{"product_id":"pvc-straight-pipe-socket-coupling-joint-id-20mm-110mm","title":"PVC Straight Pipe Socket Coupling Joint — ID 20mm–110mm","description":"\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose the right inner diameter for my pipe?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Match the coupling's inner diameter (ID) to the outer diameter (OD) of your PVC pipe. For example, a pipe with a 20mm OD generally fits a 20mm ID socket coupling. When in doubt, measure your existing pipe OD and select the matching ID size from the variant options.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What pressure rating do these PVC couplings typically handle?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"PVC socket couplings of this type are generally rated for cold-water working pressures in the range of 150–300 PSI depending on pipe schedule and size. Larger diameters typically carry lower pressure ratings. Always verify the pressure rating against your system requirements before installation.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can these couplings be used outdoors or underground?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"PVC is inherently resistant to corrosion and moisture, making it suitable for outdoor and underground applications in most cases. For prolonged UV exposure above ground, wrapping or painting the fitting is generally recommended to prevent UV degradation over time.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these couplings compatible with standard Schedule 40 PVC pipe?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. These straight socket couplings are designed to be compatible with standard Schedule 40 PVC pipe dimensions. The slip-fit socket accepts the pipe OD and is secured with PVC solvent cement for a permanent, leak-free joint.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do I need any special tools to install these fittings?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No special tools are required. You will need PVC primer and solvent cement, a pipe cutter or hacksaw, and a clean rag. Clean and dry the pipe end, apply primer, coat both surfaces with cement, insert the pipe into the socket with a slight twist, and hold for 30 seconds.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I use these for hot water lines?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Standard PVC fittings are generally rated for cold water only (typically up to 140°F \/ 60°C under low pressure). For hot water applications, CPVC or other heat-rated fittings are recommended. Please confirm your system's temperature requirements before ordering.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the difference between a coupling and a union fitting?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"A coupling creates a permanent solvent-welded joint and cannot be disassembled without cutting. A union fitting allows the joint to be disconnected for maintenance. Use a coupling for permanent runs and a union where future access may be needed.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003ePVC Straight Pipe Socket Coupling — Reliable Slip-Fit Joints for Water Lines\u003c\/h2\u003e\n    \u003cp\u003eLeaking pipe joints and mismatched fittings are a frustrating setback for any plumber, irrigation installer, or DIY homeowner. Whether you're repairing a broken water supply line or extending a garden irrigation system, you need a \u003cstrong\u003ePVC straight pipe socket coupling\u003c\/strong\u003e that delivers a clean, leak-free connection every time — without hunting through multiple hardware stores for the right size.\u003c\/p\u003e\n    \u003cp\u003eEach listing is for one PVC straight socket coupling (also called a slip coupling or pipe socket joint), available in inner diameters from \u003cstrong\u003e20mm (≈3\/4\")\u003c\/strong\u003e to \u003cstrong\u003e110mm (≈4-3\/8\")\u003c\/strong\u003e. The fittings are made from rigid PVC (polyvinyl chloride), offering a smooth interior bore for unrestricted flow. The slip-fit socket design accepts standard PVC pipe OD and is bonded permanently with PVC solvent cement (not included).\u003c\/p\u003e\n    \u003cp\u003eThese couplings are well-suited for residential cold-water supply lines, drip and sprinkler irrigation systems, and drainage or waste pipe repairs. The 63mm (≈2-1\/2\") and 90mm (≈3-1\/2\") sizes are especially popular for main supply runs and agricultural irrigation pipe coupling applications, while the 20mm–40mm range covers most household branch lines and garden hose manifold connections.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e🔵\u003c\/span\u003e\n    \u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for standard Schedule 40 PVC pipe. Match the coupling ID to your pipe OD. Sizes available: 20mm \/ 25mm \/ 32mm \/ 40mm \/ 50mm \/ 63mm \/ 75mm \/ 90mm \/ 110mm. Solvent-cement installation (PVC primer + cement required, sold separately).\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-note\"\u003e\n    \u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e\n    \u003cstrong\u003eNote:\u003c\/strong\u003e These fittings are rated for cold-water use only. Not suitable for hot water, steam, or compressed air lines. Confirm your pipe OD matches the selected ID before ordering.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e✅ Key Features of These PVC Straight Pipe Socket Couplings\u003c\/h2\u003e\n  \u003cul class=\"hdiy-features\"\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e💧\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eLeak-Free Slip-Fit Socket\u003c\/strong\u003e — The smooth, precision-molded socket bore creates a tight slip fit with standard PVC pipe OD, ensuring a secure solvent-welded joint with no gaps or voids in cold-water pipe coupling applications.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eWide Size Range\u003c\/strong\u003e — Available in nine inner diameters from 20mm (≈3\/4\") to 110mm (≈4-3\/8\"), covering everything from small branch lines to large-diameter irrigation pipe coupling and main supply runs.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eCorrosion-Resistant PVC Body\u003c\/strong\u003e — Rigid PVC resists rust, scale, and chemical attack from soil and water, making these fittings a durable choice for underground pipe repair and outdoor irrigation systems.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eTool-Free Assembly\u003c\/strong\u003e — No threading, no compression rings, and no special wrenches needed. Clean the pipe end, apply primer and PVC solvent cement, and the joint cures in minutes — ideal for fast DIY plumbing repairs.