{"product_id":"pvc-straight-pipe-coupling-red-socket-fitting","title":"PVC Straight Pipe Coupling — Red Socket Fitting 20mm, 25mm \u0026 32mm","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?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Match the coupling size to your pipe's outer diameter (OD). This listing covers 20mm (≈3\/4\\u2033), 25mm (≈1\\u2033), and 32mm (≈1-1\/4\\u2033). Always measure your existing pipe OD before ordering — nominal pipe size and actual OD can differ by standard.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What pressure rating do these PVC couplings typically handle?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Standard schedule-class PVC straight couplings generally handle working pressures of 100–150 PSI at room temperature. Pressure capacity decreases as temperature rises. For high-pressure applications, confirm the schedule rating with us before ordering.\"\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 generally resistant to moisture and soil corrosion, making it suitable for underground irrigation and drainage lines. For prolonged UV exposure above ground, painting or wrapping the fitting is recommended, as UV can degrade unprotected PVC over time.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these fittings compatible with standard PVC pipe and solvent cement?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. These are slip-fit (socket) couplings designed for solvent-cement bonding with standard PVC pipe. They are typically compatible with ASTM D1785 \/ ISO 1452 pipe of the matching nominal size. Always dry-fit before cementing to confirm alignment.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many pieces should I order for a repair or installation project?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"For a single repair joint, 1–2 PCS is sufficient. For irrigation system builds or multi-run plumbing, ordering 10–50 PCS provides better per-unit value and ensures you have spares on hand. Bulk packs (10+ PCS) are popular with contractors and landscapers.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I use these couplings for hot water lines?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Standard PVC fittings are generally rated for cold water and low-temperature applications (typically up to 140°F \/ 60°C). For hot water supply lines, CPVC or other heat-rated materials are recommended. These couplings are best suited for cold water irrigation, drainage, and general plumbing.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What tools do I need to install a PVC straight coupling?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Installation typically requires a pipe cutter or hacksaw, deburring tool or sandpaper, PVC primer, and solvent cement. No special power tools are needed. Cut the pipe square, deburr the end, apply primer, coat both surfaces with cement, and push together with a quarter-turn for a secure bond.\"\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 Coupling — Reliable Slip-Fit Joints for Water Lines \u0026amp; Irrigation\u003c\/h2\u003e\n    \u003cp\u003eWhen a cracked pipe section threatens your irrigation system or a DIY plumbing run needs a clean mid-line connection, a loose or mismatched coupling turns a 20-minute fix into an all-day headache. Homeowners, landscapers, and contractors who work with PVC water lines need a straight socket coupling that seats flush, bonds securely, and holds pressure without weeping at the joint.\u003c\/p\u003e\n    \u003cp\u003eEach piece in this listing is a \u003cstrong\u003ePVC direct straight socket coupling\u003c\/strong\u003e (slip × slip) in a bold red color, available in three sizes: \u003cstrong\u003e20mm (≈3\/4\")\u003c\/strong\u003e, \u003cstrong\u003e25mm (≈1\")\u003c\/strong\u003e, and \u003cstrong\u003e32mm (≈1-1\/4\")\u003c\/strong\u003e. The smooth socket bore accepts standard PVC pipe ends for solvent-cement bonding. Order in quantities from 1 PCS up to 50 PCS to match your project scale.\u003c\/p\u003e\n    \u003cp\u003eTypical use cases include residential garden irrigation manifolds, underground drainage stub-outs, pool and spa plumbing repairs, and general cold-water supply line extensions. The red color makes these fittings easy to identify in multi-line installations — a practical advantage when tracing lines in tight utility spaces or crawl spaces.\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 Note:\u003c\/strong\u003e These slip-fit couplings are designed for standard PVC pipe with matching nominal OD (20mm, 25mm, or 32mm). Confirm your pipe's outer diameter before ordering. For solvent-cement bonding, use PVC primer and cement rated for your pipe schedule. Not recommended for CPVC, ABS, or threaded connections.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e✅ Key Features of These PVC Straight 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\u003eSlip × Slip Socket Design\u003c\/strong\u003e — Both ends accept pipe OD for a full solvent-cement bond, creating a joint that is typically as strong as the pipe itself in cold-water PVC straight coupling applications.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eThree Sizes Available\u003c\/strong\u003e — Choose 20mm (≈3\/4\"), 25mm (≈1\"), or 32mm (≈1-1\/4\") to match your existing irrigation pipe or plumbing run without adapters.