{"product_id":"c-23","title":"C-23 - Pipe Joiner","description":"\u003c!-- Sub-type: H-E (Pipe Joiners \u0026 Couplers) --\u003e\u003c!-- Source: hardware_missing_markdown_batch_01\/c-23-pipe-joiner.md --\u003e\u003cstyle\u003e.kupo-section-title { margin: 1.25rem 0 1rem 0; font-size: 22px !important; font-weight: 700; line-height: 1.3; color: #2C3E50 !important; letter-spacing: 0; }.product-description h3 { color: #2C3E50 !important; font-size: 18px !important; font-weight: bold; margin-top: 1.5rem; margin-bottom: 0.75rem; line-height: 1.35; letter-spacing: 0; }.product-description, .product-description p, .product-description li { color: #222222 !important; }\u003c\/style\u003e\u003ch2 class=\"kupo-section-title\"\u003eProduct Description\u003c\/h2\u003e\u003cdiv class=\"product-description\" data-sku=\" C-23\" data-color=\"Black\"\u003e  \u003ch3\u003eOverview\u003c\/h3\u003e  \u003cp\u003eThe KUPO C-23 Pipe Joiner is a heavy-duty external connector for joining 48 mm tubes in fixed pipe structures. It uses eight hollow 3\/8\" set screws to lock the tube ends while allowing the installer to visually check pipe insertion position before tightening.\u003c\/p\u003e  \u003ch3\u003eWhy It Matters\u003c\/h3\u003e  \u003cp\u003eA joiner is only useful when both pipe ends are seated correctly. The hollow set screw arrangement gives installers a practical check point during assembly, helping the connection stay about alignment and insertion depth rather than guesswork hidden inside the sleeve.\u003c\/p\u003e  \u003ch3\u003eKey Features\u003c\/h3\u003e  \u003cul\u003e    \u003cli\u003eExternal steel joiner connects two 48 mm tube sections in fixed pipe structures\u003c\/li\u003e    \u003cli\u003eEight hollow 3\/8\" set screws secure the tube ends and help check insertion position\u003c\/li\u003e    \u003cli\u003eBlack powder coated finish matches low-visibility pipe-grid hardware\u003c\/li\u003e    \u003cli\u003eWLL is not rated, keeping the part positioned as a connector rather than a lifting-rated hanger\u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003eApplications\u003c\/h3\u003e  \u003cp\u003eUse it for joining 48 mm tube sections in fixed pipe grids, venue structures, and installation layouts where alignment between two pipe lengths is required.\u003c\/p\u003e  \u003ch3\u003e Compatibility\u003c\/h3\u003e  \u003cp\u003eUse only where an external 48 mm tube joiner is appropriate. Do not present C-23 as a working-load-rated lifting component, since the specification lists WLL as not rated.\u003c\/p\u003e\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{  \"@context\": \"https:\/\/schema.org\",  \"@type\": \"Product\",  \"name\": \"C-23 | Pipe Joiner\",  \"description\": \"The KUPO C-23 Pipe Joiner is a heavy-duty external connector for joining 48 mm tubes in fixed pipe structures. It uses eight hollow 3\/8\\\" set screws to lock the tube ends while allowing the installer to visually check pipe insertion position before tightening.\",  \"brand\": {    \"@type\": \"Brand\",    \"name\": \"KUPO\"  },  \"manufacturer\": {    \"@type\": \"Organization\",    \"name\": \"KUPO CO. LTD\",    \"url\": \"https:\/\/www.kupopower.com\"  },  \"category\": \"Hardware Solution \u003e Pipe Hangers \u003e Pipe Joiners\",  \"sku\": \" C-23\",  \"mpn\": \" C-23\",  \"color\": \"Black\",  \"material\": \"Steel\",  \"additionalProperty\": [    {      \"@type\": \"PropertyValue\",      \"name\": \"Product Type\",      \"value\": \"Pipe joiner\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Working Load Limit\",      \"value\": \"Not rated\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Material\",      \"value\": \"Steel\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Weight\",      \"value\": \"1.4 kg\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Finish\",      \"value\": \"Powder coated black\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Accessory Function\",      \"value\": \"External pipe connector \/ joiner\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Set Screws\",      \"value\": \"8 hollow set screws, 3\/8\\\"\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Tube Dimension\",      \"value\": \"48 mm\"    }  ]}\u003c\/script\u003e\u003cstyle\u003e.kupo-faq-seo-block { margin: 3rem 0 0 0; padding: 0; border: 0; background: transparent; box-sizing: border-box; }.kupo-faq-seo-block h2 { margin: 0 0 1.6rem 0; font-size: 22px !important; font-weight: 700; line-height: 1.4; color: #2C3E50 !important; }.kupo-faq-seo-item { border-top: 1px solid #ececec; padding: 0.8rem 0; }.kupo-faq-seo-item:first-of-type { border-top: 0; padding-top: 0; }.kupo-faq-seo-item h3 { margin: 0 0 0.35rem 0; font-size: 17px !important; font-weight: 600; line-height: 1.45; color: #2C3E50 !important; }.kupo-faq-seo-item p { margin: 0; line-height: 1.6; color: #222222 !important; }\u003c\/style\u003e\u003csection class=\"kupo-faq-seo-block\" data-product-id=\" C-23\" data-category=\"Hardware Solution\"\u003e  \u003ch2\u003e Frequently Asked Questions\u003c\/h2\u003e  \u003cdiv class=\"kupo-faq-seo-item\"\u003e    \u003ch3\u003eIs C-23 rated for lifting?\u003c\/h3\u003e    \u003cp\u003eNo. The specification lists WLL as not rated, so it should be treated as a pipe joiner, not a lifting-rated hanger or suspension clamp.\u003c\/p\u003e  \u003c\/div\u003e  \u003cdiv class=\"kupo-faq-seo-item\"\u003e    \u003ch3\u003eWhy are the set screws hollow?\u003c\/h3\u003e    \u003cp\u003eThe hollow screws allow visual check of pipe insertion position, which helps installers check that both tube ends are properly seated.\u003c\/p\u003e  \u003c\/div\u003e  \u003cdiv class=\"kupo-faq-seo-item\"\u003e    \u003ch3\u003eWhat tube size does it join?\u003c\/h3\u003e    \u003cp\u003e C-23 is made for joining 48 mm tubes.\u003c\/p\u003e  \u003c\/div\u003e\u003c\/section\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Is C-23 rated for lifting?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. The specification lists WLL as not rated, so it should be treated as a pipe joiner, not a lifting-rated hanger or suspension clamp.\"}},{\"@type\":\"Question\",\"name\":\"Why are the set screws hollow?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The hollow screws allow visual check of pipe insertion position, which helps installers check that both tube ends are properly seated.\"}},{\"@type\":\"Question\",\"name\":\"What tube size does it join?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\" C-23 is made for joining 48 mm tubes.\"}}]}\u003c\/script\u003e\u003c!-- Download block omitted: no confirmed spec sheet PDF for C-23 --\u003e","brand":"KUPO Stage","offers":[{"title":"Pipe Hangers \/ Pivot \/ Joiner","offer_id":53907518816555,"sku":"C-23","price":0.0,"currency_code":"TWD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/6887\/6843\/files\/C-23_b.jpg?v=1782111162","url":"https:\/\/kupostage.com\/products\/c-23","provider":"KUPO Stage","version":"1.0","type":"link"}