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🌊\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eSmooth Interior Bore\u003c\/strong\u003e — The straight-through design with no internal obstructions maintains full flow capacity, reducing pressure drop in water supply lines and drip irrigation manifold systems.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚖️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eLightweight Yet Rigid\u003c\/strong\u003e — PVC's low density makes these couplings easy to handle and position during installation, while the rigid wall construction holds alignment under soil load in buried pipe applications.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003e📐 Technical Specifications — PVC Straight Socket Coupling\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003ePVC Straight Pipe Socket Coupling (Slip Coupling)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eRigid PVC (Polyvinyl Chloride)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eConnection Type\u003c\/th\u003e\n\u003ctd\u003eSlip-fit socket, solvent cement (PVC primer + cement required)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eInner Diameter (ID) Options\u003c\/th\u003e\n\u003ctd\u003e20mm (≈3\/4\") \/ 25mm (≈1\") \/ 32mm (≈1-1\/4\") \/ 40mm (≈1-1\/2\") \/ 50mm (≈2\") \/ 63mm (≈2-1\/2\") \/ 75mm (≈3\") \/ 90mm (≈3-1\/2\") \/ 110mm (≈4-3\/8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCompatible Pipe Standard\u003c\/th\u003e\n\u003ctd\u003eStandard Schedule 40 PVC pipe (match pipe OD to coupling ID)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePressure Rating\u003c\/th\u003e\n\u003ctd\u003eSee variant options \/ Contact us to confirm for your pipe schedule\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTemperature Rating\u003c\/th\u003e\n\u003ctd\u003eCold water only — generally up to 140°F (60°C) at low pressure\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eWhite \/ Light Gray (typical for PVC fittings)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eEnd Configuration\u003c\/th\u003e\n\u003ctd\u003eBoth ends slip socket (female × female)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eQuantity per Order\u003c\/th\u003e\n\u003ctd\u003e1 Pc (see variant options for quantity)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eCold water supply, irrigation, drainage, pipe repair\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-faq\"\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I choose the right inner diameter for my pipe?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eMatch the coupling's inner diameter (ID) to the outer diameter (OD) of your PVC pipe. For example, a pipe with a 20mm OD generally fits a 20mm (≈3\/4\") ID socket coupling. When in doubt, measure your existing pipe OD with calipers and select the matching ID size from the variant options above.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat pressure rating do these PVC couplings typically handle?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003ePVC socket couplings of this type are generally rated for cold-water working pressures in the range of 150–300 PSI depending on pipe schedule and diameter. Larger diameters typically carry lower pressure ratings. Always verify the pressure rating against your system requirements before installation.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan these couplings be used outdoors or underground?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003ePVC is inherently resistant to corrosion and moisture, making it suitable for outdoor and underground pipe repair in most cases. For prolonged UV exposure above ground, wrapping or painting the fitting is generally recommended to prevent UV degradation over time.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these couplings compatible with standard Schedule 40 PVC pipe?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes. These straight socket couplings are designed to be compatible with standard Schedule 40 PVC pipe dimensions. The slip-fit socket accepts the pipe OD and is secured with PVC solvent cement for a permanent, leak-free joint in water supply and irrigation systems.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eDo I need any special tools to install these fittings?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eNo special tools are required. You will need PVC primer, solvent cement, a pipe cutter or hacksaw, and a clean rag. Clean and dry the pipe end, apply primer, coat both surfaces with cement, insert the pipe into the socket with a slight twist, and hold for 30 seconds. Full cure typically takes 1–2 hours before pressurizing.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I use these for hot water lines?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eStandard PVC fittings are generally rated for cold water only (typically up to 140°F \/ 60°C under low pressure). For hot water applications, CPVC or other heat-rated fittings are recommended. Please confirm your system's temperature requirements before ordering.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the difference between a coupling and a union fitting?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eA coupling creates a permanent solvent-welded joint and cannot be disassembled without cutting the pipe. A union fitting allows the joint to be disconnected for maintenance or equipment removal. Use a coupling for permanent pipe runs and a union where future access may be needed.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e\n    🛒 Select your \u003cstrong\u003einner diameter and quantity\u003c\/strong\u003e above, then add to cart — ships from our US warehouse.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"40mm \/ 1 Pcs","offer_id":52332811321618,"sku":"GLFBQLW2024KC00826x1","price":44.13,"currency_code":"USD","in_stock":true},{"title":"32mm \/ 1 Pcs","offer_id":52332811354386,"sku":"GLFBQLW2024KC00827x1","price":39.83,"currency_code":"USD","in_stock":true},{"title":"25mm \/ 1 Pcs","offer_id":52332811387154,"sku":"GLFBQLW2024KC00828x1","price":35.56,"currency_code":"USD","in_stock":true},{"title":"20mm \/ 1 Pcs","offer_id":52332811419922,"sku":"GLFBQLW2024KC00829x1","price":24.82,"currency_code":"USD","in_stock":true},{"title":"16mm \/ 1 Pcs","offer_id":52332811452690,"sku":"GLFBQLW2024KC00830x1","price":21.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/6ab44bc6-388c-49cf-a5b6-2f676876987b.png?v=1780918323","url":"https:\/\/homediyer.com\/products\/pvc-straight-pipe-socket-coupling-joint-id-20mm-110mm","provider":"HomeDIYer","version":"1.0","type":"link"}