{"id":4269,"date":"2026-06-15T16:23:23","date_gmt":"2026-06-15T08:23:23","guid":{"rendered":"https:\/\/ballvalves.tw\/?post_type=product&#038;p=4269"},"modified":"2026-07-16T22:19:38","modified_gmt":"2026-07-16T14:19:38","slug":"%e3%82%b9%e3%83%86%e3%83%b3%e3%83%ac%e3%82%b9%e9%8b%bc%e8%a3%bd%e3%83%91%e3%82%a4%e3%83%97%e7%b6%99%e6%89%8b","status":"publish","type":"product","link":"https:\/\/ballvalves.tw\/ja\/product\/stainless-steel-pipe-coupling\/","title":{"rendered":"\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30d1\u30a4\u30d7\u7d99\u624b \u2014 SS304\u30013\/4\u30a4\u30f3\u30c1\uff08PT\/BSPT\uff09"},"content":{"rendered":"<h2>\u88fd\u54c1\u8aac\u660e<\/h2>\n<p>A straight female-threaded coupling in SS304 stainless steel for joining two 3\/4\u2033 pipes end to end. Both ends carry 3\/4\u2033 PT \/ BSPT taper threads, so the joint pulls up tight without extra sealing parts beyond the usual thread sealant.<\/p>\n<p>Two body lengths are stocked \u2014 <b>3\/4\u2033\u00d720L<\/b> (short) and <b>3\/4\u2033\u00d730L<\/b> (extended reach) \u2014 so you can pick the body that suits the run. Building a threaded line? See the whole <a href=\"https:\/\/ballvalves.tw\/ja\/%e5%95%86%e5%93%81%e3%82%ab%e3%83%86%e3%82%b4%e3%83%aa%e3%83%bc\/%e9%85%8d%e7%ae%a1%e7%b6%99%e6%89%8b\/\">\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u306e\u914d\u7ba1\u7d99\u624b<\/a> \u7bc4\u56f2\u3002.<\/p>\n<h2>\u4ed5\u69d8<\/h2>\n<table style=\"border-collapse:collapse;width:100%;margin:12px 0\">\n<tbody>\n<tr>\n<td style=\"border:1px solid #dddddd;padding:8px\"><b>\u54c1\u76ee<\/b><\/td>\n<td style=\"border:1px solid #dddddd;padding:8px\"><b>\u8a73\u7d30<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #dddddd;padding:8px\">\u7d20\u6750<\/td>\n<td style=\"border:1px solid #dddddd;padding:8px\">SS304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #dddddd;padding:8px\">\u7a2e\u985e<\/td>\n<td style=\"border:1px solid #dddddd;padding:8px\">Straight pipe coupling, female both ends<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #dddddd;padding:8px\">\u30b9\u30ec\u30c3\u30c9<\/td>\n<td style=\"border:1px solid #dddddd;padding:8px\">3\/4\u2033 PT \/ BSPT taper thread, both ends<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #dddddd;padding:8px\">Lengths<\/td>\n<td style=\"border:1px solid #dddddd;padding:8px\">3\/4\u2033\u00d720L (short) and 3\/4\u2033\u00d730L (extended reach)<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #dddddd;padding:8px\">Use<\/td>\n<td style=\"border:1px solid #dddddd;padding:8px\">Connect two threaded pipes, extend a run, or join threaded components in line<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5f53\u793e\u306eISO 9001\u54c1\u8cea\u30de\u30cd\u30b8\u30e1\u30f3\u30c8\u30b7\u30b9\u30c6\u30e0\u306b\u57fa\u3065\u304d\u88fd\u9020\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<p><b>What size is this coupling?<\/b> 3\/4\u2033 female threads on both ends, in two body lengths \u2014 20L for tight spots and 30L for extended reach.<\/p>\n<p><b>Is it only available in SS304?<\/b> This coupling is stocked in SS304 stainless steel. If your job calls for a different grade or size, tell us with the inquiry and we will confirm what we can supply.<\/p>\n<p><b>20L or 30L \u2014 which should I pick?<\/b> They join pipes the same way; the 30L body simply gives you more thread engagement and reach. If the run is tight, use 20L; if you need to bridge a longer gap, use 30L.