United States for most default applications. Alicat devices come with default NPT thread sizes ranging from 1\/8\u201d to 2\u201d based on each device\u2019s flow rate specifications. When using PTFE tape to seal NPT fittings on Alicat devices, do not wrap the first two threads in order to avoid any contamination of the main flow body.<\/p>\n<p>In addition to NPT process port threads, Alicat offers a range of NPT fittings which allow for mixed connections such as NPT to compression and SAE to NPT adapters.<\/p>\n<div class=\"su-row\">\n<div class=\"su-column su-column-size-1-2\">\n<div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<div class=\"su-box su-box-style-default\" id=\"\">\n<h4 class=\"su-box-title\" style=\"padding-left: 40px;\"><span style=\"color: #008000;\"><strong>Advantages<\/strong><\/span><\/h4>\n<div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"padding-left: 40px;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"color: #000000;\">United States standard thread connection<\/span><\/li>\n<li><span style=\"color: #000000;\">Fittings are easily available and affordable<\/span><\/li>\n<li><span style=\"color: #000000;\">No need for O-rings<\/span><\/li>\n<li><span style=\"color: #000000;\">Variety of end connection adapters available<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"su-column su-column-size-1-2\">\n<div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<div class=\"su-box su-box-style-default\" id=\"\">\n<h4 class=\"su-box-title\" style=\"padding-left: 40px;\"><span style=\"color: #800000;\">Disadvantages<\/span><\/h4>\n<div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"padding-left: 40px;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"color: #000000;\">Requires PTFE tape<\/span><\/li>\n<li><span style=\"color: #000000;\">Small leaks possible based on variance in manufacturing quality, materials, and installation of fittings<\/span><\/li>\n<li><span style=\"color: #000000;\">Overtightening can cause thread damage over time<\/span><\/li>\n<li><span style=\"color: #000000;\">Parts more expensive outside US<\/span><\/li>\n<li><span style=\"color: #000000;\">Not as common in liquid applications<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h2><\/h2>\n<h2>BSPP process ports and fittings<\/h2>\n<p>BSPP stands for British Standard Pipe Parallel. These straight process port threads are default connections used in Europe. Sometimes BSPP is also denoted BSP or simply with the letter G (ISO Standard). Alicat offers BSPP connection threads from 1\/8\u201d to 2.0.\u201d<\/p>\n<div class=\"su-row\">\n<div class=\"su-column su-column-size-1-2\">\n<div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<div class=\"su-box su-box-style-default\" id=\"\">\n<h4 class=\"su-box-title\" style=\"padding-left: 40px;\"><span style=\"color: #008000;\"><strong>Advantages<\/strong><\/span><\/h4>\n<div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"padding-left: 40px;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"color: #000000;\">British standard thread connection<\/span><\/li>\n<li><span style=\"color: #000000;\">Parts common in Europe<\/span><\/li>\n<li><span style=\"color: #000000;\">Generally better sealing than NPT<\/span><\/li>\n<li><span style=\"color: #000000;\">Overtightening causes less thread damage than NPT<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"su-column su-column-size-1-2\">\n<div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<div class=\"su-box su-box-style-default\" id=\"\">\n<h4 class=\"su-box-title\" style=\"padding-left: 40px;\"><span style=\"color: #800000;\">Disadvantages<\/span><\/h4>\n<div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"padding-left: 40px;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"color: #000000;\">O-Rings must be compatible with gases or liquids used<\/span><\/li>\n<li><span style=\"color: #000000;\">Small leaks possible based on variance in manufacturing quality, materials, and installation of fittings<\/span><\/li>\n<li><span style=\"color: #000000;\">Parts harder to find outside Europe<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h2><\/h2>\n<h2>SAE process ports and fittings<\/h2>\n<p>SAE stands for the Society of Automotive Engineers threads. These are straight process port threads usually used in vacuum applications. SAE is often indicated by fitting size and sometimes by thread size. For identification, Alicat\u2019s part numbers will use the fitting size and its description will use the thread size. Alicat offers J1926 and AS5202 SAE process ports from 1\/8\u201d to 1-1\/4\u201d and various SAE fittings.