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🎨\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eHigh-Visibility Red Color\u003c\/strong\u003e — The red finish makes these fittings easy to distinguish in multi-line systems, reducing mis-connection errors during installation of garden irrigation pipe fittings.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e💧\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eMoisture \u0026amp; Corrosion Resistant\u003c\/strong\u003e — PVC does not rust or corrode in contact with water or soil, making these couplings a dependable choice for underground water line repair and buried irrigation runs.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFlexible Pack Quantities\u003c\/strong\u003e — Available from 1 to 50 PCS per order, so you can grab a single piece for a quick repair or stock up for a full irrigation system build at a lower per-unit cost.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eTool-Free Dry Fit Before Bonding\u003c\/strong\u003e — The socket bore allows a snug dry-fit check before cementing, so you can verify alignment and pipe depth on PVC water pipe socket coupling installations before committing to the bond.\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\u003eFitting Type\u003c\/th\u003e\n\u003ctd\u003eStraight Socket Coupling (Slip × Slip)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePVC (Polyvinyl Chloride)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eColor \/ Finish\u003c\/th\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Sizes\u003c\/th\u003e\n\u003ctd\u003e20mm (≈3\/4\") · 25mm (≈1\") · 32mm (≈1-1\/4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eConnection Method\u003c\/th\u003e\n\u003ctd\u003eSolvent Cement (Slip Fit)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTypical Working Pressure\u003c\/th\u003e\n\u003ctd\u003eSee variant options — generally 100–150 PSI at 73°F for standard schedule PVC\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTemperature Range\u003c\/th\u003e\n\u003ctd\u003eSuitable for cold water; generally up to 140°F (60°C) — confirm for your application\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCompatible Pipe Standards\u003c\/th\u003e\n\u003ctd\u003eTypically ASTM D1785 \/ ISO 1452 PVC pipe of matching nominal size\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSuitable Applications\u003c\/th\u003e\n\u003ctd\u003eIrrigation, drainage, cold-water plumbing, pool \u0026amp; spa lines\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePack Quantities\u003c\/th\u003e\n\u003ctd\u003e1 \/ 2 \/ 5 \/ 10 \/ 15 \/ 20 \/ 25 \/ 50 PCS\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\u003eHeads up:\u003c\/strong\u003e PVC pipe sizing conventions vary by region and standard. \"20mm,\" \"25mm,\" and \"32mm\" refer to the nominal pipe OD this coupling is designed to fit. Always measure your existing pipe's outer diameter and dry-fit before cementing.\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?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eMatch the coupling size to your pipe's outer diameter (OD). This listing covers \u003cstrong\u003e20mm (≈3\/4\")\u003c\/strong\u003e, \u003cstrong\u003e25mm (≈1\")\u003c\/strong\u003e, and \u003cstrong\u003e32mm (≈1-1\/4\")\u003c\/strong\u003e. Always measure your existing pipe OD before ordering — nominal pipe size and actual OD can differ depending on the standard (Schedule 40, Class 200, etc.). When in doubt, bring a pipe sample to compare.\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\u003eStandard schedule-class PVC straight couplings generally handle working pressures of \u003cstrong\u003e100–150 PSI\u003c\/strong\u003e at room temperature (73°F \/ 23°C). Pressure capacity decreases as temperature rises. For high-pressure applications such as main supply lines, confirm the schedule rating with us before ordering.\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 generally resistant to moisture and soil corrosion, making it well-suited for underground irrigation and drainage lines. For prolonged above-ground UV exposure, painting or wrapping the fitting is recommended — unprotected PVC can become brittle over time in direct sunlight. Underground use is typically fine without additional protection.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these fittings compatible with standard PVC pipe and solvent cement?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes. These are slip-fit (socket) couplings designed for solvent-cement bonding with standard PVC pipe. They are typically compatible with \u003cstrong\u003eASTM D1785 \/ ISO 1452\u003c\/strong\u003e pipe of the matching nominal size. Use a two-step process: apply PVC primer first, then solvent cement to both the pipe end and socket. Always dry-fit before cementing to confirm alignment and insertion depth.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow many pieces should I order for my project?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eFor a single pipe repair, \u003cstrong\u003e1–2 PCS\u003c\/strong\u003e is typically sufficient. For irrigation system builds or multi-zone plumbing runs, ordering \u003cstrong\u003e10–50 PCS\u003c\/strong\u003e provides better per-unit value and ensures you have spares on hand. Bulk packs are popular with landscapers, contractors, and anyone building out a full drip or sprinkler system.