<\/p>\n<p><b>\u3069\u306e\u3088\u3046\u306a\u306d\u3058\u898f\u683c\u304c\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u304b\uff1f<\/b> PT \/ BSPT taper threads. Tell us your pipe thread standard when you request a quote and we will confirm the fit.<\/p>\n<p><b>What is the difference between a coupling and a union?<\/b> A coupling is a one-piece sleeve \u2014 to remove it you unscrew the pipe. A <a href=\"https:\/\/ballvalves.tw\/ja\/%e8%a3%bd%e5%93%81\/%e3%82%b9%e3%83%86%e3%83%b3%e3%83%ac%e3%82%b9%e8%a3%bd%e3%83%a6%e3%83%8b%e3%82%aa%e3%83%b3\/\">union<\/a> splits into parts so the line can be opened without turning the pipe. Use couplings for permanent runs and unions where you expect to service the line.<\/p>\n<p><b>\u6700\u4f4e\u6ce8\u6587\u6570\u306f\u3044\u304f\u3089\u3067\u3059\u304b\uff1f<\/b> \u6700\u4f4e\u6ce8\u6587\u6570\u91cf\u306e\u5236\u9650\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5c11\u91cf\u306e\u8a66\u7528\u6ce8\u6587\u3092\u542b\u3081\u3001\u3069\u306e\u3088\u3046\u306a\u6570\u91cf\u306e\u6ce8\u6587\u3067\u3082\u627f\u308a\u307e\u3059\u3002\u5c11\u91cf\u306e\u6ce8\u6587\u306e\u5834\u5408\u3001\u9001\u6599\u306e\u624b\u914d\u304a\u3088\u3073\u652f\u6255\u3044\u306f\u8cfc\u5165\u8005\u5074\u3067\u884c\u3063\u3066\u3044\u305f\u3060\u304d\u307e\u3059\u3002\u304a\u652f\u6255\u3044\u306fT\/T\uff08\u96fb\u4fe1\u9001\u91d1\uff09\u306b\u3066\u3001\u6ce8\u6587\u78ba\u8a8d\u6642\u306b30%\u3001\u51fa\u8377\u524d\u306b70%\u3092\u304a\u652f\u6255\u3044\u304f\u3060\u3055\u3044\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>SS304 stainless steel threaded coupling with 3\/4\u2033 female PT (BSPT) threads on both ends, for joining or extending two threaded pipes in a straight run. Available in two lengths: 3\/4\u2033\u00d720L and 3\/4\u2033\u00d730L.<\/p>\n<p><a href=\"https:\/\/ballvalves.tw\/ja\/%e3%82%b3%e3%83%b3%e3%82%bf%e3%82%af%e3%83%88\/\" style=\"display:inline-block;background:#c62828;color:#ffffff !important;font-size:16px;font-weight:700;padding:14px 26px;border-radius:6px;text-decoration:none\">\u304a\u898b\u7a4d\u308a\u4f9d\u983c \u2014 24\u6642\u9593\u4ee5\u5185\u306b\u8fd4\u4fe1\u3044\u305f\u3057\u307e\u3059 \u2192<\/a><\/p>\n<p style=\"font-size:14px;color:#666666\">ISO 9001\u30fbCE\u30fb1999\u5e74\u3088\u308a\u88fd\u9020<\/p>","protected":false},"featured_media":4270,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[78],"product_cat":[72],"product_tag":[],"class_list":["post-4269","product","type-product","status-publish","has-post-thumbnail","product_brand-yzng-trong","product_cat-pipe-fittings","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","taxable","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/ballvalves.tw\/ja\/wp-json\/wp\/v2\/product\/4269","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ballvalves.tw\/ja\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ballvalves.tw\/ja\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ballvalves.tw\/ja\/wp-json\/wp\/v2\/media\/4270"}],"wp:attachment":[{"href":"https:\/\/ballvalves.tw\/ja\/wp-json\/wp\/v2\/media?parent=4269"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ballvalves.tw\/ja\/wp-json\/wp\/v2\/product_brand?post=4269"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ballvalves.tw\/ja\/wp-json\/wp\/v2\/product_cat?post=4269"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ballvalves.tw\/ja\/wp-json\/wp\/v2\/product_tag?post=4269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}