<\/p>\n<div class=\"su-row\">\n<div class=\"su-column su-column-size-1-2\">\n<div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<div class=\"su-box su-box-style-default\" id=\"\">\n<h4 class=\"su-box-title\" style=\"padding-left: 40px;\"><span style=\"color: #008000;\"><strong>Advantages<\/strong><\/span><\/h4>\n<div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"padding-left: 40px;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"color: #000000;\">Helium leak check compatible threads<\/span><\/li>\n<li><span style=\"color: #000000;\">Better sealing than NPT and BSPP threads<\/span><\/li>\n<li><span style=\"color: #000000;\">Parts are easily located in US<\/span><\/li>\n<li><span style=\"color: #000000;\">Easy to assemble and disassemble connections<\/span><\/li>\n<li><span style=\"color: #000000;\">Overtightening causes less thread damage than NPT<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"su-column su-column-size-1-2\">\n<div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<div class=\"su-box su-box-style-default\" id=\"\">\n<h4 class=\"su-box-title\" style=\"padding-left: 40px;\"><span style=\"color: #800000;\">Disadvantages<\/span><\/h4>\n<div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"padding-left: 40px;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"color: #000000;\">O-Rings must be compatible with gases or liquids used<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h2><strong><\/strong><\/h2>\n<h2><\/h2>\n<h2>Swagelok compression process ports and fittings<\/h2>\n<p>Alicat offers Swagelok compression process ports and adapter fittings which are also referred to as two-ferrule Swagelok tube fittings. These process ports and fittings create hard seals using a tightened nut and are rated up to 15,000 PSIG. To connect, bottom out tubing inside the fitting body and tighten the nut 1-1\/4 turns from finger tight. Alicat offers process ports for compression in 1\/4\u2033, 1\/2\u201d and 3\/4\u201d sizes and Alicat provides Swagelok compression fittings in 1\/4\u2033, 3\/8\u201d, and 1\/2\u201d and 3\/4\u201d sizes.<\/p>\n<div class=\"su-row\">\n<div class=\"su-column su-column-size-1-2\">\n<div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<div class=\"su-box su-box-style-default\" id=\"\">\n<h4 class=\"su-box-title\" style=\"padding-left: 40px;\"><span style=\"color: #008000;\"><strong>Advantages<\/strong><\/span><\/h4>\n<div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"padding-left: 40px;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"color: #000000;\">Helium leak check compatible fittings<\/span><\/li>\n<li><span style=\"color: #000000;\">Easy to assemble connections<\/span><\/li>\n<li><span style=\"color: #000000;\">Parts are easily located in US<\/span><\/li>\n<li><span style=\"color: #000000;\">High pressure rated (up to 15,000 PSIG)<\/span><\/li>\n<li><span style=\"color: #000000;\">Variety of end connection adapters available<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"su-column su-column-size-1-2\">\n<div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<div class=\"su-box su-box-style-default\" id=\"\">\n<h4 class=\"su-box-title\" style=\"padding-left: 40px;\"><span style=\"color: #800000;\">Disadvantages<\/span><\/h4>\n<div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"padding-left: 40px;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"color: #000000;\">VCR and VCO better for vacuum applications<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h2>Swagelok VCR process ports<\/h2>\n<p>Alicat also offers Swagelok VCR process ports which are ideal for vacuum and positive pressure applications. These connectors use metal gasket face seals for greater leak-resistance. Welded VCR process ports are rated from 7100 PSIG at 1\/8\u201d to 3000 PSIG at 1\u201d. These are generally used in high purity gas lines or where space is limited. To connect, simply align both gland connections, utilize new gaskets and tighten the connecting nuts. Alicat provides Swagelok VCR process ports from 1\/8\u201d to 1\u201d sizes.