{"id":2865,"date":"2017-10-28T22:47:03","date_gmt":"2017-10-28T22:47:03","guid":{"rendered":"https:\/\/www.refrigerantboys.com\/uncategorized\/ri14sx\/"},"modified":"2026-09-17T16:45:04","modified_gmt":"2026-09-17T14:45:04","slug":"gas-cylinder-adapter-for-r32-r1234yf-r290-r600a-left-thread-w-21-7-x-1-14%e2%80%b3-lh-female-to-1-4%e2%80%b3-sae-male","status":"publish","type":"product","link":"https:\/\/www.refrigerantboys.com\/en\/buy\/equipement\/gas-cylinder-adapter-for-r32-r1234yf-r290-r600a-left-thread-w-21-7-x-1-14%e2%80%b3-lh-female-to-1-4%e2%80%b3-sae-male\/","title":{"rendered":"Gas Cylinder Adapter for R32, R1234yf, R290, R600a | Left Thread W 21.7 x 1\/14\u2033 LH Female to 1\/4\u2033 SAE Male"},"content":{"rendered":"<p data-path-to-node=\"5\"><b data-path-to-node=\"5\" data-index-in-node=\"0\">Technical Characteristics<\/b><\/p>\n<table data-path-to-node=\"6\">\n<thead>\n<tr>\n<td><strong>Parameter<\/strong><\/td>\n<td><strong>Specification<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"6,1,0,0\"><b data-path-to-node=\"6,1,0,0\" data-index-in-node=\"0\">Cylinder Connection (Inlet)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"6,1,1,0\">W 21.7 x 1\/14&#8243; <b data-path-to-node=\"6,1,1,0\" data-index-in-node=\"15\">Left-Handed (LH)<\/b> &#8211; Female<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"6,2,0,0\"><b data-path-to-node=\"6,2,0,0\" data-index-in-node=\"0\">Inlet\/Outlet Connection<\/b><\/span><\/td>\n<td><span data-path-to-node=\"6,2,1,0\">1\/4&#8243; SAE Male (7\/16&#8243;-20 UNF)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"6,3,0,0\"><b data-path-to-node=\"6,3,0,0\" data-index-in-node=\"0\">Cylinder Compatibility<\/b><\/span><\/td>\n<td><span data-path-to-node=\"6,3,1,0\">40L cylinders for flammable refrigerant gases \/ A2L \/ A3<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"6,4,0,0\"><b data-path-to-node=\"6,4,0,0\" data-index-in-node=\"0\">Main Compatible Gases<\/b><\/span><\/td>\n<td><span data-path-to-node=\"6,4,1,0\">R32, R1234yf, R454B, R452B, R290 (Propane), R600a (Isobutane)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"6,5,0,0\"><b data-path-to-node=\"6,5,0,0\" data-index-in-node=\"0\">Material<\/b><\/span><\/td>\n<td><span data-path-to-node=\"6,5,1,0\">High-precision solid brass<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"product-collateral\">\n<div class=\"product-grid home-page-product-grid\"><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Safety reduction fitting with <b data-path-to-node=\"3\" data-index-in-node=\"60\">left-hand thread (SX \/ Left Hand)<\/b>, specifically designed for 40-liter cylinders containing flammable and mildly flammable refrigerant gases (safety classes <b data-path-to-node=\"3\" data-index-in-node=\"229\">A2L<\/b> and <b data-path-to-node=\"3\" data-index-in-node=\"235\">A3<\/b>). It allows for a direct and safe connection between the cylinder valve (e.g., R32, R1234yf, R290, R600a, R454B) and charging hoses, piping, or pressure gauge assemblies equipped with a <b data-path-to-node=\"3\" data-index-in-node=\"432\">1\/4&#8243; SAE<\/b> universal fitting. Made of high-strength forged brass, it guarantees the complete absence of gas leaks during transfer, charging, and recovery operations.<\/p>\n<p data-path-to-node=\"8\"><b data-path-to-node=\"8\" data-index-in-node=\"0\">Strengths<\/b><\/p>\n<ul data-path-to-node=\"9\">\n<li>\n<p data-path-to-node=\"9,0,0\"><b data-path-to-node=\"9,0,0\" data-index-in-node=\"0\">Safety Standard: Special<\/b> left-hand thread designed to prevent accidental connection to cylinder valves intended for non-flammable gases (A1).<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"9,1,0\"><b data-path-to-node=\"9,1,0\" data-index-in-node=\"0\">Universal 1\/4&#8243; SAE Compatibility:<\/b> Allows for immediate use with most HVAC\/R equipment, scales, recovery stations, and standard pressure gauge assemblies.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"9,2,0\"><b data-path-to-node=\"9,2,0\" data-index-in-node=\"0\">Maximum Sealing &amp; Reliability:<\/b> Precision CNC machining ensures safe operation even at the high operating pressures of modern refrigerants.