MSL Waste Pipe Knuckle Bend - 50Mm - Pack of 5
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Product Information
Full details
This guide is for plumbers and DIY enthusiasts working with wastewater drainage systems. The MSL Waste Pipe Knuckle Bend (50mm, pack of 5) provides a secure and permanent 90-degree angle for your plumbing, ensuring efficient wastewater flow. A key caveat is its specific compatibility with 56mm solvent weld pipes only; it is not suitable for 50mm pipes or those requiring pushfit or compression fittings. Key features include a sharp 90-degree turn, solvent weld connection, and suitability for wastewater applications.
All features
| Model Part Number | PRWSWB-50B |
|---|---|
| Brand | MSL |
Extended Product Information
FAQs
What size pipe is this knuckle bend for?
This knuckle bend is specifically designed for 56mm (2 inch) solvent weld pipes and fittings.
Can I use this with 50mm pipes?
No, this product is not compatible with 50mm pipes or fittings. For those, you would need 50mm pushfit or compression fittings.
Do I need special glue for this?
Yes, you need to use a solvent weld cement specifically designed for joining PVC or ABS waste pipes. This is not included with the fitting.
Is this suitable for rainwater pipes?
No, this knuckle bend is intended for wastewater applications only and should not be used for rainwater drainage.
How do I install it?
Clean and dry both surfaces, apply solvent weld cement to both, and push the pipe into the fitting with a slight twist. Hold for the recommended time and allow to cure fully.
What does 'knuckle bend' mean?
A knuckle bend is a term for a type of pipe fitting that creates a sharp, often tight, angle, in this case, 90 degrees, allowing for efficient redirection of pipe flow.
How many bends are in a pack?
This product is supplied as a pack of 5 knuckle bends.
Troubleshooting
Joint leaks after installation
Ensure the correct type and amount of solvent weld cement was used. Verify that the pipe and fitting were clean and dry before application, and that the joint was held securely while setting.
Difficulty fitting pipe into the bend
Confirm you are using 56mm solvent weld pipe as this fitting is not compatible with other sizes or types (e.g., 50mm pushfit).
Pipe does not align correctly
Re-evaluate the pipe run. Ensure sufficient pipe length is available and that the bend is positioned correctly before applying cement. Solvent weld connections are permanent once made.
Pros and Cons
Pros
- Provides a clean, sharp 90-degree angle for efficient pipe routing.
- Solvent weld connection ensures a permanent and reliable seal.
- Durable construction suitable for wastewater applications.
- Comes in a pack of 5, offering good value for multiple installations.
- Specifically designed for 56mm solvent weld pipe systems.
Cons
- Not compatible with 50mm pipe sizes.
- Requires separate purchase of solvent weld cement for installation.
- Only suitable for wastewater, not rainwater systems.
- Cannot be used with pushfit or compression fittings.
- Permanent connection means it cannot be easily disassembled or repositioned.
Setup, Compatibility & Care
Setup:
- Ensure the ends of the 56mm solvent weld pipe and the internal surface of the knuckle bend are clean and dry.
- Dry fit the components to confirm alignment and required angle.
- Apply a suitable solvent weld cement evenly to both surfaces to be joined.
- Immediately push the pipe into the fitting with a slight twisting motion.
- Hold the joint firmly for the manufacturer's recommended time to prevent movement while the cement sets.
- Allow the joint to cure fully according to the cement manufacturer's instructions before running water through the system.
Compatibility:
- Compatible with: 56mm (2 inch) solvent weld pipe and fittings.
- NOT compatible with: 50mm pipe or fittings.
- NOT compatible with: Pipes or fittings requiring pushfit or compression.
- NOT compatible with: Pipes with PP printing (check manufacturer guidance for specific compatibility).
- Intended Use: Wastewater applications only.
Care:
These fittings are designed for permanent installation and require no specific ongoing care. Ensure the connected pipework is free from blockages to maintain optimal performance. Regular checks for leaks at joints are recommended as part of general plumbing maintenance.