{"product_id":"pvc-straight-coupling-solvent-weld-drain-pipe-connector","title":"PVC Straight Coupling — Solvent Weld Drain Pipe Connector 50mm–250mm","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 size PVC straight coupling for my pipe?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Measure the outer diameter (OD) of your existing pipe. PVC drain pipe sizing is typically nominal — for example, a 50mm coupling fits pipe with an OD of approximately 50mm (≈2\\\")), and a 110mm coupling fits standard 4\\\" drain pipe (OD ≈ 110mm \/ 4.3\\\"). When in doubt, measure twice and match the nominal size listed on your existing fittings.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What pipe schedules or standards are these couplings compatible with?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These straight couplings are generally compatible with standard PVC drain, waste, and vent (DWV) pipe in metric sizes. They are typically suited for pipes conforming to EN 1329 or equivalent metric DWV standards. Contact us to confirm compatibility with your specific pipe standard.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How strong is a solvent-weld PVC coupling joint?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"A properly made solvent-weld joint is generally stronger than the pipe itself. The solvent cement chemically fuses the fitting and pipe into a single continuous piece, creating a joint that typically withstands the full pressure rating of the pipe — in most DWV applications, well above the pressures encountered in gravity drain systems.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can these PVC couplings be used outdoors or underground?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"PVC is generally resistant to moisture and soil chemicals, making it suitable for underground drain applications in most cases. For above-ground outdoor use exposed to direct UV sunlight over long periods, painting or shielding the fitting is typically recommended to prevent UV degradation over time.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What solvent cement should I use with these fittings?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Use a PVC solvent cement rated for DWV or drain applications. Always apply a PVC primer first to clean and soften the pipe surface before applying cement. Follow the cement manufacturer's cure time instructions — typically 15 minutes before handling and 24 hours before full flow.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many pieces do I need for a typical pipe repair?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"A single straight coupling is generally sufficient to join two pipe ends or repair a cut section when used with a short pipe sleeve. For larger projects — such as replacing a drain run or stocking a maintenance kit — the 10-pack or 20-pack options offer a lower per-unit cost.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I use these couplings for hot water drain lines?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Standard PVC is typically rated for continuous service up to around 140°F (60°C). For drain lines carrying intermittent hot water — such as from dishwashers or washing machines — PVC DWV fittings are generally acceptable. For continuous high-temperature applications, CPVC fittings are typically recommended instead.\"\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 Coupling for Solvent-Weld Drain Pipe Repair — 50mm to 250mm\u003c\/h2\u003e\n    \u003cp\u003eA cracked drain line or a botched pipe cut can bring a plumbing project to a grinding halt. Whether you're a homeowner patching a leaking waste stack or a contractor running new DWV rough-in, having the right \u003cstrong\u003ePVC straight coupling\u003c\/strong\u003e on hand means the job gets done cleanly — no callbacks, no leaks.\u003c\/p\u003e\n    \u003cp\u003eEach coupling is a full-socket, solvent-weld straight connector machined from rigid PVC. Available in six nominal sizes — 50mm (≈2\"), 75mm (≈3\"), 110mm (≈4.3\"), 160mm (≈6.3\"), 200mm (≈7.9\"), and 250mm (≈9.8\") — and sold in quantities from 1 to 50 pieces per order. The smooth internal bore and consistent socket depth ensure a flush, gap-free joint when used with standard PVC solvent cement.\u003c\/p\u003e\n    \u003cp\u003eTypical applications include residential and commercial drain, waste, and vent (DWV) pipe repair, underground sewer lateral connections, irrigation mainline coupling, and industrial drainage runs where a watertight inline joint is required.\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 metric PVC DWV pipe (EN 1329 or equivalent). Match the coupling nominal size to your pipe's outer diameter. If you are unsure of your pipe standard, contact us to confirm before ordering.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e✅ Key Features of These PVC Straight Drain Pipe 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\u003eFull-Socket Solvent-Weld Design\u003c\/strong\u003e — Deep socket on both ends creates maximum glue surface area, producing a chemically fused joint that is typically stronger than the pipe itself — ideal for solvent weld drain pipe repair.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eSix Sizes, One Listing\u003c\/strong\u003e — Covers 50mm through 250mm nominal diameters, so you can match the coupling to your existing DWV pipe without hunting across multiple SKUs.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e💧\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eSmooth Internal Bore\u003c\/strong\u003e — The unobstructed internal channel maintains full flow capacity and resists debris buildup, keeping your drain line running freely after the repair.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🏗️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eRigid PVC Construction\u003c\/strong\u003e — Resistant to common drain chemicals, household cleaners, and soil moisture — suitable for underground sewer coupling and concealed in-wall installations.