<\/p>\n<\/li>\n<\/ul>\n<blockquote data-path-to-node=\"10\">\n<p data-path-to-node=\"10,0\"><b data-path-to-node=\"10,0\" data-index-in-node=\"0\">Safety Note:<\/b> <b data-path-to-node=\"10,0\" data-index-in-node=\"32\">Left-hand threaded (SX)<\/b> connector, intended exclusively for use with cylinders and valves that comply with Class A2L \/ A2 \/ A3 gas standards. Do not force it onto standard right-hand threaded (DX) valves.<\/p>\n<\/blockquote>\n","protected":false},"featured_media":94996,"template":"","meta":[],"product_cat":[145],"product_tag":[],"acf":{"ai_note":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Gas Cylinder Adapter for R32, R1234yf, R290, R600a | Left Thread W 21.7 x 1\/14\u2033 LH Female to 1\/4\u2033 SAE Male | Refrigerant Boys<\/title>\n<meta name=\"description\" content=\"Safety reduction fitting with left-hand thread (SX \/ Left Hand), specifically designed for 40-liter cylinders containing flammable and mildly flammable refrigerant gases (safety classes A2L and A3). It allows for a direct and safe connection between the cylinder valve (e.g., R32, R1234yf, R290, R600a, R454B) and charging hoses, piping, or pressure gauge assemblies equipped with a 1\/4&quot; SAE universal fitting. Made of high-strength forged brass, it guarantees the complete absence of gas leaks during transfer, charging, and recovery operations. Strengths     Safety Standard: Special left-hand thread designed to prevent accidental connection to cylinder valves intended for non-flammable gases (A1).    Universal 1\/4&quot; SAE Compatibility: Allows for immediate use with most HVAC\/R equipment, scales, recovery stations, and standard pressure gauge assemblies.    Maximum Sealing &amp; Reliability: Precision CNC machining ensures safe operation even at the high operating pressures of modern refrigerants.    Safety Note: Left-hand threaded (SX) connector, intended exclusively for use with cylinders and valves that comply with Class A2L \/ A2 \/ A3 gas standards. Do not force it onto standard right-hand threaded (DX) valves.\" \/>\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.refrigerantboys.com\/en\/buy\/equipement\/gas-cylinder-adapter-for-r32-r1234yf-r290-r600a-left-thread-w-21-7-x-1-14%e2%80%b3-lh-female-to-1-4%e2%80%b3-sae-male\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gas Cylinder Adapter for R32, R1234yf, R290, R600a | Left Thread W 21.7 x 1\/14\u2033 LH Female to 1\/4\u2033 SAE Male | Refrigerant Boys\" \/>\n<meta property=\"og:description\" content=\"Safety reduction fitting with left-hand thread (SX \/ Left Hand), specifically designed for 40-liter cylinders containing flammable and mildly flammable refrigerant gases (safety classes A2L and A3). It allows for a direct and safe connection between the cylinder valve (e.g., R32, R1234yf, R290, R600a, R454B) and charging hoses, piping, or pressure gauge assemblies equipped with a 1\/4&quot; SAE universal fitting. Made of high-strength forged brass, it guarantees the complete absence of gas leaks during transfer, charging, and recovery operations. Strengths     Safety Standard: Special left-hand thread designed to prevent accidental connection to cylinder valves intended for non-flammable gases (A1).    Universal 1\/4&quot; SAE Compatibility: Allows for immediate use with most HVAC\/R equipment, scales, recovery stations, and standard pressure gauge assemblies.    Maximum Sealing &amp; Reliability: Precision CNC machining ensures safe operation even at the high operating pressures of modern refrigerants.    Safety Note: Left-hand threaded (SX) connector, intended exclusively for use with cylinders and valves that comply with Class A2L \/ A2 \/ A3 gas standards. Do not force it onto standard right-hand threaded (DX) valves.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.refrigerantboys.com\/en\/buy\/equipement\/gas-cylinder-adapter-for-r32-r1234yf-r290-r600a-left-thread-w-21-7-x-1-14%e2%80%b3-lh-female-to-1-4%e2%80%b3-sae-male\/\" \/>\n<meta property=\"og:site_name\" content=\"Refrigerant Boys\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-17T14:45:04+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.refrigerantboys.com\/wp-content\/uploads\/2017\/10\/unnamed.