{"id":11979,"date":"2026-07-01T22:20:59","date_gmt":"2026-07-01T19:20:59","guid":{"rendered":"https:\/\/altal.md\/?post_type=product&#038;p=11979"},"modified":"2026-07-02T14:07:03","modified_gmt":"2026-07-02T11:07:03","slug":"sae-nut-for-refrigeration-pipe-3-8","status":"publish","type":"product","link":"https:\/\/altal.md\/en\/piulita-sae-pentru-teava-frigorifica-3-8\/","title":{"rendered":"SAE flare nut for refrigerant pipe 3\/8\", thread 5\/8-18 UNF"},"content":{"rendered":"<h2><span style=\"color: #333300;\"><strong><span style=\"color: #000080;\">SAE flare nut for refrigerant pipe 3\/8\", thread 5\/8-18 UNF<\/span> <\/strong><\/span><\/h2>\n<p><span style=\"color: #000000;\">SAE nut for 3\/8\u2033 refrigerant pipe is an accessory used to make threaded connections in air conditioning, refrigeration and other refrigeration systems. Made of high-quality brass, it ensures a leak-proof, corrosion-resistant connection and is suitable for long-term use.<\/span><\/p>\n<p><span style=\"color: #000000;\">This <strong>SAE nut for 3\/8\u2033 refrigerant pipe<\/strong>\u00a0is intended for pipes with flare connection <strong>3\/8\u2033<\/strong>, having thread <strong>5\/8\u2033-18 UNF<\/strong>, standard used in installations <a href=\"https:\/\/en.wikipedia.org\/wiki\/Heating,_ventilation,_and_air_conditioning\" target=\"_blank\" rel=\"noopener\">HVAC<\/a>The nut is ideal for mounting, replacing or extending connections between copper pipes and brass fittings, without the need for welding operations.<\/span><\/p>\n<p><span style=\"color: #000000;\">The solid brass construction offers excellent resistance to pressure, vibration and temperature variations. The material does not oxidize easily and maintains its mechanical properties even under difficult operating conditions. Thanks to its hexagonal shape, the SAE nut for 3\/8\u2033 refrigerant pipe can be quickly tightened with a wrench or adjustable wrench, ensuring a secure and precise fit.<\/span><\/p>\n<p><span style=\"color: #000000;\">The product is recommended for residential and commercial air conditioning systems, refrigeration systems, heat pumps, refrigeration systems and hydraulic applications compatible with flare connections. The operating temperature range is between <strong>-53\u00b0C and +100\u00b0C<\/strong>, making it suitable for most HVAC applications.<\/span><\/p>\n<p><span style=\"color: #000000;\">Before purchasing, it is important to check the thread size. The flare size represents the nominal pipe size and not the actual outside diameter of the thread.<\/span><\/p>\n<h3><span style=\"color: #000000;\">Main advantages<\/span><\/h3>\n<ul>\n<li><span style=\"color: #000000;\">Made of high quality brass;<\/span><\/li>\n<li><span style=\"color: #000000;\">Filet standard <strong>5\/8\u2033-18 UNF<\/strong>;<\/span><\/li>\n<li><span style=\"color: #000000;\">Compatible with flare fittings for pipes <strong>3\/8\u2033<\/strong>;<\/span><\/li>\n<li><span style=\"color: #000000;\">Excellent resistance to corrosion and wear;<\/span><\/li>\n<li><span style=\"color: #000000;\">No welding required for assembly;<\/span><\/li>\n<li><span style=\"color: #000000;\">Quick installation with standard wrench;<\/span><\/li>\n<li><span style=\"color: #000000;\">Suitable for HVAC and refrigeration installations;<\/span><\/li>\n<li><span style=\"color: #000000;\">Long service life.<\/span><\/li>\n<\/ul>\n<h3 class=\"PDq2pG_selectionAnchorContainer\" data-section-id=\"1xxf4ds\" data-start=\"2494\" data-end=\"2501\"><span style=\"color: #003366;\"><strong>FAQ<\/strong><\/span><\/h3>\n<p data-start=\"2503\" data-end=\"2719\"><span style=\"color: #000000;\"><strong data-start=\"2503\" data-end=\"2566\">What type of installations is this nut intended for?