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The Primaflow 28mm gate valve is an essential component for both professional plumbers and DIY enthusiasts who need a reliable method to isolate water flow within a 28mm plumbing system. Its primary benefit is allowing for localized maintenance and repairs, such as replacing a radiator or faucet, without the necessity of draining the entire household water system. However, users should note that as a gate valve, it is designed for full-open or full-closed operation rather than flow regulation, and it requires sufficient clearance for the handwheel to rotate fully.
| Model Part Number | 102360 |
|---|---|
| Brand | Primaflow |
No, gate valves are designed for full open or full closed operation and are not suitable for throttling or regulating water flow.
No, compression fittings create a seal using the olive and nut mechanism. PTFE tape is typically used on tapered pipe threads, not compression threads.
Yes, it is highly durable and well-suited for use in domestic central heating pipework.
While it varies by installation, the brass construction is designed for standard household water pressure ratings. Always check your local plumbing codes.
Gate valves are generally bi-directional, meaning they can be installed to allow flow in either direction.
Ensure the pipe is cut square and free of burrs. Tighten the nut slightly more with a wrench to seat the olive properly against the pipe.
Do not use excessive force. Apply a small amount of silicone-based plumbing lubricant to the spindle threads and gently work it back and forth.
Check for debris caught in the gate seating area by opening and closing the valve several times. If it still fails, the internal seat may be worn.
Installation requires two adjustable wrenches or pipe spanners. To install, cut your 28mm pipe cleanly, ensure the ends are de-burred, and slide the compression nut and olive onto the pipe before inserting the pipe into the valve body. Tighten the nuts manually, then apply a final turn with your wrenches until firm. Avoid over-tightening as this may deform the olive. For long-term care, operate the valve at least once every six months to prevent lime scale buildup on the gate mechanism. Keep the valve in either a fully 'open' or fully 'closed' position during normal operation to prevent internal vibration and premature wear on the seating area.
