{"id":11995,"date":"2026-07-01T14:33:29","date_gmt":"2026-07-01T11:33:29","guid":{"rendered":"https:\/\/altal.md\/?post_type=product&#038;p=11995"},"modified":"2026-07-02T14:06:50","modified_gmt":"2026-07-02T11:06:50","slug":"sae-nut-for-refrigeration-pipe-1-2","status":"publish","type":"product","link":"https:\/\/altal.md\/en\/piulita-sae-pentru-teava-frigorifica-1-2\/","title":{"rendered":"SAE flare nut for refrigerant pipe 1\/2\", thread 3\/4-16 UNF"},"content":{"rendered":"<h2>SAE nut for 1\/2\u2033 refrigerant pipe, 3\/4-16 UNF thread<\/h2>\n<p>SAE nut for 1\/2\u2033 refrigerant pipe is a connecting element intended for air conditioning, refrigeration and heat pump installations. Made of high-quality brass, it ensures a secure and leak-proof mechanical connection between copper pipes and flare fittings, being used both in the installation of new installations and in maintenance or expansion works.<\/p>\n<p>SAE nut for 1\/2\u2033 refrigerant pipe is compatible with pipes <strong>1\/2\u2033 (12,7 mm)<\/strong> and uses standard flare thread <strong>3\/4\u2033-16 UNF<\/strong>, according to the standards used in HVAC and refrigeration installations. The product is recommended for making seamless connections, the assembly being carried out quickly by tightening with a suitable wrench.<\/p>\n<p>The forged brass body offers high resistance to corrosion, vibration and temperature variations, ensuring a long service life. Thanks to the high-precision manufacturing process, the nut helps reduce the risk of refrigerant loss and maintain the tightness of the installation.<\/p>\n<p>SAE 1\/2\u2033 Refrigerant Pipe Nut is used in split and multisplit air conditioning installations, heat pumps, commercial refrigeration equipment and HVAC systems. It is compatible with most modern refrigerants, including <strong>R32, R134a, R404A, R407C, R410A, R507A, R1234yf<\/strong> and other agents <a href=\"https:\/\/en.wikipedia.org\/wiki\/Hydrofluorocarbon\" target=\"_blank\" rel=\"noopener\">HFC<\/a> and <a href=\"https:\/\/en.wikipedia.org\/wiki\/Hydrofluoroolefin\" target=\"_blank\" rel=\"noopener\">HFO<\/a>Not recommended for installations using ammonia-based refrigerants.<\/p>\n<p>Before installation, it is recommended to check the thread size and correctly flare the pipe to achieve optimal sealing.<\/p>\n<h3>SAE nut for 1\/2\u2033 refrigerant pipe. Main advantages<\/h3>\n<ul>\n<li>Made of high quality brass;<\/li>\n<li>Compatible with flare pipes <strong>1\/2\u2033 (12,7 mm)<\/strong>;<\/li>\n<li>Filet standard <strong>3\/4\u2033-16 UNF<\/strong>;<\/li>\n<li>Quick assembly, without welding;<\/li>\n<li>High resistance to corrosion and pressure;<\/li>\n<li>Maximum recommended pressure: <strong>140 bar<\/strong>;<\/li>\n<li>Compatible with most modern refrigerants;<\/li>\n<li>Suitable for HVAC and refrigeration installations.<\/li>\n<\/ul>\n<h3>FAQ<\/h3>\n<p><strong>What pipes is this nut intended for?<\/strong><br \/>\nIt is designed for copper pipes with an outer diameter of <strong>1\/2\u2033 (12,7 mm)<\/strong> provided with flare connection.<\/p>\n<p><strong>What type of thread does it use?<\/strong><br \/>\nThe product is equipped with a standard thread <strong>3\/4\u2033-16 UNF<\/strong>, widely used in refrigeration and air conditioning systems.<\/p>\n<p><strong>Is welding required for assembly?<\/strong><br \/>\nNo. The nut is used in conjunction with a flare pipe, and tightening is done mechanically with a wrench.<\/p>\n<p><strong>What refrigerants is it compatible with?<\/strong><br \/>\nSAE 1\/2\u2033 refrigerant pipe nut is compatible with most refrigerants currently in use, including <strong>R32, R134a, R404A, R407C, R410A, R507A and R1234yf<\/strong>, but is not recommended for ammonia installations.