{"id":2634,"date":"2026-03-22T04:06:35","date_gmt":"2026-03-22T04:06:35","guid":{"rendered":"https:\/\/tqwater.co.za\/?post_type=product&#038;p=2634"},"modified":"2026-03-22T04:20:03","modified_gmt":"2026-03-22T04:20:03","slug":"44040-interconnector-coupling","status":"publish","type":"product","link":"https:\/\/tqwater.co.za\/?product=44040-interconnector-coupling","title":{"rendered":"4&#8243;4040 Interconnector Coupling"},"content":{"rendered":"<p data-path-to-node=\"5\">4040 Interconnector is a high-strength plastic coupling designed to link 4-inch Reverse Osmosis membranes in series. This &#8220;Product Water Bridge&#8221; ensures that the permeate (pure water) from one membrane flows seamlessly into the next without being contaminated by the high-pressure brine (waste water) surrounding it.<\/p>\n<p data-path-to-node=\"6\"><b data-path-to-node=\"6\" data-index-in-node=\"0\">Uses &amp; Applications:<\/b><\/p>\n<ul data-path-to-node=\"7\">\n<li>\n<p data-path-to-node=\"7,0,0\"><b data-path-to-node=\"7,0,0\" data-index-in-node=\"0\">Standard 4&#8243; Housings:<\/b> Fits all stainless steel and FRP 4040 pressure vessels.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"7,1,0\"><b data-path-to-node=\"7,1,0\" data-index-in-node=\"0\">Multi-Membrane Arrays:<\/b> Required for systems with 2 or more membranes per housing.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"7,2,0\"><b data-path-to-node=\"7,2,0\" data-index-in-node=\"0\">Standard Compatibility:<\/b> Works with Toray, DuPont\/FilmTec, and Vontron 4040 membranes.<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"8\"><b data-path-to-node=\"8\" data-index-in-node=\"0\">Benefits:<\/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\">Rigid Construction:<\/b> Made from food-grade ABS to resist cracking under pressure surges.<\/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\">Dual-Ring Groove:<\/b> Features precision-machined grooves for <b data-path-to-node=\"9,1,0\" data-index-in-node=\"58\"><span class=\"math-inline\" data-math=\"3.5\" data-index-in-node=\"58\">$3.5$<\/span> mm<\/b> O-rings (AS568-210).<\/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\">High Chemical Resistance:<\/b> Built to withstand aggressive acid\/alkaline cleaning cycles (CIP).<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"10\"><b data-path-to-node=\"10\" data-index-in-node=\"0\">Technical Specs:<\/b><\/p>\n<ul data-path-to-node=\"11\">\n<li>\n<p data-path-to-node=\"11,0,0\"><b data-path-to-node=\"11,0,0\" data-index-in-node=\"0\">Outer Diameter:<\/b> ~19.0 mm (Permeate tube fit)<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"11,1,0\"><b data-path-to-node=\"11,1,0\" data-index-in-node=\"0\">Length:<\/b> ~100\u2013120 mm (Standard Industrial)<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"11,2,0\"><b data-path-to-node=\"11,2,0\" data-index-in-node=\"0\">Seal Type:<\/b> Double Radial O-Ring (Requires 4x <span class=\"math-inline\" data-math=\"3.5\" data-index-in-node=\"45\">$3.5$<\/span> mm rings)<\/p>\n<\/li>\n<\/ul>\n<h4 data-path-to-node=\"13\"><\/h4>\n","protected":false},"excerpt":{"rendered":"<p>4040 Interconnector is a high-strength plastic coupling designed to link 4-inch Reverse Osmosis membranes in series. This &#8220;Product Water Bridge&#8221; ensures that the permeate (pure water) from one membrane flows seamlessly into the next without being contaminated by the high-pressure brine (waste water) surrounding it. Uses &amp; Applications: Standard 4&#8243; Housings: Fits all stainless steel [&hellip;]<\/p>\n","protected":false},"featured_media":2636,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[436],"product_tag":[],"class_list":["post-2634","product","type-product","status-publish","has-post-thumbnail","product_cat-industrial-large-scale-reverse-osmosis-membranes-800012000gpd","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/tqwater.co.za\/index.php?rest_route=\/wp\/v2\/product\/2634","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tqwater.co.za\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/tqwater.co.za\/index.php?rest_route=\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/tqwater.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2634"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tqwater.co.za\/index.php?rest_route=\/wp\/v2\/media\/2636"}],"wp:attachment":[{"href":"https:\/\/tqwater.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2634"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/tqwater.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=2634"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/tqwater.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=2634"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/tqwater.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=2634"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}