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Primaflow Gate Valve - 15mm - 302209

Primaflow Gate Valve - 15mm - 302209

The Primaflow 15mm gate valve is designed for efficient water flow control in cold feeds, tank sup...

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Product Information

Full details

The Primaflow 15mm Gate Valve (302209) is an ideal solution for plumbers and homeowners seeking reliable flow isolation for cold water feeds, tank supplies, and central heating circuits. Its primary benefit is the full-bore design, which minimizes pressure loss by allowing the gate to lift entirely out of the water path when fully open. One important caveat is that this valve is designed for use specifically in either the fully open or fully closed position, rather than for throttling or regulating flow, to ensure the internal seal maintains its integrity over time.

All features

Model Part Number302209
BrandPrimaflow

Extended Product Information

FAQs

Can I use this valve to regulate the flow of a radiator?

No, this is an isolation valve designed to be either fully open or fully closed. It is not designed for throttling flow.

Is this valve suitable for hot water systems?

Yes, it is designed for cold feeds, tank supplies, and general heating circuits, which includes domestic hot water pipework.

What is the primary advantage of a full-bore valve?

A full-bore valve allows the internal gate to pull completely out of the pipe diameter, ensuring zero flow restriction and no pressure drop.

How do I know if the valve is open or closed?

The rising wheel head moves vertically as you turn it; when the wheel is at its highest position, the valve is open.

Can this be installed in any orientation?

Yes, but it is generally recommended to install it in a position that allows easy access to the wheel handle for future operation.

Troubleshooting

Valve is difficult to turn after long periods of inactivity

Apply a small amount of penetrating lubricant to the valve spindle and gently work the handle back and forth to loosen deposits.

Small leak at the spindle area

Check the packing nut under the handle and tighten it slightly clockwise to compress the seal.

Water still flowing while valve is turned to closed position

Ensure the handle is turned until it physically stops; if it still leaks, there may be debris caught under the gate requiring a temporary flush.

Pros and Cons

Pros

  • Minimizes pressure loss due to full-bore design
  • Easy-to-grip wheel for simple operation
  • Reliable build quality compliant with BS5154
  • Suitable for a wide range of residential plumbing tasks

Cons

  • Not intended for throttling or partial flow control
  • Requires manual operation to fully seat the valve
  • Not suitable for high-velocity slurry or abrasive fluid lines

Setup, Compatibility & Care

This 15mm valve is compatible with standard 15mm copper or compatible plastic piping systems. During installation, ensure the valve is oriented correctly according to the directional flow markings if applicable. Use appropriate jointing compounds or PTFE tape as required by your specific piping material. For maintenance, it is recommended to cycle the valve (open and close it) at least once or twice a year to prevent mineral deposits or debris from seizing the internal mechanism. Do not overtighten the handle, as this can strain the internal gate spindle over time.

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