{"product_id":"grey-pvc-straight-coupling-sleeve-fitting-20-200mm","title":"Grau PVC Muffe Rohr Gerade Fitting Klebefittings Rohrverbinder Montage Ø20-200mm","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\u003ch2 class=\"hdiy-overview\"\u003eGrey PVC Straight Coupling Sleeve — Reliable Solvent-Weld Pipe Joints from Ø20 to Ø200mm\u003c\/h2\u003e\n\u003cp\u003eWhen a pipe run needs a clean, leak-free extension or repair, a poorly matched fitting is the fastest way to turn a straightforward job into a weekend-long headache. Whether you are a plumber routing cold-water supply lines, a DIYer extending a drainage run, or a facilities manager maintaining irrigation infrastructure, these grey PVC straight coupling sleeves give you a dimensionally accurate, solvent-weld-ready joint every time.\u003c\/p\u003e\n\u003cp\u003eEach coupling is moulded from rigid grey PVC (polyvinyl chloride) and conforms to standard metric pipe dimensions. Inner diameters span Ø20 mm (approx. ¾ in) through Ø200 mm (approx. 8 in), with wall thickness typically 2–6 mm depending on size. The smooth internal bore and square-cut socket ends ensure full contact with the pipe spigot for a consistent glue-line.\u003c\/p\u003e\n\u003cp\u003eTypical applications include cold-water supply plumbing, above-ground and below-ground drainage systems, garden and agricultural irrigation networks, and industrial process pipework where chemical resistance to dilute acids and alkalis is required. The lightweight construction also makes these couplings a practical choice for conduit runs in electrical and cable management installations.\u003c\/p\u003e\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e🔗\u003c\/span\u003e Compatible with standard metric grey PVC pressure and drainage pipe. Designed for solvent-cement (glue) jointing. Not suitable for push-fit or threaded connections.\u003c\/div\u003e\n\u003ch2\u003e✅ Key Features of These PVC Straight Coupling Sleeve Fittings\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cstrong\u003eFull Metric Size Range\u003c\/strong\u003e\u003cp\u003eAvailable from Ø20 mm to Ø200 mm inner diameter, covering the most common residential, commercial, and light-industrial pipe sizes in a single product line.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🧪\u003c\/span\u003e\u003cstrong\u003eRigid PVC Construction\u003c\/strong\u003e\u003cp\u003eMoulded from unplasticised PVC, these couplings resist corrosion, scale build-up, and a wide range of dilute chemicals, making them suitable for both water and non-aggressive fluid systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\u003cstrong\u003eSolvent-Weld Ready Socket Ends\u003c\/strong\u003e\u003cp\u003eBoth socket ends are machined to tight dimensional tolerances, providing the even glue-line gap needed for a strong, permanent solvent-cement bond with standard PVC pipe cement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚖️\u003c\/span\u003e\u003cstrong\u003eLightweight Yet Rigid\u003c\/strong\u003e\u003cp\u003ePVC's low density keeps handling and installation effort minimal, even for larger diameters, without sacrificing the structural rigidity needed to maintain pipe alignment under pressure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🌡️\u003c\/span\u003e\u003cstrong\u003eSuitable for Cold-Water Applications\u003c\/strong\u003e\u003cp\u003eRated for continuous use with cold water and non-aggressive fluids. The grey colour coding is consistent with standard cold-water and drainage pipe conventions for easy system identification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cstrong\u003eFlexible Pack Quantities\u003c\/strong\u003e\u003cp\u003eOrder 1, 2, 3, 5, or 10 pieces per transaction to match your exact project requirement — whether a single repair or a bulk installation run — without over-ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ch2\u003e📐 Technical Specifications — PVC Straight Coupling Sleeve Fittings\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\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\u003eColour\u003c\/th\u003e\n\u003ctd\u003eGrey\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnection Type\u003c\/th\u003e\n\u003ctd\u003eSolvent-weld (glue) socket × socket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInner Diameter Range\u003c\/th\u003e\n\u003ctd\u003eØ20 mm – Ø200 mm (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWall Thickness\u003c\/th\u003e\n\u003ctd\u003eSee variant options (typically 2–6 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePipe Standard Compatibility\u003c\/th\u003e\n\u003ctd\u003eStandard metric PVC pressure and drainage pipe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTemperature Rating\u003c\/th\u003e\n\u003ctd\u003eSuitable for cold-water service (up to approx. 60 °C short-term)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eChemical Resistance\u003c\/th\u003e\n\u003ctd\u003eResistant to dilute acids, alkalis, and most salts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity Options\u003c\/th\u003e\n\u003ctd\u003e1 \/ 2 \/ 3 \/ 5 \/ 10 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitting Type\u003c\/th\u003e\n\u003ctd\u003eStraight coupling (equal bore, both ends same diameter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eWhich size coupling do I need for my pipe?\u003c\/summary\u003e\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eSelect the coupling whose inner diameter matches the outer diameter of your pipe spigot. For example, a Ø20 mm coupling is designed to accept a standard 20 mm OD PVC pipe. If you are unsure, measure the outside diameter of your pipe and match it to the listed inner diameter. When in doubt, contact us to confirm before ordering.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I use these couplings for hot-water systems?\u003c\/summary\u003e\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThese grey PVC couplings are rated for cold-water and drainage applications. Rigid PVC begins to soften at temperatures above approximately 60 °C, so they are not recommended for continuous hot-water supply lines. For hot-water systems, consider CPVC or copper fittings instead.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat adhesive should I use to join these fittings?\u003c\/summary\u003e\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eUse a standard PVC solvent cement (pipe glue) formulated for rigid PVC. Apply a thin, even coat to both the pipe spigot and the inside of the coupling socket, push together with a slight twisting motion, and hold for 30 seconds. Allow the joint to cure fully before pressurising the system — typically 15–30 minutes for handling strength and 24 hours for full pressure rating.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eAre these fittings suitable for underground or buried installations?\u003c\/summary\u003e\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. Rigid PVC is widely used in below-ground drainage and irrigation applications. It is resistant to soil moisture and most ground chemicals. Ensure the pipe and fittings are bedded in suitable granular material and that the trench is backfilled carefully to avoid point loading on the fitting body.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow do I ensure a leak-free solvent-weld joint?\u003c\/summary\u003e\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eClean and dry both surfaces before applying cement. Lightly abrade the pipe spigot with fine sandpaper to improve adhesion. Apply cement quickly and evenly, assemble immediately, and avoid disturbing the joint for at least 30 seconds. Work in a well-ventilated area and follow the cement manufacturer's curing time guidelines before pressure-testing.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan these couplings be used for electrical conduit or cable management?\u003c\/summary\u003e\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eGrey PVC straight couplings are commonly used to join sections of PVC conduit in electrical and data cable installations. Confirm that the coupling inner diameter matches your conduit outer diameter. Note that conduit-grade and pressure-pipe-grade PVC fittings may have different wall thicknesses, so verify dimensional compatibility before installation.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDo you offer other fittings such as elbows, tees, or reducers?\u003c\/summary\u003e\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. HomeDIYer stocks a range of PVC fittings including elbows, tees, reducers, end caps, and more. Browse our PVC Fittings collection or use the search bar to find the specific fitting type you need.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e\u003cp\u003e🛒 Select your inner diameter and quantity above, then add to cart.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Which size coupling do I need for my pipe?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Select the coupling whose inner diameter matches the outer diameter of your pipe spigot. For example, a Ø20 mm coupling is designed to accept a standard 20 mm OD PVC pipe. 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