<\/p>\n<div class=\"su-row\">\n<div class=\"su-column su-column-size-1-2\">\n<div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<div class=\"su-box su-box-style-default\" id=\"\">\n<h4 class=\"su-box-title\" style=\"padding-left: 40px;\"><span style=\"color: #008000;\"><strong>Advantages<\/strong><\/span><\/h4>\n<div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"padding-left: 40px;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"color: #000000;\">Vacuum rated with extremely low leak rate<\/span><\/li>\n<li><span style=\"color: #000000;\">Components can be removed without bending lines<\/span><\/li>\n<li><span style=\"color: #000000;\">Fluid compatibility<\/span><\/li>\n<li><span style=\"color: #000000;\">Metal-to-metal seal<\/span><\/li>\n<li><span style=\"color: #000000;\">Parts are easily located in US<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"su-column su-column-size-1-2\">\n<div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<div class=\"su-box su-box-style-default\" id=\"\">\n<h4 class=\"su-box-title\" style=\"padding-left: 40px;\"><span style=\"color: #800000;\">Disadvantages<\/span><\/h4>\n<div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"padding-left: 40px;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"color: #000000;\">Need to weld, swage or flare to attach to tubing<\/span><\/li>\n<li><span style=\"color: #000000;\">Gaskets can fall off when disassembling<\/span><\/li>\n<li><span style=\"color: #000000;\">Lower pressure rated relative to other Swagelok fittings<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h2><strong><\/strong><\/h2>\n<h2>Swagelok VCO process ports<\/h2>\n<p>Alicat also offers Swagelok VCO process ports which create vacuum seals using an O-ring. VCO fittings allow for rapid assembly for use in high-pressure, low-pressure, and high purity gas applications.<\/p>\n<div class=\"su-row\">\n<div class=\"su-column su-column-size-1-2\">\n<div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<div class=\"su-box su-box-style-default\" id=\"\">\n<h4 class=\"su-box-title\" style=\"padding-left: 40px;\"><span style=\"color: #008000;\"><strong>Advantages<\/strong><\/span><\/h4>\n<div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"padding-left: 40px;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"color: #000000;\">Components can be removed without bending lines<\/span><\/li>\n<li><span style=\"color: #000000;\">Rated to same pressure as compression fittings up to 15,000 PSIG<\/span><\/li>\n<li><span style=\"color: #000000;\">Vacuum rated with extremely low leak rate<\/span><\/li>\n<li><span style=\"color: #000000;\">Quick assembly<\/span><\/li>\n<li><span style=\"color: #000000;\">Wide range of temperature compatibility<\/span><\/li>\n<li><span style=\"color: #000000;\">Parts are easily located in US<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"su-column su-column-size-1-2\">\n<div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<div class=\"su-box su-box-style-default\" id=\"\">\n<h4 class=\"su-box-title\" style=\"padding-left: 40px;\"><span style=\"color: #800000;\">Disadvantages<\/span><\/h4>\n<div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"padding-left: 40px;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"color: #000000;\">Need to weld, swage or flare to attach to tubing<\/span><\/li>\n<li><span style=\"color: #000000;\">O-rings can fall off when disassembling<\/span><\/li>\n<li><span style=\"color: #000000;\">O-rings must be chemical compatible<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h2><strong><\/strong><\/h2>\n<h2>Down port process ports<\/h2>\n<p>Alicat also offers down port process ports which use underside connections to attach to manifolds or other custom configurations. These down ports allow for devices to mount from the bottom using through-holes, O-rings, bolts, and nuts. Instead of flowing side-to-side, both inflow and outflow are on the bottom. Alicat offers three down main port process port options:<\/p>\n<p><span style=\"color: #000000;\"><\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>\n<h4><span style=\"color: #000000;\">NeSSI-compliant down port (NESSI)<\/span><\/h4>\n<\/li>\n<li>\n<h4><span style=\"color: #000000;\">Down port, mounting screws thread from below (DPORT)<\/span><\/h4>\n<\/li>\n<li>\n<h4><span style=\"color: #000000;\">Down port, mounting screws thread from above (TMDPORT)<\/span><\/h4>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<div class=\"su-row\">\n<div class=\"su-column su-column-size-1-2\">\n<div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<div class=\"su-box su-box-style-default\" id=\"\">\n<div class=\"su-box-title\"><\/div>\n<h4 class=\"su-box-title\" style=\"padding-left: 40px;\"><span style=\"color: #008000;\"><strong>Advantages<\/strong><\/span><\/h4>\n<div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"padding-left: 40px;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"color: #000000;\">Works well with manifolds<\/span><\/li>\n<li><span style=\"color: #000000;\">Unique plumbing configurations<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"su-column su-column-size-1-2\">\n<div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<div class=\"su-box su-box-style-default\" id=\"\">\n<h4 class=\"su-box-title\" style=\"padding-left: 40px;\"><span style=\"color: #800000;\">Disadvantages<\/span><\/h4>\n<div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"padding-left: 40px;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"color: #000000;\">Not useful in standard plumbing configurations<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;10px||10px||false|false&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<h2>NPT process ports and fittings<\/h2>\n<p>FNPT, or Female National Pipe Thread, is the default process port thread connection on Alicat\u2019s devices. A tapered connection, NPT is the standard thread in the United States for most default applications. Alicat devices come with default NPT thread sizes ranging from 1\/8\u201d to 2\u201d based on each device\u2019s flow rate specifications. When using PTFE tape to seal NPT fittings on Alicat devices, do not wrap the first two threads in order to avoid any contamination of the main flow body.<\/p>\n<p>In addition to NPT process port threads, Alicat offers a range of NPT fittings which allow for mixed connections such as NPT to compression and SAE to NPT adapters.<\/p>\n<p>&nbsp;<\/p>\n<div class=\"su-row\">\n<div class=\"su-column su-column-size-1-2\">\n<div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<div class=\"su-box su-box-style-default\" id=\"\">\n<h4 class=\"su-box-title\" style=\"padding-left: 40px;\"><span style=\"color: #008000;\"><strong>Advantages<\/strong><\/span><\/h4>\n<div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"padding-left: 40px;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"color: #000000;\">United States standard thread connection<\/span><\/li>\n<li><span style=\"color: #000000;\">Fittings are easily available and affordable<\/span><\/li>\n<li><span style=\"color: #000000;\">No need for O-rings<\/span><\/li>\n<li><span style=\"color: #000000;\">Variety of end connection adapters available<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"su-column su-column-size-1-2\">\n<div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<div class=\"su-box su-box-style-default\" id=\"\">\n<h4 class=\"su-box-title\" style=\"padding-left: 40px;\"><span style=\"color: #800000;\">Disadvantages<\/span><\/h4>\n<div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"padding-left: 40px;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"color: #000000;\">Requires PTFE tape<\/span><\/li>\n<li><span style=\"color: #000000;\">Small leaks possible based on variance in manufacturing quality, materials, and installation of fittings<\/span><\/li>\n<li><span style=\"color: #000000;\">Overtightening can cause thread damage over time<\/span><\/li>\n<li><span style=\"color: #000000;\">Parts more expensive outside US<\/span><\/li>\n<li><span style=\"color: #000000;\">Not as common in liquid applications<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>[\/et_pb_text][et_pb_accordion icon_color=&#8221;#E12028&#8243; _builder_version=&#8221;4.24.2&#8243; _module_preset=&#8221;default&#8221; width=&#8221;75%&#8221; module_alignment=&#8221;center&#8221; custom_padding=&#8221;20px||20px||false|false&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_accordion_item