<\/strong><\/span><br data-start=\"2566\" data-end=\"2569\" \/><span style=\"color: #000000;\">SAE nut for 3\/8\u2033 refrigerant pipe is recommended for air conditioning installations, heat pumps, refrigeration equipment and other HVAC systems that use flare connections.<\/span><\/p>\n<p data-start=\"2721\" data-end=\"2854\"><span style=\"color: #000000;\"><strong data-start=\"2721\" data-end=\"2760\">Is welding required for assembly?<\/strong><\/span><br data-start=\"2760\" data-end=\"2763\" \/><span style=\"color: #000000;\">No. The nut is mechanically mounted on the flare fitting and tightened with an appropriate wrench.<\/span><\/p>\n<p data-start=\"2856\" data-end=\"2989\"><span style=\"color: #000000;\"><strong data-start=\"2856\" data-end=\"2886\">What size is the thread?<\/strong><\/span><br data-start=\"2886\" data-end=\"2889\" \/><span style=\"color: #000000;\">The product uses standard thread <strong data-start=\"2924\" data-end=\"2939\">5\/8\u2033-18 UNF<\/strong> and is compatible with flare pipes <strong data-start=\"2980\" data-end=\"2988\">3\/8\u2033<\/strong>.<\/span><\/p>\n<p data-start=\"2991\" data-end=\"3166\"><span style=\"color: #000000;\"><strong data-start=\"2991\" data-end=\"3026\">What material is it made of?<\/strong><\/span><br data-start=\"3026\" data-end=\"3029\" \/><span style=\"color: #000000;\">The SAE nut for 3\/8\u2033 refrigerant pipe is made of brass, a material valued for its corrosion resistance, thermal conductivity, and high durability.<\/span><\/p>\n<h3 data-section-id=\"ipvlxk\" data-start=\"3168\" data-end=\"3188\"><span style=\"color: #000000;\">Similar products<\/span><\/h3>\n<ul data-start=\"3190\" 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target=\"_blank\" rel=\"noopener\">Air-to-water heat pump 9 kW EVI SPLIT DC<\/a><\/li>\n<li data-section-id=\"113v7ei\" data-start=\"3636\" data-end=\"3673\"><a href=\"https:\/\/altal.md\/en\/air-to-water-heat-pump-12kw-evi-split-dc\/\" target=\"_blank\" rel=\"noopener\">Air-to-water heat pump 12 kW EVI SPLIT DC<\/a><\/li>\n<\/ul>\n<hr \/>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<ul>\n<li><span style=\"color: #000000\">Product type: <strong>SAE nut for refrigerant pipe<\/strong><\/span><\/li>\n<li><span style=\"color: #000000\">Material: <strong>brass<\/strong><\/span><\/li>\n<li><span style=\"color: #000000\">Pipe size: <strong>3\/8\u2033<\/strong><\/span><\/li>\n<li><span style=\"color: #000000\">Filet: <strong>5\/8\u2033-18 UNF<\/strong><\/span><\/li>\n<li><span style=\"color: #000000\">Inner diameter: approximately 10.02 mm<\/span><\/li>\n<li><span style=\"color: #000000\">Hexagon width: 22 mm<\/span><\/li>\n<li><span style=\"color: #000000\">Temperature range: -53\u00b0C\u2026+100\u00b0C<\/span><\/li>\n<li><span style=\"color: #000000\">Color: natural brass<\/span><\/li>\n<li><span style=\"color: #000000\">Amount: <strong>1 piece<\/strong><\/span><\/li>\n<\/ul>\n<hr \/>\n<p>\u00a0<\/p>","protected":false},"featured_media":12029,"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":[1166,1167,1168],"class_list":["post-11979","product","type-product","status-publish","has-post-thumbnail","product_brand-altal","product_cat-piese-pentru-pompe-de-caldura","product_tag-f5-8","product_tag-g3-8","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\/11979","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=11979"}],"version-history":[{"count":5,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product\/11979\/revisions"}],"predecessor-version":[{"id":12069,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product\/11979\/revisions\/12069"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/12029"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=11979"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product_brand?post=11979"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product_cat?post=11979"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product_tag?post=11979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}