\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 lines?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eStandard PVC fittings are generally rated for \u003cstrong\u003ecold water and low-temperature applications\u003c\/strong\u003e (typically up to 140°F \/ 60°C). For hot water supply lines, CPVC or other heat-rated materials are recommended. These couplings are best suited for cold-water irrigation, drainage, pool plumbing, and general cold-water supply runs.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat tools do I need to install a PVC straight coupling?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eInstallation typically requires a \u003cstrong\u003epipe cutter or hacksaw\u003c\/strong\u003e, a deburring tool or sandpaper, PVC primer, and solvent cement. No special power tools are needed. Cut the pipe square, deburr and clean the end, apply primer to both surfaces, coat with cement, push together with a slight quarter-turn, and hold for 30 seconds. Allow full cure time before pressurizing.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWill the red color fade or affect the fitting's performance?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThe red pigment is mixed into the PVC material and does not affect structural integrity or chemical resistance. Color is primarily for visual identification in multi-line systems. As noted above, prolonged UV exposure may cause surface fading over time, but this is cosmetic and does not in most cases affect the fitting's pressure performance.\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":"Red \/ 20 mm \/ 1 PCS","offer_id":52332885836050,"sku":"GYJLTGLBZSJ019440x1","price":5.43,"currency_code":"USD","in_stock":true},{"title":"Red \/ 25 mm \/ 1 PCS","offer_id":52332885868818,"sku":"GYJLTGLBZSJ019441x1","price":6.11,"currency_code":"USD","in_stock":true},{"title":"Red \/ 32 mm \/ 1 PCS","offer_id":52332885901586,"sku":"GYJLTGLBZSJ019442x1","price":7.68,"currency_code":"USD","in_stock":true},{"title":"Red \/ 20 mm \/ 2 PCS","offer_id":52332885934354,"sku":"GYJLTGLBZSJ019440x2","price":7.55,"currency_code":"USD","in_stock":true},{"title":"Red \/ 25 mm \/ 2 PCS","offer_id":52332885967122,"sku":"GYJLTGLBZSJ019441x2","price":9.23,"currency_code":"USD","in_stock":true},{"title":"Red \/ 32 mm \/ 2 PCS","offer_id":52332885999890,"sku":"GYJLTGLBZSJ019442x2","price":13.31,"currency_code":"USD","in_stock":true},{"title":"Red \/ 20 mm \/ 5 PCS","offer_id":52332886032658,"sku":"GYJLTGLBZSJ019440x5","price":15.71,"currency_code":"USD","in_stock":true},{"title":"Red \/ 25 mm \/ 5 PCS","offer_id":52332886065426,"sku":"GYJLTGLBZSJ019441x5","price":19.92,"currency_code":"USD","in_stock":true},{"title":"Red \/ 32 mm \/ 5 PCS","offer_id":52332886098194,"sku":"GYJLTGLBZSJ019442x5","price":30.18,"currency_code":"USD","in_stock":true},{"title":"Red \/ 20 mm \/ 10 PCS","offer_id":52332886130962,"sku":"GYJLTGLBZSJ019440x10","price":29.31,"currency_code":"USD","in_stock":true},{"title":"Red \/ 25 mm \/ 10 PCS","offer_id":52332886163730,"sku":"GYJLTGLBZSJ019441x10","price":37.74,"currency_code":"USD","in_stock":true},{"title":"Red \/ 32 mm \/ 10 PCS","offer_id":52332886196498,"sku":"GYJLTGLBZSJ019442x10","price":68.07,"currency_code":"USD","in_stock":true},{"title":"Red \/ 20 mm \/ 15 PCS","offer_id":52332886229266,"sku":"GYJLTGLBZSJ019440x15","price":42.91,"currency_code":"USD","in_stock":true},{"title":"Red \/ 25 mm \/ 15 PCS","offer_id":52332886262034,"sku":"GYJLTGLBZSJ019441x15","price":65.13,"currency_code":"USD","in_stock":true},{"title":"Red \/ 32 mm \/ 15 PCS","offer_id":52332886294802,"sku":"GYJLTGLBZSJ019442x15","price":100.9,"currency_code":"USD","in_stock":true},{"title":"Red \/ 20 mm \/ 20 PCS","offer_id":52332886327570,"sku":"GYJLTGLBZSJ019440x20","price":66.35,"currency_code":"USD","in_stock":true},{"title":"Red \/ 25 mm \/ 20 PCS","offer_id":52332886360338,"sku":"GYJLTGLBZSJ019441x20","price":86.07,"currency_code":"USD","in_stock":true},{"title":"Red \/ 32 mm \/ 20 PCS","offer_id":52332886393106,"sku":"GYJLTGLBZSJ019442x20","price":133.81,"currency_code":"USD","in_stock":true},{"title":"Red \/ 20 mm \/ 25 PCS","offer_id":52332886425874,"sku":"GYJLTGLBZSJ019440x25","price":82.35,"currency_code":"USD","in_stock":true},{"title":"Red \/ 25 mm \/ 25 PCS","offer_id":52332886458642,"sku":"GYJLTGLBZSJ019441x25","price":107.02,"currency_code":"USD","in_stock":true},{"title":"Red \/ 32 mm \/ 25 PCS","offer_id":52332886491410,"sku":"GYJLTGLBZSJ019442x25","price":166.72,"currency_code":"USD","in_stock":true},{"title":"Red \/ 20 mm \/ 50 PCS","offer_id":52332886524178,"sku":"GYJLTGLBZSJ019440x50","price":162.45,"currency_code":"USD","in_stock":true},{"title":"Red \/ 25 mm \/ 50 PCS","offer_id":52332886556946,"sku":"GYJLTGLBZSJ019441x50","price":211.74,"currency_code":"USD","in_stock":true},{"title":"Red \/ 32 mm \/ 50 PCS","offer_id":52332886589714,"sku":"GYJLTGLBZSJ019442x50","price":331.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Main-01_d5e58ceb-b6fb-4c50-ab6f-46b5186a1f86.jpg?v=1780985884","url":"https:\/\/homediyer.com\/de\/products\/pvc-straight-pipe-coupling-red-socket-fitting","provider":"HomeDIYer","version":"1.0","type":"link"}