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"904\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\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=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.refrigerantboys.com\/en\/buy\/equipement\/gas-cylinder-adapter-for-r32-r1234yf-r290-r600a-left-thread-w-21-7-x-1-14%e2%80%b3-lh-female-to-1-4%e2%80%b3-sae-male\/\",\"url\":\"https:\/\/www.refrigerantboys.com\/en\/buy\/equipement\/gas-cylinder-adapter-for-r32-r1234yf-r290-r600a-left-thread-w-21-7-x-1-14%e2%80%b3-lh-female-to-1-4%e2%80%b3-sae-male\/\",\"name\":\"Gas Cylinder Adapter for R32, R1234yf, R290, R600a | Left Thread W 21.7 x 1\/14\u2033 LH Female to 1\/4\u2033 SAE Male | Refrigerant Boys\",\"isPartOf\":{\"@id\":\"https:\/\/www.refrigerantboys.com\/en\/#website\"},\"datePublished\":\"2017-10-28T22:47:03+00:00\",\"dateModified\":\"2026-09-17T14:45:04+00:00\",\"description\":\"Safety reduction fitting with left-hand thread (SX \/ Left Hand), specifically designed for 40-liter cylinders containing flammable and mildly flammable refrigerant gases (safety classes A2L and A3). It allows for a direct and safe connection between the cylinder valve (e.g., R32, R1234yf, R290, R600a, R454B) and charging hoses, piping, or pressure gauge assemblies equipped with a 1\/4\\\" SAE universal fitting. Made of high-strength forged brass, it guarantees the complete absence of gas leaks during transfer, charging, and recovery operations. Strengths Safety Standard: Special left-hand thread designed to prevent accidental connection to cylinder valves intended for non-flammable gases (A1). Universal 1\/4\\\" SAE Compatibility: Allows for immediate use with most HVAC\/R equipment, scales, recovery stations, and standard pressure gauge assemblies. Maximum Sealing &amp; Reliability: Precision CNC machining ensures safe operation even at the high operating pressures of modern refrigerants. Safety Note: Left-hand threaded (SX) connector, intended exclusively for use with cylinders and valves that comply with Class A2L \/ A2 \/ A3 gas standards. Do not force it onto standard right-hand threaded (DX) valves.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.refrigerantboys.com\/en\/buy\/equipement\/gas-cylinder-adapter-for-r32-r1234yf-r290-r600a-left-thread-w-21-7-x-1-14%e2%80%b3-lh-female-to-1-4%e2%80%b3-sae-male\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.refrigerantboys.com\/en\/buy\/equipement\/gas-cylinder-adapter-for-r32-r1234yf-r290-r600a-left-thread-w-21-7-x-1-14%e2%80%b3-lh-female-to-1-4%e2%80%b3-sae-male\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.refrigerantboys.com\/en\/buy\/equipement\/gas-cylinder-adapter-for-r32-r1234yf-r290-r600a-left-thread-w-21-7-x-1-14%e2%80%b3-lh-female-to-1-4%e2%80%b3-sae-male\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.refrigerantboys.com\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\/\/www.refrigerantboys.com\/en\/store\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Gas Cylinder Adapter for R32, R1234yf, R290, R600a | Left Thread W 21.7 x 1\/14\u2033 LH Female to 1\/4\u2033 SAE Male\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.refrigerantboys.com\/en\/#website\",\"url\":\"https:\/\/www.refrigerantboys.com\/en\/\",\"name\":\"Refrigerant Boys\",\"description\":\"Vendita gas refrigeranti\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.refrigerantboys.com\/en\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Gas Cylinder Adapter for R32, R1234yf, R290, R600a | Left Thread W 21.7 x 1\/14\u2033 LH Female to 1\/4\u2033 SAE Male | Refrigerant Boys","description":"Safety reduction fitting with left-hand thread (SX \/ Left Hand), specifically designed for 40-liter cylinders containing flammable and mildly flammable refrigerant gases (safety classes A2L and A3). It allows for a direct and safe connection between the cylinder valve (e.g., R32, R1234yf, R290, R600a, R454B) and charging hoses, piping, or pressure gauge assemblies equipped with a 1\/4\" SAE universal fitting. Made of high-strength forged brass, it guarantees the complete absence of gas leaks during transfer, charging, and recovery operations. Strengths     Safety Standard: Special left-hand thread designed to prevent accidental connection to cylinder valves intended for non-flammable gases (A1).    Universal 1\/4\" SAE Compatibility: Allows for immediate use with most HVAC\/R equipment, scales, recovery stations, and standard pressure gauge assemblies.    