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFlexible Quantity Options\u003c\/strong\u003e — Order 1 to 50 pieces per size to match your project scope, from a single emergency repair to a full contractor stock-up, with per-unit cost decreasing at higher quantities.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚡\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFast, Straightforward Installation\u003c\/strong\u003e — No special tools required beyond a pipe cutter and standard PVC primer and cement — compatible with the same installation workflow used for any metric PVC DWV fitting.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003e📐 Technical Specifications — PVC Straight Coupling DWV Fittings\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 Coupling \/ Inline Connector\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eConnection Method\u003c\/th\u003e\n\u003ctd\u003eSolvent weld (adhesive cement, not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Sizes (Nominal OD)\u003c\/th\u003e\n\u003ctd\u003e50mm (≈2\"), 75mm (≈3\"), 110mm (≈4.3\"), 160mm (≈6.3\"), 200mm (≈7.9\"), 250mm (≈9.8\")\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\u003eTypical Application\u003c\/th\u003e\n\u003ctd\u003eDrain, Waste \u0026amp; Vent (DWV), underground sewer, irrigation mainline\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCompatible Pipe Standard\u003c\/th\u003e\n\u003ctd\u003eMetric PVC DWV pipe (EN 1329 or equivalent) — See variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTemperature Rating\u003c\/th\u003e\n\u003ctd\u003eTypically up to 140°F (60°C) continuous service\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eColor \/ Finish\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSocket Depth\u003c\/th\u003e\n\u003ctd\u003eSee variant options \/ Contact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eQuantity per Order\u003c\/th\u003e\n\u003ctd\u003e1, 2, 3, 4, 10, 20, or 50 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eContact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\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 Solvent cement and primer are not included. Always verify your pipe's outer diameter before ordering. Nominal pipe sizes may vary slightly by manufacturer — when in doubt, measure your pipe OD directly.\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 size PVC straight coupling for my pipe?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eMeasure the outer diameter (OD) of your existing pipe. PVC drain pipe sizing is typically nominal — for example, a 50mm coupling fits pipe with an OD of approximately 50mm (≈2\"), and a 110mm coupling fits standard 4\" drain pipe (OD ≈ 110mm \/ 4.3\"). When in doubt, measure twice and match the nominal size listed on your existing fittings.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat pipe schedules or standards are these couplings compatible with?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese straight couplings are generally compatible with standard PVC drain, waste, and vent (DWV) pipe in metric sizes. They are typically suited for pipes conforming to EN 1329 or equivalent metric DWV standards. Contact us to confirm compatibility with your specific pipe standard.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow strong is a solvent-weld PVC coupling joint?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eA properly made solvent-weld joint is generally stronger than the pipe itself. The solvent cement chemically fuses the fitting and pipe into a single continuous piece, creating a joint that typically withstands the full pressure rating of the pipe — in most DWV applications, well above the pressures encountered in gravity drain systems.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan these PVC couplings be used outdoors or underground?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003ePVC is generally resistant to moisture and soil chemicals, making it suitable for underground drain applications in most cases. For above-ground outdoor use exposed to direct UV sunlight over long periods, painting or shielding the fitting is typically recommended to prevent UV degradation over time.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat solvent cement should I use with these fittings?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eUse a PVC solvent cement rated for DWV or drain applications. Always apply a PVC primer first to clean and soften the pipe surface before applying cement. Follow the cement manufacturer's cure time instructions — typically 15 minutes before handling and 24 hours before full flow.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow many pieces do I need for a typical pipe repair?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eA single straight coupling is generally sufficient to join two pipe ends or repair a cut section when used with a short pipe sleeve. For larger projects — such as replacing a drain run or stocking a maintenance kit — the 10-pack or 20-pack options offer a lower per-unit cost.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I use these couplings for hot water drain lines?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eStandard PVC is typically rated for continuous service up to around 140°F (60°C). For drain lines carrying intermittent hot water — such as from dishwashers or washing machines — PVC DWV fittings are generally acceptable. For continuous high-temperature applications, CPVC fittings are typically recommended instead.\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\u003esize 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":"50mm \/ 1pcs","offer_id":52332141674770,"sku":"WZYGLBZSJ020930x1","price":2.79,"currency_code":"USD","in_stock":true},{"title":"75mm \/ 1pcs","offer_id":52332141707538,"sku":"WZYGLBZSJ020931x1","price":5.07,"currency_code":"USD","in_stock":true},{"title":"110mm \/ 1pcs","offer_id":52332141740306,"sku":"WZYGLBZSJ020932x1","price":9.86,"currency_code":"USD","in_stock":true},{"title":"160mm \/ 1pcs","offer_id":52332141773074,"sku":"WZYGLBZSJ020933x1","price":17.58,"currency_code":"USD","in_stock":true},{"title":"200mm \/ 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