{"id":2856,"date":"2017-10-28T22:47:34","date_gmt":"2017-10-28T22:47:34","guid":{"rendered":"https:\/\/www.refrigerantboys.com\/uncategorized\/ri516sx\/"},"modified":"2026-09-17T16:41:22","modified_gmt":"2026-09-17T14:41:22","slug":"gas-cylinder-adapter-for-r32-r1234yf-r290-r600a-left-thread-w-21-7-x-1-14%e2%80%b3-lh-female-to-5-16%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-5-16%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 5\/16\u2033 SAE Male"},"content":{"rendered":"

Technical Characteristics<\/b><\/p>\n

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Parameter<\/strong><\/td>\nSpecification<\/strong><\/td>\n<\/tr>\n<\/thead>\n
Cylinder Connection (Inlet)<\/b><\/span><\/td>\nW 21.7 x 1\/14″ Left-Handed (LH)<\/b> – Female<\/span><\/td>\n<\/tr>\n
Inlet\/Outlet Connection<\/b><\/span><\/td>\n5\/16″ SAE Male (1\/2″-20 UNF)<\/span><\/td>\n<\/tr>\n
Cylinder Compatibility<\/b><\/span><\/td>\n40L cylinders for flammable refrigerant gases \/ A2L \/ A3<\/span><\/td>\n<\/tr>\n
Main Compatible Gases<\/b><\/span><\/td>\nR32, R1234yf, R454B, R452B, R290 (Propane), R600a (Isobutane)<\/span><\/td>\n<\/tr>\n
Material<\/b><\/span><\/td>\nHigh-quality solid brass<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
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<\/div>\n<\/div>\n<\/div>\n<\/div>\n
<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/form>\n<\/div>\n<\/div>\n
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<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Special reduction fitting with left-hand thread (SX \/ Left Hand)<\/b>, compliant with safety standards for flammable and mildly flammable gases (classes A2L<\/b> and A3<\/b>). Designed to directly connect 40-liter industrial cylinders (e.g., R32, R1234yf, R290, R600a) to charging lines and pressure gauge assemblies with a 5\/16″ SAE (1\/2″-20 UNF)<\/b> connection. Entirely made of high-strength forged brass, it ensures maximum leak-tightness and safety during refrigerant transfer.<\/p>\n

Strengths<\/b><\/p>\n

    \n
  • \n

    Safety Compliance:<\/b> Dedicated left-hand thread to prevent accidental connections to systems or cylinders that are not compatible with flammable gases.<\/p>\n<\/li>\n

  • \n

    5\/16″ Direct Connection:<\/b> Ideal for direct connection to refill hoses for R32\/A2L systems.<\/p>\n<\/li>\n

  • \n

    High Mechanical Strength:<\/b> CNC-machined brass body designed to withstand frequent tightening cycles and high operating pressures.<\/p>\n<\/li>\n<\/ul>\n

    \n

    Safety Note:<\/b> Left-hand threaded (SX)<\/b> fitting intended exclusively for refrigerant cylinders classified as flammability classes A2L, A2, or A3. Not for use on standard right-hand threaded (DX \/ Class A1) cylinders.<\/p>\n<\/blockquote>\n","protected":false},"featured_media":94991,"template":"","meta":[],"product_cat":[145],"product_tag":[],"acf":{"ai_note":""},"yoast_head":"\nGas Cylinder Adapter for R32, R1234yf, R290, R600a | Left Thread W 21.7 x 1\/14\u2033 LH Female to 5\/16\u2033 SAE Male | Refrigerant Boys<\/title>\n<meta name=\"description\" content=\"Special reduction fitting with left-hand thread (SX \/ Left Hand), compliant with safety standards for flammable and mildly flammable gases (classes A2L and A3). Designed to directly connect 40-liter industrial cylinders (e.g., R32, R1234yf, R290, R600a) to charging lines and pressure gauge assemblies with a 5\/16" SAE (1\/2"-20 UNF) connection. Entirely made of high-strength forged brass, it ensures maximum leak-tightness and safety during refrigerant transfer. Strengths Safety Compliance: Dedicated left-hand thread to prevent accidental connections to systems or cylinders that are not compatible with flammable gases. 5\/16" Direct Connection: Ideal for direct connection to refill hoses for R32\/A2L systems. High Mechanical Strength: CNC-machined brass body designed to withstand frequent tightening cycles and high operating pressures. Safety Note: Left-hand threaded (SX) fitting intended exclusively for refrigerant cylinders classified as flammability classes A2L, A2, or A3. Not for use on standard right-hand threaded (DX \/ Class A1) cylinders.\" \/>\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-5-16%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 5\/16\u2033 SAE Male | Refrigerant Boys\" \/>\n<meta property=\"og:description\" content=\"Special reduction fitting with left-hand thread (SX \/ Left Hand), compliant with safety standards for flammable and mildly flammable gases (classes A2L and A3). Designed to directly connect 40-liter industrial cylinders (e.g., R32, R1234yf, R290, R600a) to charging lines and pressure gauge assemblies with a 5\/16" SAE (1\/2"-20 UNF) connection. Entirely made of high-strength forged brass, it ensures maximum leak-tightness and safety during refrigerant transfer. Strengths Safety Compliance: Dedicated left-hand thread to prevent accidental connections to systems or cylinders that are not compatible with flammable gases. 5\/16" Direct Connection: Ideal for direct connection to refill hoses for R32\/A2L systems. High Mechanical Strength: CNC-machined brass body designed to withstand frequent tightening cycles and high operating pressures. Safety Note: Left-hand threaded (SX) fitting intended exclusively for refrigerant cylinders classified as flammability classes A2L, A2, or A3. Not for use on standard right-hand threaded (DX \/ Class A1) cylinders.\" \/>\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-5-16%e2%80%b3-sae-male\/\" \/>\n<meta property=\"og:site_name\" content=\"Refrigerant Boys\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-17T14:41:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.refrigerantboys.com\/wp-content\/uploads\/2017\/10\/Gemini_Generated_Image_c9mntzc9mntzc9mn.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1088\" \/>\n\t<meta property=\"og:image:height\" content=\"960\" \/>\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=\"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-5-16%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-5-16%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 5\/16\u2033 SAE Male | Refrigerant Boys\",\"isPartOf\":{\"@id\":\"https:\/\/www.refrigerantboys.com\/en\/#website\"},\"datePublished\":\"2017-10-28T22:47:34+00:00\",\"dateModified\":\"2026-09-17T14:41:22+00:00\",\"description\":\"Special reduction fitting with left-hand thread (SX \/ Left Hand), compliant with safety standards for flammable and mildly flammable gases (classes A2L and A3). 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