A PVC flange makes a bolted joint between PVC pipe and pumps, valves or tanks. It lets you remove equipment without cutting the pipe.
The flange bonds to the pipe with solvent cement. In addition, the PVC body does not corrode, so it suits treatment works and pool plant rooms.
What is a PVC flange?
A PVC flange is a plastic flange that joins a PVC pipe to a valve, pump or another flanged pipe with bolts. The pipe bonds into the flange with solvent cement, and a gasket seals the flange faces.
Flanged joints can be opened for maintenance. Therefore, they suit plant rooms, treatment works and pump stations where equipment must be removed.
Further reading
- Pipe flanges: types and uses (Wikipedia)
- Polyvinyl chloride (PVC) (Wikipedia)
- What gaskets do and how they seal (Wikipedia)
Key terms explained
- Flange
- A flat ring with bolt holes used to bolt pipes and equipment together.
- PCD
- Pitch circle diameter, the circle through the bolt hole centres.
- Gasket
- A soft ring between flange faces that seals the joint.
- Stub flange
- A plastic collar with a loose backing ring, a common PVC flange design.
Features and benefits
- Bolted joint that opens for maintenance.
- Corrosion-free PVC body.
- Solvent cement socket for PVC pipe.
- Light to handle and fit.
Technical specifications
| Product | PVC flange |
|---|---|
| Material | PVC |
| Pipe joint | Solvent cement socket |
| Drilling | Confirm PN or ANSI with quote |
| Sizes | State your pipe size when you request a quote |
| Supplier | Sparks Plumbing Experts Ltd, Nairobi |
Drilling, rating and design (stub or solid) depend on stock. Send the size and the mating flange details.
Applications of a PVC flange
- Pump connections. Joins PVC pipe to flanged pumps.
- Valve connections. Joins PVC lines to flanged valves.
- Water treatment. Joins chemical-resistant PVC lines in treatment plants.
- Irrigation headers. Connects filters and valves on irrigation mains.
- Tank outlets. Connects PVC lines to flanged tank nozzles.
- Swimming pools. Joins pool pumps and filters.
- Aquaculture. Connects pumps and pipework on fish farms.
- Chemical dosing. Joins dosing lines where PVC suits the chemical.
How to choose and install
- Match the pipe size and the flange drilling to the mating flange.
- Use a gasket suited to the fluid.
- Tighten bolts evenly and gently, because plastic flanges crack if overtightened.
- Support pumps and valves so the flange does not carry their weight.
Why choose Sparks Plumbing Experts
- Valves, flanges and gaskets togetherComplete a pipeline joint with matching valves, flanges, gaskets and bolts.
- Pressure-rated optionsMany items come in PN16, class 150 or class 300 ratings, so you can match the line.
- Stainless and carbon steelChoose stainless for corrosion resistance or carbon steel where it suits the service.
- Plant maintenance sparesKeep critical spares on hand for planned shutdowns and breakdowns.
- Visit or collect in NairobiOur store is at KCB Building, Enterprise Road, in the Industrial Area, so you can see parts before you buy or collect your order.
- Quotes your wayAsk for prices by phone, WhatsApp, email or the online quote form, whichever suits you on site.
- Over 1,600 products in one placeOur catalogue covers 55 categories, so one supplier can handle most of your parts list.
- Help choosing the right partSend a nameplate photo, a drawing or the old part, and we help you match size and specification.
- Single items or project quantitiesWe price a single replacement part just as readily as a full site order.
- Supply across East AfricaWe serve customers across Kenya, and we also supply buyers in Uganda and Tanzania.
Related products and accessories
Browse more: Flanges · PVC, uPVC & CPVC Pipes & Fittings · Gaskets · Valves.
Ordering from Sparks Plumbing Experts
We supply customers across Kenya, and we also serve buyers in Uganda and Tanzania. You can collect from our store at KCB Building, Enterprise Road, Nairobi, or ask us about delivery to your site. Send your quantities and specifications, and we will reply with prices and availability.
Request a Quote WhatsApp 0726 086 895
Frequently asked questions
What sizes of PVC flange can I order?
Tell us the pipe size and drilling, and we will confirm availability.
Can I order PVC flanges in bulk?
Yes. Include sizes and quantities in your quote request.
What details do you need to quote PVC flanges?
Tell us the pipe size, the drilling of the mating flange and the quantity. A photo of the old part, a nameplate or a drawing also helps. Then call or WhatsApp 0726 086 895, or use the quote form on this page.
Do you deliver PVC flanges outside Nairobi?
Yes. We supply customers across Kenya, and we also serve buyers in Uganda and Tanzania. Delivery or courier arrangements are agreed when you confirm the order.
How much does a PVC flange cost in Kenya?
The price depends on the size, the drilling and the quantity. Therefore, send your list with a quote request and we will reply with current figures.
Will a PVC flange bolt to a steel flange?
Yes, if the drilling matches. Tighten gently and evenly, because PVC is softer than steel.
Does a PVC flange need a gasket?
Yes. A gasket between the faces makes the seal.
Can PVC flanges carry hot water?
No. Standard PVC is for cold service.
How long before a glued PVC flange takes pressure?
Let the solvent cement cure as the tin instructs before testing.
Are PVC flanges suitable for chemicals?
PVC resists many chemicals. Confirm compatibility for your fluid first.
Can I reuse a PVC flange gasket?
Fit a new gasket whenever you open the joint, because old gaskets often leak.
People also search for
PVC flange vs steel flange
PVC flanges resist corrosion and suit PVC pipe. Steel flanges handle higher loads and temperatures.
how to install a PVC flange
Glue the flange to the pipe, let it cure, fit the gasket, then tighten the bolts evenly.
PVC flange bolt torque
Use only moderate torque and follow the maker guidance, because plastic can crack.
PVC flange price in Kenya
Prices change with size, model and quantity. Request a quote from Sparks Plumbing Experts for current figures.
PVC stub flange
A stub flange is glued to the pipe and held by a loose metal or plastic backing ring.
flange drilling standards
Common drillings include PN10, PN16 and ANSI. Check both flanges match.
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