title=&#8221;NPT female threads&#8221; open=&#8221;on&#8221; _builder_version=&#8221;4.24.2&#8243; _module_preset=&#8221;default&#8221; width=&#8221;70%&#8221; module_alignment=&#8221;center&#8221; global_colors_info=&#8221;{}&#8221; toggle_level=&#8221;h3&#8243; theme_builder_area=&#8221;post_content&#8221;]<table>\n<tbody>\n<tr>\n<td><strong>NPT Size<\/strong><\/td>\n<td><strong>M-Series<\/strong><\/td>\n<td><strong>Whisper<\/strong><\/td>\n<\/tr>\n<tr>\n<td>1\/8\u201d<\/td>\n<td>100 SCCM to 20 SLPM<\/td>\n<td>50 SCCM to 5 SLPM<\/td>\n<\/tr>\n<tr>\n<td>1\/4\u2033<\/td>\n<td>50 to 100 SLPM<\/td>\n<td>10 to 20 SLPM<\/td>\n<\/tr>\n<tr>\n<td>1\/2\u2033<\/td>\n<td>250 SLPM<\/td>\n<td>40 SLPM<\/td>\n<\/tr>\n<tr>\n<td>3\/4\u2033<\/td>\n<td>500 to 2000 SLPM<\/td>\n<td>50 to 500 SLPM<\/td>\n<\/tr>\n<tr>\n<td>1\u201d<\/td>\n<td>\u2013<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<tr>\n<td>1-1\/4\u201d<\/td>\n<td>3000 SLPM<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<tr>\n<td>1-1\/2\u201d<\/td>\n<td>4000 to 5000 SLPM<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<tr>\n<td>2\u201d<\/td>\n<td>\u2013<\/td>\n<td>1000 SLPM<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"su-spacer\"><\/div>\n<p>*Full scale flow rates 50 SCCM and lower for M-Series use M5. Full scale flow rates 20 SCCM and lower for Whisper use M5.<\/p>\n<p>Alicat also offers <a href=\"https:\/\/www.alicat.com\/products\/accessories\/fittings-and-adapters\/\">threaded compression fittings<\/a> for our default NPT process ports.<\/p>[\/et_pb_accordion_item][\/et_pb_accordion][et_pb_text _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;20px||20px||false|false&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<h2>BSPP process ports and fittings<\/h2>\n<p>BSPP stands for British Standard Pipe Parallel. These straight process port threads are default connections used in Europe. Sometimes BSPP is also denoted BSP or simply with the letter G (ISO Standard). Alicat offers BSPP connection threads from 1\/8\u201d to 2.0.\u201d<\/p>\n<div class=\"su-row\">\n<div class=\"su-column su-column-size-1-2\">\n<div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<div class=\"su-box su-box-style-default\" id=\"\">\n<h4 class=\"su-box-title\" style=\"padding-left: 40px;\"><span style=\"color: #008000;\"><strong><\/strong><\/span><\/h4>\n<h4 class=\"su-box-title\" style=\"padding-left: 40px;\"><span style=\"color: #008000;\"><strong>Advantages<\/strong><\/span><\/h4>\n<div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"padding-left: 40px;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"color: #000000;\">British standard thread connection<\/span><\/li>\n<li><span style=\"color: #000000;\">Parts common in Europe<\/span><\/li>\n<li><span style=\"color: #000000;\">Generally better sealing than NPT<\/span><\/li>\n<li><span style=\"color: #000000;\">Overtightening causes less thread damage than NPT<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"su-column su-column-size-1-2\">\n<div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<div class=\"su-box su-box-style-default\" id=\"\">\n<h4 class=\"su-box-title\" style=\"padding-left: 40px;\"><span style=\"color: #800000;\">Disadvantages<\/span><\/h4>\n<div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"padding-left: 40px;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"color: #000000;\">O-Rings must be compatible with gases or liquids used<\/span><\/li>\n<li><span style=\"color: #000000;\">Small leaks possible based on variance in manufacturing quality, materials, and installation of fittings<\/span><\/li>\n<li><span style=\"color: #000000;\">Parts harder to find outside Europe<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>[\/et_pb_text][et_pb_accordion open_toggle_background_color=&#8221;#FFFFFF&#8221; closed_toggle_background_color=&#8221;#EAEAEA&#8221; toggle_icon=&#8221;&#x24;||divi||400&#8243; icon_color=&#8221;#E12028&#8243; _builder_version=&#8221;4.24.2&#8243; _module_preset=&#8221;default&#8221; width=&#8221;75%&#8221; module_alignment=&#8221;center&#8221; custom_padding=&#8221;20px||20px||false|false&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_accordion_item