{"product_id":"pvc-white-16mm-id-pressure-pipe-fittings-metric-solvent-weld-fish-tank-pond","title":"PVC White 16mm ID Pressure Pipe Fittings Metric Solvent Weld For Fish Tank  Pond","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003ch2\u003ePVC 16mm ID Solvent Weld Pipe Fittings — Reliable Connections for Fish Tanks, Ponds \u0026amp; Water Systems\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003cp\u003eWhen a leaking joint or mismatched fitting disrupts a carefully built aquarium filter loop or pond circulation system, the fix needs to be permanent — not a temporary patch. These white PVC 16mm internal diameter solvent weld fittings are designed for hobbyists, aquarists, and DIY water system builders who need metric-sized, pressure-rated connections that bond chemically and hold under continuous flow.\u003c\/p\u003e\n    \u003cp\u003eEach fitting is moulded from rigid white PVC with a 16mm internal diameter (approximately 5\/8 in.) bore, sized to accept standard metric 16mm OD pipe. The range covers 13 fitting types — straight couplings, 45° and 90° elbows, tee pieces, 3-way and 4-way elbows, reducing sockets (ID 16×20mm and OD×ID 20×16mm), end caps, tank connectors, 90° tank connectors, and union plains — available in quantities of 1, 2, or 5 pieces per order.\u003c\/p\u003e\n    \u003cp\u003eTypical applications include recirculating aquarium sump plumbing, koi pond filter pipework, hydroponics irrigation manifolds, and low-pressure water feature installations where solvent cement creates a leak-free, rigid joint without threading or compression tools.\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 16mm OD metric PVC pipe. Solvent weld jointing — requires PVC solvent cement (sold separately). Not suitable for hot water or compressed air lines.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e✅ Key Features of These PVC 16mm Solvent Weld Pipe Fittings\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-features\"\u003e\n    \u003cdiv\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\n      \u003cstrong\u003eMetric 16mm ID Bore\u003c\/strong\u003e\n      \u003cp\u003eSized to accept standard 16mm OD metric PVC pipe for a flush, gap-free solvent weld joint with no adapters required.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e🔗\u003c\/span\u003e\n      \u003cstrong\u003e13 Fitting Types in One Range\u003c\/strong\u003e\n      \u003cp\u003eStraight couplings, 45°\/90° elbows, tee pieces, 3-way and 4-way elbows, reducing sockets, end caps, tank connectors, and union plains — all in the same bore size.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\n      \u003cstrong\u003eRigid White PVC Construction\u003c\/strong\u003e\n      \u003cp\u003eMoulded from rigid PVC rated for cold-water pressure service — resistant to chlorine, mild acids, and biological fouling common in aquatic environments.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e💧\u003c\/span\u003e\n      \u003cstrong\u003eSolvent Weld Joint System\u003c\/strong\u003e\n      \u003cp\u003eChemical bonding with standard PVC solvent cement creates a monolithic, vibration-proof connection that does not loosen over time unlike push-fit alternatives.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e🐟\u003c\/span\u003e\n      \u003cstrong\u003eAquatic-System Ready\u003c\/strong\u003e\n      \u003cp\u003eWhite PVC is inert once cured — safe for use in fish tanks, koi ponds, and aquaponics loops where water quality and livestock safety are priorities.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\n      \u003cstrong\u003eFlexible Pack Quantities\u003c\/strong\u003e\n      \u003cp\u003eOrder 1, 2, or 5 pieces per fitting type to match your exact project bill of materials without over-buying or under-ordering.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003e📐 Technical Specifications — PVC Solvent Weld Pipe Fittings\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \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\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eInternal Diameter (ID)\u003c\/th\u003e\n\u003ctd\u003e16mm (~5\/8 in.)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCompatible Pipe OD\u003c\/th\u003e\n\u003ctd\u003e16mm metric PVC pipe\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eJoint Method\u003c\/th\u003e\n\u003ctd\u003eSolvent weld (PVC cement)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFitting Types Available\u003c\/th\u003e\n\u003ctd\u003eStraight Coupling, 45° Elbow, 90° Elbow, Tee Piece, 3-Way Elbow, 4-Way Elbow, ID 16×20mm Reducing Socket, OD×ID 20×16mm Socket, End Cap, Tank Connector \u0026amp; Bulkhead, 90° Tank Connector, Union Plain, 1m Pipe\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePack Quantities\u003c\/th\u003e\n\u003ctd\u003e1 Pcs, 2 Pcs, 5 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePressure Rating\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTemperature Range\u003c\/th\u003e\n\u003ctd\u003eCold water service (typically up to 20°C \/ 68°F continuous)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePipe Standard\u003c\/th\u003e\n\u003ctd\u003eMetric (not imperial BSP)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eAquariums, fish ponds, hydroponics, water features, low-pressure irrigation\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-faq\"\u003e\n    \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat pipe size do these fittings accept?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThese fittings have a 16mm internal diameter (ID) and are designed to accept standard metric 16mm OD (outer diameter) PVC pipe. They are metric-sized and are not directly compatible with imperial BSP pipe without an adapter.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eDo I need a special adhesive to join these fittings?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes — solvent weld fittings require PVC solvent cement (also called PVC glue or solvent weld adhesive). The cement chemically fuses the pipe and fitting into a single piece. Standard PVC solvent cement available at plumbing or hardware stores is compatible. Solvent cement is not included with the fittings.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these fittings safe for use in fish tanks and koi ponds?