Maximum Sealing &amp; Reliability: Precision CNC machining ensures safe operation even at the high operating pressures of modern refrigerants.    Safety Note: Left-hand threaded (SX) connector, intended exclusively for use with cylinders and valves that comply with Class A2L \/ A2 \/ A3 gas standards. Do not force it onto standard right-hand threaded (DX) valves.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.refrigerantboys.com\/en\/buy\/equipement\/gas-cylinder-adapter-for-r32-r1234yf-r290-r600a-left-thread-w-21-7-x-1-14%e2%80%b3-lh-female-to-1-4%e2%80%b3-sae-male\/","og_locale":"en_US","og_type":"article","og_title":"Gas Cylinder Adapter for R32, R1234yf, R290, R600a | Left Thread W 21.7 x 1\/14\u2033 LH Female to 1\/4\u2033 SAE Male | Refrigerant Boys","og_description":"Safety reduction fitting with left-hand thread (SX \/ Left Hand), specifically designed for 40-liter cylinders containing flammable and mildly flammable refrigerant gases (safety classes A2L and A3). It allows for a direct and safe connection between the cylinder valve (e.g., R32, R1234yf, R290, R600a, R454B) and charging hoses, piping, or pressure gauge assemblies equipped with a 1\/4\" SAE universal fitting. Made of high-strength forged brass, it guarantees the complete absence of gas leaks during transfer, charging, and recovery operations. Strengths     Safety Standard: Special left-hand thread designed to prevent accidental connection to cylinder valves intended for non-flammable gases (A1).    Universal 1\/4\" SAE Compatibility: Allows for immediate use with most HVAC\/R equipment, scales, recovery stations, and standard pressure gauge assemblies.    Maximum Sealing &amp; Reliability: Precision CNC machining ensures safe operation even at the high operating pressures of modern refrigerants.    Safety Note: Left-hand threaded (SX) connector, intended exclusively for use with cylinders and valves that comply with Class A2L \/ A2 \/ A3 gas standards. Do not force it onto standard right-hand threaded (DX) valves.","og_url":"https:\/\/www.refrigerantboys.com\/en\/buy\/equipement\/gas-cylinder-adapter-for-r32-r1234yf-r290-r600a-left-thread-w-21-7-x-1-14%e2%80%b3-lh-female-to-1-4%e2%80%b3-sae-male\/","og_site_name":"Refrigerant Boys","article_modified_time":"2026-09-17T14:45:04+00:00","og_image":[{"width":1024,"height":904,"url":"https:\/\/www.refrigerantboys.com\/wp-content\/uploads\/2017\/10\/unnamed.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.refrigerantboys.com\/en\/buy\/equipement\/gas-cylinder-adapter-for-r32-r1234yf-r290-r600a-left-thread-w-21-7-x-1-14%e2%80%b3-lh-female-to-1-4%e2%80%b3-sae-male\/","url":"https:\/\/www.refrigerantboys.com\/en\/buy\/equipement\/gas-cylinder-adapter-for-r32-r1234yf-r290-r600a-left-thread-w-21-7-x-1-14%e2%80%b3-lh-female-to-1-4%e2%80%b3-sae-male\/","name":"Gas Cylinder Adapter for R32, R1234yf, R290, R600a | Left Thread W 21.7 x 1\/14\u2033 LH Female to 1\/4\u2033 SAE Male | Refrigerant Boys","isPartOf":{"@id":"https:\/\/www.refrigerantboys.com\/en\/#website"},"datePublished":"2017-10-28T22:47:03+00:00","dateModified":"2026-09-17T14:45:04+00:00","description":"Safety reduction fitting with left-hand thread (SX \/ Left Hand), specifically designed for 40-liter cylinders containing flammable and mildly flammable refrigerant gases (safety classes A2L and A3). It allows for a direct and safe connection between the cylinder valve (e.g., R32, R1234yf, R290, R600a, R454B) and charging hoses, piping, or pressure gauge assemblies equipped with a 1\/4\" SAE universal fitting. Made of high-strength forged brass, it guarantees the complete absence of gas leaks during transfer, charging, and recovery operations. Strengths Safety Standard: Special left-hand thread designed to prevent accidental connection to cylinder valves intended for non-flammable gases (A1). Universal 1\/4\" SAE Compatibility: Allows for immediate use with most HVAC\/R equipment, scales, recovery stations, and standard pressure gauge assemblies. Maximum Sealing &amp; Reliability: Precision CNC machining ensures safe operation even at the high operating pressures of modern refrigerants. Safety Note: Left-hand threaded (SX) connector, intended exclusively for use with cylinders and valves that comply with Class A2L \/ A2 \/ A3 gas standards. 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