<\/p>\n<h3>Similar products<\/h3>\n<ul>\n<li><a href=\"https:\/\/altal.md\/en\/dryer-filter-zrk164\/\" target=\"_blank\" rel=\"noopener\">Reversible filter drier ZRK164 SAE 1\/2\u2033<\/a><\/li>\n<li><a href=\"https:\/\/altal.md\/en\/filter-drier-kle-084-sae\/\" target=\"_blank\" rel=\"noopener\">Filter drier KLE-084 SAE 1\/2\u2033<\/a><\/li>\n<li><a href=\"https:\/\/altal.md\/en\/reversible-filter-drier-bfk-084-sae\/\" target=\"_blank\" rel=\"noopener\">Reversible filter drier BFK-084 SAE 1\/2\u2033<\/a><\/li>\n<\/ul>\n<h3>Compatible component<\/h3>\n<ul>\n<li><a href=\"https:\/\/altal.md\/en\/thermostatic-expansion-valve-castel-2210-4e\/\" target=\"_blank\" rel=\"noopener\">Thermostatic expansion valve Castel 2210\/4E<\/a><\/li>\n<li><a href=\"https:\/\/altal.md\/en\/service-valve-for-split-systems-1-2\/\" target=\"_blank\" rel=\"noopener\">Service valve for split systems 1\/2\u2033<\/a><\/li>\n<li><a href=\"https:\/\/altal.md\/en\/refrigerant-sight-glass-moisture-indicator-lfsg-1-2-mf\/\" target=\"_blank\" rel=\"noopener\">Freon sight glass with humidity indicator LFSG 1\/2\u2033 MF<\/a><\/li>\n<\/ul>\n<h3>Relevant categories<\/h3>\n<ul>\n<li><a href=\"https:\/\/altal.md\/en\/air-to-water-heat-pump-16kw-evi-split-dc\/\" target=\"_blank\" rel=\"noopener\">Air-to-water heat pump 16 kW EVI SPLIT DC<\/a><\/li>\n<li><a href=\"https:\/\/altal.md\/en\/air-to-water-heat-pump-19kw-split-dc-evi\/\" target=\"_blank\" rel=\"noopener\">Air-to-water heat pump 19 kW SPLIT DC EVI<\/a><\/li>\n<li><a href=\"https:\/\/altal.md\/en\/air-to-water-heat-pump-25kw-split-dc\/\" target=\"_blank\" rel=\"noopener\">Air-to-water heat pump 25 kW SPLIT DC<\/a><\/li>\n<li><a href=\"https:\/\/altal.md\/en\/air-to-water-heat-pump-30kw-evi-split-dc\/\" target=\"_blank\" rel=\"noopener\">Air-to-water heat pump 30 kW EVI SPLIT DC<\/a><\/li>\n<li><a href=\"https:\/\/altal.md\/en\/air-to-water-heat-pump-16kw-evi-split-dc\/\" target=\"_blank\" rel=\"noopener\">Air-to-water heat pump 16 kW EVI SPLIT DC<\/a><\/li>\n<li><a href=\"https:\/\/altal.md\/en\/air-to-water-heat-pump-19kw-split-dc-evi\/\" target=\"_blank\" rel=\"noopener\">Air-to-water heat pump 19 kW SPLIT DC EVI<\/a><\/li>\n<li><a href=\"https:\/\/altal.md\/en\/air-to-water-heat-pump-25kw-split-dc\/\" target=\"_blank\" rel=\"noopener\">Air-to-water heat pump 25 kW SPLIT DC<\/a><\/li>\n<li><a href=\"https:\/\/altal.md\/en\/air-to-water-heat-pump-30kw-evi-split-dc\/\" target=\"_blank\" rel=\"noopener\">Air-to-water heat pump 30 kW EVI SPLIT DC<\/a><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<hr \/>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<ul>\n<li style=\"list-style-type: none\">\n<ul>\n<li>Product type: <span style=\"color: #000000\"><strong>SAE nut for refrigerant pipe<\/strong><\/span><\/li>\n<li>Material: brass<\/li>\n<li>Pipe size: <strong>1\/2\u2033 (12,7 mm)<\/strong><\/li>\n<li>Filet: <strong>3\/4\u2033-16 UNF<\/strong><\/li>\n<li>Inner diameter: 12.7 mm<\/li>\n<li>Length: 17 mm<\/li>\n<li>Hexagon width: 17.2 mm<\/li>\n<li>Maximum recommended pressure: <strong>140 bar<\/strong><\/li>\n<li>Field of use: <strong>HVAC and refrigeration installations<\/strong><\/li>\n<li>Color: natural brass<\/li>\n<li>Amount: <strong>1 piece<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<p>\u00a0<\/p>","protected":false},"featured_media":12009,"comment_status":"open","ping_status":"closed","template":"","meta":{"_kad_post_transparent":"default","_kad_post_title":"","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"product_brand":[198],"product_cat":[280],"product_tag":[1169,1165,1168],"class_list":["post-11995","product","type-product","status-publish","has-post-thumbnail","product_brand-altal","product_cat-piese-pentru-pompe-de-caldura","product_tag-f3-4","product_tag-g1-2","product_tag-piulita-ac","product_shipping_class-greutate-mica","first","instock","featured","taxable","shipping-taxable","purchasable","product-type-simple","entry","content-bg","loop-entry"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product\/11995","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=11995"}],"version-history":[{"count":6,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product\/11995\/revisions"}],"predecessor-version":[{"id":12068,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product\/11995\/revisions\/12068"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/12009"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=11995"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product_brand?post=11995"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product_cat?post=11995"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product_tag?post=11995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}