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eRigid white PVC is chemically inert once the solvent cement has fully cured (typically 24–48 hours before water contact). It does not leach plasticisers and is widely used in aquarium and pond plumbing. Always allow full cure time before introducing livestock.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan these fittings handle pressurised water lines?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThese are rated for cold-water pressure service typical of pond pumps and aquarium return lines. They are not rated for mains water pressure, hot water, or compressed air. If your application involves elevated pressure, contact us to confirm suitability before ordering.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the difference between the Reducing Socket and the ODxID 20x16mm Socket?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe \u003cstrong\u003eID 16×20mm Reducing Socket\u003c\/strong\u003e has a 16mm ID on one end and a 20mm ID on the other, allowing you to step down from a 20mm pipe to a 16mm pipe. The \u003cstrong\u003eODxID 20×16mm Socket\u003c\/strong\u003e is a slip socket where the outer dimension is 20mm and the bore is 16mm — used to connect 16mm pipe into a 20mm fitting or manifold port. Check your existing pipework dimensions before selecting.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhich fitting type should I choose for a tank wall penetration?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eUse the \u003cstrong\u003eTank Connector \u0026amp; Bulkhead\u003c\/strong\u003e for a straight-through wall penetration — it clamps to the tank wall with a nut and washer to create a watertight seal. Choose the \u003cstrong\u003e90° Tank Connector\u003c\/strong\u003e when you need the pipe to exit the tank at a right angle, which is useful in tight cabinet or sump installations where a straight run is not possible.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I choose between a 45° elbow, 90° elbow, 3-way elbow, and 4-way elbow?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eUse a \u003cstrong\u003e45° elbow\u003c\/strong\u003e for gradual direction changes that reduce flow restriction. Use a \u003cstrong\u003e90° elbow\u003c\/strong\u003e for right-angle turns in confined spaces. A \u003cstrong\u003e3-way elbow\u003c\/strong\u003e (also called a corner tee) joins three pipes meeting at a corner, while a \u003cstrong\u003e4-way elbow\u003c\/strong\u003e creates a cross-junction where four pipes meet at a single point — useful for manifold or grid-style plumbing layouts.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e\n    🛒 Select your Fitting Type and Amount above, then add to cart.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What pipe size do these fittings accept?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These fittings have a 16mm internal diameter (ID) and are designed to accept standard metric 16mm OD (outer diameter) PVC pipe. They are metric-sized and are not directly compatible with imperial BSP pipe without an adapter.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do I need a special adhesive to join these fittings?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — solvent weld fittings require PVC solvent cement. The cement chemically fuses the pipe and fitting into a single piece. Standard PVC solvent cement available at plumbing or hardware stores is compatible. Solvent cement is not included with the fittings.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these fittings safe for use in fish tanks and koi ponds?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Rigid white PVC is chemically inert once the solvent cement has fully cured (typically 24–48 hours before water contact). It does not leach plasticisers and is widely used in aquarium and pond plumbing. Always allow full cure time before introducing livestock.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can these fittings handle pressurised water lines?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These are rated for cold-water pressure service typical of pond pumps and aquarium return lines. They are not rated for mains water pressure, hot water, or compressed air.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the difference between the Reducing Socket and the ODxID 20x16mm Socket?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The ID 16x20mm Reducing Socket steps down from a 20mm pipe to a 16mm pipe. The ODxID 20x16mm Socket is a slip socket where the outer dimension is 20mm and the bore is 16mm, used to connect 16mm pipe into a 20mm fitting or manifold port.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Which fitting type should I choose for a tank wall penetration?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Use the Tank Connector \u0026 Bulkhead for a straight-through wall penetration. Choose the 90° Tank Connector when you need the pipe to exit the tank at a right angle.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose between a 45° elbow, 90° elbow, 3-way elbow, and 4-way elbow?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Use a 45° elbow for gradual direction changes that reduce flow restriction. Use a 90° elbow for right-angle turns. A 3-way elbow joins three pipes at a corner, while a 4-way elbow creates a cross-junction where four pipes meet at a single point.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"HomeDIYer","offers":[{"title":"1m Pipe \/ 1Pcs","offer_id":52331793580306,"sku":"GYYKBSGD0001x1","price":44.31,"currency_code":"USD","in_stock":true},{"title":"Straight Coupling \/ 1Pcs","offer_id":52331793613074,"sku":"GYYKBSGD0002x1","price":1.35,"currency_code":"USD","in_stock":true},{"title":"45 Degree Elbow \/ 1Pcs","offer_id":52331793645842,"sku":"GYYKBSGD0003x1","price":1.99,"currency_code":"USD","in_stock":true},{"title":"90 Degree Elbow \/ 1Pcs","offer_id":52331793678610,"sku":"GYYKBSGD0004x1","price":1.99,"currency_code":"USD","in_stock":true},{"title":"Tee Piece \/ 1Pcs","offer_id":52331793711378,"sku":"GYYKBSGD0005x1","price":2.31,"currency_code":"USD","in_stock":true},{"title":"3-Way Elbow \/ 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