title=&#8221;BSPP %22G%22 threads&#8221; open=&#8221;on&#8221; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; width=&#8221;70%&#8221; module_alignment=&#8221;center&#8221; global_colors_info=&#8221;{}&#8221; toggle_level=&#8221;h3&#8243; theme_builder_area=&#8221;post_content&#8221;]<div class=\"su-spacer\">\n<h3><\/h3>\n<table>\n<tbody>\n<tr>\n<td><strong>BSPP Size<\/strong><\/td>\n<td><strong>M-Series<\/strong><\/td>\n<\/tr>\n<tr>\n<td>1\/8\u201d<\/td>\n<td>100 SCCM to 20 SLPM<\/td>\n<\/tr>\n<tr>\n<td>1\/4\u201d<\/td>\n<td>50 to 100 SLPM<\/td>\n<\/tr>\n<tr>\n<td>3\/8\u201d<\/td>\n<td>50 to 250 SLPM<\/td>\n<\/tr>\n<tr>\n<td>1\/2\u201d<\/td>\n<td>250 SLPM<\/td>\n<\/tr>\n<tr>\n<td>3\/4\u201d<\/td>\n<td>500 to 2000 SLPM<\/td>\n<\/tr>\n<tr>\n<td>1.5\u201d<\/td>\n<td>4000 to 5000 SLPM<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>*Full scale flow rates 50 SCCM and lower for M-Series use M5. Full scale flow rates 20 SCCM and lower for Whisper use M5.<\/p>\n<p>Alicat also offers <a href=\"https:\/\/www.alicat.com\/products\/accessories\/fittings-and-adapters\/\">threaded compression fittings<\/a> for our default NPT process ports.<\/p>[\/et_pb_accordion_item][\/et_pb_accordion][et_pb_text _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;20px||20px||false|false&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<h2>SAE process ports and fittings<\/h2>\n<p>SAE stands for the Society of Automotive Engineers threads. These are straight process port threads usually used in vacuum applications. SAE is often indicated by fitting size and sometimes by thread size. For identification, Alicat\u2019s part numbers will use the fitting size and its description will use the thread size. Alicat offers J1926 and AS5202 SAE process ports from 1\/8\u201d to 1-1\/4\u201d and various SAE fittings.<\/p>\n<div class=\"su-row\">\n<div class=\"su-column su-column-size-1-2\">\n<div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<div class=\"su-box su-box-style-default\" id=\"\">\n<h4 class=\"su-box-title\" style=\"padding-left: 40px;\"><span style=\"color: #008000;\"><strong>Advantages<\/strong><\/span><\/h4>\n<div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"padding-left: 40px;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"color: #000000;\">Helium leak check compatible threads<\/span><\/li>\n<li><span style=\"color: #000000;\">Better sealing than NPT and BSPP threads<\/span><\/li>\n<li><span style=\"color: #000000;\">Parts are easily located in US<\/span><\/li>\n<li><span style=\"color: #000000;\">Easy to assemble and disassemble connections<\/span><\/li>\n<li><span style=\"color: #000000;\">Overtightening causes less thread damage than NPT<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"su-column su-column-size-1-2\">\n<div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<div class=\"su-box su-box-style-default\" id=\"\">\n<h4 class=\"su-box-title\" style=\"padding-left: 40px;\"><span style=\"color: #800000;\">Disadvantages<\/span><\/h4>\n<div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"padding-left: 40px;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"color: #000000;\">O-Rings must be compatible with gases or liquids used<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"su-row\">\n<div class=\"su-column su-column-size-1-2\">\n<div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<div class=\"su-box su-box-style-default\" id=\"\">\n<div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"padding-left: 40px;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul><\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>[\/et_pb_text][et_pb_accordion open_toggle_background_color=&#8221;#FFFFFF&#8221; closed_toggle_background_color=&#8221;#EAEAEA&#8221; toggle_icon=&#8221;&#x24;||divi||400&#8243; icon_color=&#8221;#E12028&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; width=&#8221;75%&#8221; module_alignment=&#8221;center&#8221; custom_padding=&#8221;20px||20px||false|false&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_accordion_item title=&#8221;SAE threads&#8221; open=&#8221;on&#8221; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; width=&#8221;70%&#8221; module_alignment=&#8221;center&#8221; global_colors_info=&#8221;{}&#8221; toggle_level=&#8221;h3&#8243; theme_builder_area=&#8221;post_content&#8221;]<div