The McAlpine FLEX-JKS is a flexible fitting designed for use in plumbing systems. It is manufactur...The McAlpine FLEX-JKS is a flexible fitting designed for use in plumbing systems. It is manufactured by McAlpine, a UK-based company that specializes in plumbing products. The FLEX-JKS features a BSP (British Standard Pipe) coupling nut on one end and a BSP male thread on the other end. This design allows the fitting to be easily installed in a variety of plumbing applications, including those that require a flexible connection between two pipes. The flexible design of the fitting allows for some movement between the pipes, which can help to reduce stress on the plumbing system and prevent leaks or damage. The FLEX-JKS is made from high-quality materials and is designed to be durable and long-lasting, providing reliable performance over time. Overall, the McAlpine FLEX-JKS is a versatile and reliable component of a plumbing system, particularly in situations where a flexible connection is required. Its BSP coupling nut and BSP male thread make it easy to install and compatible with a wide range of plumbing systems. Available in 1¼", 1½", and 2" sizes. Offers complete flexibility for any required angle or offset. Universal Outlet Connection and PVC Plain Spigot to BS EN 1329-1:2000. Approximate adjustable lengths below. The flexible connector extends from 165 mm to 250 mm, perfect for awkward or tight sink trap fitments. One end is a universal compression outlet, and the other is a plain PVC-U spigot, fitting multifit and solvent-weld traps. Durable polypropylene construction remains flexible at any angle without affecting flow rate. Complies with BS EN 1451-1:2000 standards, making it reliable for domestic sink basins and repair work.
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Product Information
Full details
This guide is for plumbers and DIY enthusiasts needing a reliable and flexible plumbing solution. The McAlpine FLEX-JKS provides a versatile connection for various plumbing applications, particularly where a flexible joint is needed. While offering excellent flexibility and ease of installation, be mindful of the fitting's size limitations and ensure compatibility with your existing plumbing system.
All features
Model Part Number
FLEX-JKS
Brand
McAlpine
Extended Product Information
FAQs
What materials is the FLEX-JKS made from?
The FLEX-JKS is made from durable polypropylene.
What sizes are available?
The FLEX-JKS is available in 1¼", 1½", and 2" sizes.
Does it comply with any standards?
Yes, it complies with BS EN 1451-1:2000 and BS EN 1329-1:2000.
What kind of connections does it have?
It has a BSP (British Standard Pipe) coupling nut and a BSP male thread.
Where can I use this fitting?
It's suitable for domestic sink basins and other plumbing applications where flexibility is needed.
How do I clean the FLEX-JKS?
Clean it with a mild detergent and water.
Can I use harsh chemicals to clean the fitting?
No, avoid using harsh chemicals or abrasive cleaners.
Troubleshooting
Leakage at the connection points
Tighten the coupling nut and spigot connections. Check for any damage to the seals and replace if necessary. Ensure that the connections are aligned correctly and not cross-threaded.
Reduced water flow
Check the fitting for kinks or obstructions. Straighten the fitting if it is bent. Clear any debris that may be blocking the flow.
Difficulty in connecting the fitting
Ensure that the pipe ends are clean and free of debris. Use appropriate pipe lubricant to ease the connection. Ensure that the fitting size matches the pipe size.
The fitting is too short/long
Adjust the fitting's length within its specified range (165mm to 250mm). Ensure that the connection points are within the fitting's operational range.
Pros and Cons
Pros
Provides flexibility for angled or offset installations.
Easy to install with BSP connections.
Compatible with a wide range of plumbing systems.
Durable and long-lasting polypropylene construction.
Complies with industry standards for reliability.
Adjustable length accommodates various configurations.
Cons
Limited to specific size options (1¼", 1½", and 2").
May require additional fittings depending on the existing plumbing setup.
Not suitable for applications requiring extreme flexibility beyond the specified range.
Requires careful alignment to avoid leaks during installation.
Setup, Compatibility & Care
Installation:
Ensure the water supply is turned off before starting.
Connect the BSP coupling nut to the existing pipework.
Connect the PVC-U spigot to the waste trap or drainage pipe.
Adjust the length of the flexible connector as needed.
Tighten all connections securely, but avoid over-tightening.
Compatibility:
Compatible with a wide range of plumbing systems, including domestic sink basins.
Suitable for use with both multifit and solvent-weld traps.
Available in 1¼", 1½", and 2" sizes; select the appropriate size for your application.
Care:
Inspect the fitting periodically for leaks or damage.
Clean the fitting with a mild detergent and water if necessary.
Avoid using harsh chemicals or abrasive cleaners.
Ensure that the fitting is not exposed to extreme temperatures or direct sunlight for extended periods.
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