{"product_id":"kpc-131","title":"KPC-131 - Pipe Clamp Base Flange (Silver)","description":"\u003c!-- Sub-type: H-E --\u003e\u003c!-- Source: kpc-131-pipe-clamp-base-flange.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=\"KPC-131\" data-color=\"Silver\"\u003e  \u003ch3\u003eOverview\u003c\/h3\u003e  \u003cp\u003eThe KPC-131 Pipe Clamp Base Flange is a 100-series bolt-on fitting for 48.3 mm OD, 1-1\/2\" Sch. 40 pipe. It terminates a pipe to a flat surface with bolt-down mounting holes for posts and uprights, using stainless steel hex screws to lock the pipe without welding so smaller-format rail, display, and frame structures can be assembled and reconfigured on site.\u003c\/p\u003e  \u003ch3\u003eWhy It Matters\u003c\/h3\u003e  \u003cp\u003eA 48.3 mm upright still needs a clear, inspectable base. This flange gives posts and frame starts a no-weld mounting point on decks, platforms, and fabricated surfaces.\u003c\/p\u003e  \u003ch3\u003eKey Features\u003c\/h3\u003e  \u003cul\u003e    \u003cli\u003eBolt-down flange base terminates 48.3 mm outside diameter pipe to a flat surface for posts and uprights.\u003c\/li\u003e    \u003cli\u003eMalleable iron casting per ASTM A197 provides a durable body for modular tubular structures.\u003c\/li\u003e    \u003cli\u003eASTM A153 hot dip galvanized treatment plus zinc plating supports corrosion resistance in demanding environments.\u003c\/li\u003e    \u003cli\u003eStainless steel hex screws lock the pipe without welding, helping crews assemble and revise frames cleanly.\u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003eApplications\u003c\/h3\u003e  \u003cp\u003eMade for display bases, platform rails, upright posts, pipe frames, shop-built supports, and temporary or semi-permanent structures anchored to flat surfaces.\u003c\/p\u003e  \u003ch3\u003e Compatibility\u003c\/h3\u003e  \u003cp\u003e Fits 48.3 mm OD, 1-1\/2\" Sch. 40 pipe; related sister fittings cover the alternate KUPO pipe clamp diameter.\u003c\/p\u003e\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{  \"@context\": \"https:\/\/schema.org\",  \"@type\": \"Product\",  \"name\": \"KPC-131 - Pipe Clamp Base Flange (Silver)\",  \"description\": \"The KPC-131 Pipe Clamp Base Flange is a 100-series bolt-on fitting for 48.3 mm outside diameter (1-1\/2\\\" nominal Schedule 40) pipe. It terminates a pipe to a flat surface with bolt-down mounting holes for posts and uprights, using stainless steel hex screws to lock the pipe without welding so smaller-format rail, display, and frame structures can be assembled and reconfigured on site.\",  \"brand\": {    \"@type\": \"Brand\",    \"name\": \"KUPO\"  },  \"manufacturer\": {    \"@type\": \"Organization\",    \"name\": \"KUPO CO. LTD\"  },  \"category\": \"Hardware Solution \u003e Pipe Joiners \u0026 Couplers\",  \"sku\": \"KPC-131\",  \"mpn\": \"KPC-131\",  \"color\": \"Silver\",  \"material\": \"Malleable iron casting per ASTM A197\",  \"additionalProperty\": [    {      \"@type\": \"PropertyValue\",      \"name\": \"Product Type\",      \"value\": \"Pipe clamp base flange\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Material\",      \"value\": \"Malleable iron casting per ASTM A197\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Finish\",      \"value\": \"Hot dip galvanized with zinc plating\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Surface Treatment\",      \"value\": \"ASTM A153 hot-dip galvanized + zinc\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Pipe Diameter\",      \"value\": \"48.3 mm OD, 1-1\/2\\\" Sch. 40\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Fasteners\",      \"value\": \"Stainless steel hex screw\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Installation\",      \"value\": \"Bolt on, no welding required\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Family\",      \"value\": \"Base Flange\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Sister Sizes\",      \"value\": \"KPC-031 \/ KPC-031B\"    }  ]}\u003c\/script\u003e\u003cstyle\u003e.kupo-faq-seo {  margin-top: 2rem;}.kupo-faq-seo h3 {  color: #2C3E50 !important;  font-size: 17px !important;  font-weight: 600;  margin: 1.25rem 0 0.5rem 0;  line-height: 1.35;  letter-spacing: 0;}.kupo-faq-seo p {  color: #222222 !important;  margin: 0 0 1rem 0;}\u003c\/style\u003e\u003csection class=\"kupo-faq-seo\"\u003e  \u003ch2 class=\"kupo-section-title\"\u003e Frequently Asked Questions\u003c\/h2\u003e  \u003cdiv class=\"kupo-faq-seo-item\"\u003e    \u003ch3\u003eDoes this fitting need welding?\u003c\/h3\u003e    \u003cp\u003eNo. It locks the pipe with stainless steel hex screws, keeping the structure bolt-on and easier to revise.\u003c\/p\u003e  \u003c\/div\u003e  \u003cdiv class=\"kupo-faq-seo-item\"\u003e    \u003ch3\u003eIs this for anchoring an upright post?\u003c\/h3\u003e    \u003cp\u003eYes. The base flange is used when a 48.3 mm OD, 1-1\/2\" Sch. 40 pipe needs to terminate at a flat mounting surface.\u003c\/p\u003e  \u003c\/div\u003e  \u003cdiv class=\"kupo-faq-seo-item\"\u003e    \u003ch3\u003eWhat pipe size does this version fit?\u003c\/h3\u003e    \u003cp\u003eThis 100-series version fits 48.3 mm OD, 1-1\/2\" Sch. 40 pipe, also described as 1-1\/2\" nominal Schedule 40 pipe.\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\": \"Does this fitting need welding?\",      \"acceptedAnswer\": {        \"@type\": \"Answer\",        \"text\": \"No. It locks the pipe with stainless steel hex screws, keeping the structure bolt-on and easier to revise.\"      }    },    {      \"@type\": \"Question\",      \"name\": \"Is this for anchoring an upright post?\",      \"acceptedAnswer\": {        \"@type\": \"Answer\",        \"text\": \"Yes. The base flange is used when a 48.3 mm outside diameter (1-1\/2\\\" nominal Schedule 40) pipe needs to terminate at a flat mounting surface.\"      }    },    {      \"@type\": \"Question\",      \"name\": \"What pipe size does this version fit?\",      \"acceptedAnswer\": {        \"@type\": \"Answer\",        \"text\": \"This 100-series version fits 48.3 mm outside diameter (1-1\/2\\\" nominal Schedule 40) pipe, also described as 1-1\/2\\\" nominal Schedule 40 pipe.\"      }    }  ]}\u003c\/script\u003e","brand":"KUPO Stage","offers":[{"title":"Pipe Fittings \/ Iron Casting","offer_id":53907548438827,"sku":"KPC-131","price":0.0,"currency_code":"TWD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/6887\/6843\/files\/KPC-131_b.jpg?v=1782111461","url":"https:\/\/kupostage.com\/products\/kpc-131","provider":"KUPO Stage","version":"1.0","type":"link"}