class=\"su-spacer\">\n<table>\n<tbody>\n<tr>\n<td><strong>Dash Size<\/strong><\/td>\n<td><strong>O-Ring Thread<\/strong><\/td>\n<td><strong>M-Series<\/strong><\/td>\n<\/tr>\n<tr>\n<td>M5 (10-32 UNF)<\/td>\n<td>\u2013<\/td>\n<td>0.5 to 10 SCCM<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>5\/16-24<\/td>\n<td>10 to 50 SCCM<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>7\/16-20<\/td>\n<td>100 SCCM to 10 SLPM<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>9\/16-18<\/td>\n<td>20 to 100 SLPM<\/td>\n<\/tr>\n<tr>\n<td>8<\/td>\n<td>3\/4-16<\/td>\n<td>250 SLPM<\/td>\n<\/tr>\n<tr>\n<td>10<\/td>\n<td>7\/8-14<\/td>\n<td>500 to 1000 SLPM<\/td>\n<\/tr>\n<tr>\n<td>12<\/td>\n<td>1-1\/16-12<\/td>\n<td>1500 to 2000 SLPM<\/td>\n<\/tr>\n<tr>\n<td>16<\/td>\n<td>1-5\/16-12<\/td>\n<td>3000 SLPM<\/td>\n<\/tr>\n<tr>\n<td>24<\/td>\n<td>1-7\/8-12<\/td>\n<td>4000 to 5000 SLPM<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>[\/et_pb_accordion_item][\/et_pb_accordion][et_pb_accordion icon_color=&#8221;#E12028&#8243; use_icon_font_size=&#8221;on&#8221; icon_font_size=&#8221;27px&#8221; _builder_version=&#8221;4.24.2&#8243; _module_preset=&#8221;default&#8221; toggle_level=&#8221;h2&#8243; closed_toggle_font=&#8221;|600|||||||&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_accordion_item title=&#8221;NPT process ports and fittings&#8221; open=&#8221;on&#8221; icon_color=&#8221;#E12028&#8243; toggle_icon=&#8221;&#x24;||divi||400&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; toggle_level=&#8221;h2&#8243; theme_builder_area=&#8221;post_content&#8221;]<h2><\/h2>\n<p>FNPT, or Female National Pipe Thread, is the default process port thread connection on Alicat\u2019s devices. A tapered connection, NPT is the standard thread in the United States for most default applications. Alicat devices come with default NPT thread sizes ranging from 1\/8\u201d to 2\u201d based on each device\u2019s flow rate specifications. When using PTFE tape to seal NPT fittings on Alicat devices, do not wrap the first two threads in order to avoid any contamination of the main flow body.<\/p>\n<p>In addition to NPT process port threads, Alicat offers a range of NPT fittings which allow for mixed connections such as NPT to compression and SAE to NPT adapters.<\/p>\n<p>&nbsp;<\/p>\n<div class=\"su-row\">\n<div class=\"su-column su-column-size-1-2\">\n<div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<div class=\"su-box su-box-style-default\" id=\"\">\n<h4 class=\"su-box-title\" style=\"padding-left: 40px;\"><span style=\"color: #008000;\"><strong>Advantages<\/strong><\/span><\/h4>\n<div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"padding-left: 40px;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"color: #000000;\">United States standard thread connection<\/span><\/li>\n<li><span style=\"color: #000000;\">Fittings are easily available and affordable<\/span><\/li>\n<li><span style=\"color: #000000;\">No need for O-rings<\/span><\/li>\n<li><span style=\"color: #000000;\">Variety of end connection adapters available<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"su-column su-column-size-1-2\">\n<div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<div class=\"su-box su-box-style-default\" id=\"\">\n<h4 class=\"su-box-title\" style=\"padding-left: 40px;\"><span style=\"color: #800000;\">Disadvantages<\/span><\/h4>\n<div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"padding-left: 40px;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"color: #000000;\">Requires PTFE tape<\/span><\/li>\n<li><span style=\"color: #000000;\">Small leaks possible based on variance in manufacturing quality, materials, and installation of fittings<\/span><\/li>\n<li><span style=\"color: #000000;\">Overtightening can cause thread damage over time<\/span><\/li>\n<li><span style=\"color: #000000;\">Parts more expensive outside US<\/span><\/li>\n<li><span style=\"color: #000000;\">Not as common in liquid applications<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>[\/et_pb_accordion_item][et_pb_accordion_item title=&#8221;NPT female threads&#8221; _builder_version=&#8221;4.24.