Polypipe Solvent Soil Coupler - 110mm - Black
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Product Information
Full details
This Polypipe System 2000 Solvent Weld Coupler is designed for plumbers and DIY enthusiasts needing a robust and permanent joint for 110mm PVCu soil and vent systems. Its key benefit is the creation of a secure, homogenous, and leak-proof connection ideal for concealed applications. A minor consideration is the requirement for solvent cement, which needs careful handling and application.
All features
| Model Part Number | SWH16B |
|---|---|
| Brand | POLYPIPE BUILDING PRODUCTS |
Extended Product Information
FAQs
What is the primary purpose of this solvent weld coupler?
Its primary purpose is to create a strong, permanent, and leak-proof joint between two sections of 110mm PVCu soil and vent pipe, especially in applications requiring high security.
Do I need a special tool to install this coupler?
No special tools are required beyond standard pipe cutters, sandpaper/emery cloth for preparation, and applicators for the solvent cement.
Can this coupler be used for waste water pipes?
Yes, it is suitable for use with PVCu soil and vent pipes which are part of a waste water drainage system.
How long does the joint take to set?
The initial set takes around 30 seconds to allow you to release pressure, but full cure times vary depending on the solvent cement used and ambient conditions. Always refer to the cement manufacturer's guidelines.
Is this coupler suitable for hot water pipes?
No, this coupler is designed for cold waste water and soil discharge systems (PVCu). It is not rated for hot water applications.
Can I reuse this coupler if I make a mistake?
No, once solvent cement is applied and the joint is made, it creates a permanent bond and cannot be reused or disassembled without cutting.
What is the difference between solvent weld and push-fit systems?
Solvent weld creates a permanent, fused joint using chemical bonding, offering superior security. Push-fit systems use rubber seals and mechanical connections, allowing for disassembly but potentially offering less long-term rigidity.
Troubleshooting
Joint leaks after installation
Ensure the pipe was fully inserted and held during initial set. Re-check if pipes were clean and properly prepared before gluing. If the leak is minor and occurs very soon after, a small amount of additional solvent weld might be applied carefully, but a full re-do is often best for permanent fixes.
Pipe not fully seating into coupler
Verify that the pipe ends and coupler socket are the correct size (110mm). Ensure no debris is obstructing the socket. Check if the pipe has been deformed or if the coupler has been damaged.
Solvent cement not bonding the joint
Confirm that the correct type of solvent cement for PVCu was used and that it has not expired. Ensure surfaces were clean, dry, and adequately primed/prepared before application. The joint must be held for the initial 30 seconds.
Pros and Cons
Pros
- Creates a highly secure and permanent joint.
- Ensures a leak-proof connection for reliable drainage.
- Suitable for use in concealed applications like boxings and ducts.
- Made from durable PVCu material for longevity.
- Integrates easily with other Polypipe System 2000 components.
Cons
- Requires the use of solvent cement, which has fumes and requires proper ventilation.
- Joint cannot be disassembled once solvent welded.
- Application requires precision; incorrect mixing or application can lead to joint failure.
- Not suitable for above-ground visible installations where aesthetics are critical without further finishing.
Setup, Compatibility & Care
Setup:
- Preparation: Ensure pipe ends and the inside of the coupler are clean, dry, and free from dust or grease. Lightly abrade the surfaces to be joined using sandpaper or an emery cloth.
- Primer (Optional but Recommended): Apply a suitable PVCu primer to the prepared surfaces to clean and soften the plastic, ensuring optimal adhesion.
- Solvent Cement Application: Apply a consistent, even layer of solvent cement to both the pipe end and the inside of the coupler socket.
- Joining: Immediately push the pipe fully into the coupler socket with a quarter-turn twist. Hold firmly for approximately 30 seconds to prevent push-back while the cement sets.
- Curing: Allow the joint to cure according to the solvent cement manufacturer's instructions. Avoid stressing or disturbing the joint during the initial curing period.
Compatibility:
- This coupler is designed for use with 110mm PVCu soil and vent pipes.
- It is part of the Polypipe System 2000 Soil & Vent range. For best results, use with other Polypipe components.
- Always use a solvent cement specifically formulated for PVCu pipe systems.
Care:
- No specific maintenance is required for the coupler itself once installed.
- Ensure the external drainage system is clear of blockages to maintain optimal flow and reduce strain on joints.