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; open=&#8221;off&#8221;]<table style=\"margin-left: auto; margin-right: auto;\">\n<tbody>\n<tr>\n<td><strong>NPT Size<\/strong><\/td>\n<td><strong>M-Series<\/strong><\/td>\n<td><strong>Whisper<\/strong><\/td>\n<\/tr>\n<tr>\n<td>1\/8\u201d<\/td>\n<td>100 SCCM to 20 SLPM<\/td>\n<td>50 SCCM to 5 SLPM<\/td>\n<\/tr>\n<tr>\n<td>1\/4\u2033<\/td>\n<td>50 to 100 SLPM<\/td>\n<td>10 to 20 SLPM<\/td>\n<\/tr>\n<tr>\n<td>1\/2\u2033<\/td>\n<td>250 SLPM<\/td>\n<td>40 SLPM<\/td>\n<\/tr>\n<tr>\n<td>3\/4\u2033<\/td>\n<td>500 to 2000 SLPM<\/td>\n<td>50 to 500 SLPM<\/td>\n<\/tr>\n<tr>\n<td>1\u201d<\/td>\n<td>\u2013<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<tr>\n<td>1-1\/4\u201d<\/td>\n<td>3000 SLPM<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<tr>\n<td>1-1\/2\u201d<\/td>\n<td>4000 to 5000 SLPM<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<tr>\n<td>2\u201d<\/td>\n<td>\u2013<\/td>\n<td>1000 SLPM<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"su-spacer\"><\/div>\n<p>*Full scale flow rates 50 SCCM and lower for M-Series use M5. Full scale flow rates 20 SCCM and lower for Whisper use M5.<\/p>\n<p>Alicat also offers <a href=\"https:\/\/www.alicat.com\/products\/accessories\/fittings-and-adapters\/\">threaded compression fittings<\/a> for our default NPT process ports.<\/p>[\/et_pb_accordion_item][\/et_pb_accordion][\/et_pb_column][\/et_pb_row][\/et_pb_section]\n","protected":false},"featured_media":46458,"parent":0,"template":"","meta":{"_acf_changed":false,"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"1920","content-type":"","_searchwp_excluded":""},"categories":[],"class_list":["post-38049","support","type-support","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Process Ports and Fittings - Alicat Scientific<\/title>\n<meta name=\"description\" content=\"Selecting the best process port or fitting is just as critical as selecting the correct pressure or flow technology for your specific application. Although Alicat\u2019s devices are typically shipped with either M5 or NPT female process ports, Alicat offers many additional customization options, depending on your requirements.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.alicat.com\/de\/unterstutzung\/auswahl-eines-instruments-prozessanschlusse\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Process Ports and Fittings\" \/>\n<meta property=\"og:description\" content=\"Selecting the best process port or fitting is just as critical as selecting the correct pressure or flow technology for your specific application. Although Alicat\u2019s devices are typically shipped with either M5 or NPT female process ports, Alicat offers many additional customization options, depending on your requirements.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.alicat.com\/de\/unterstutzung\/auswahl-eines-instruments-prozessanschlusse\/\" \/>\n<meta property=\"og:site_name\" content=\"Alicat Scientific\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/alicatscientific\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-26T16:26:10+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.alicat.com\/wp-content\/uploads\/2026\/01\/featured-alicat.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"9\u00a0Minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.alicat.com\\\/support\\\/choosing-an-instrument-process-connections\\\/\",\"url\":\"https:\\\/\\\/www.alicat.com\\\/support\\\/choosing-an-instrument-process-connections\\\/\",\"name\":\"Process Ports and Fittings - Alicat Scientific\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.alicat.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.alicat.com\\\/support\\\/choosing-an-instrument-process-connections\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.alicat.com\\\/support\\\/choosing-an-instrument-process-connections\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.alicat.com\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/featured-alicat.png\",\"datePublished\":\"2024-03-26T16:48:16+00:00\",\"dateModified\":\"2026-01-26T16:26:10+00:00\",\"description\":\"Selecting the best process port or fitting is just as critical as selecting the correct pressure or flow technology for your specific application. 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