Primaflow Stopcock - Female BSP - 1 inch

The Primaflow 1 inch stopcock is designed to provide an efficient way to shut off the water supply...

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eBayPrimaflow VSFZ DZR Stopcock F x 1"" - 101660
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Product Information

Full details

The Primaflow 1 inch stopcock is an essential plumbing component designed for homeowners and professional tradespeople who require reliable, localized control over their water supply. By allowing users to quickly shut off water to specific branches or the entire mains system, it facilitates easy maintenance and repairs without the need to drain the building's entire plumbing infrastructure. While highly durable, users should note that proper installation requires a solid understanding of plumbing sealing techniques to prevent leaks at the threaded connections.

All features

Model Part Number101660
BrandPrimaflow

Extended Product Information

FAQs

What does BSP stand for?

BSP stands for British Standard Pipe, which is a set of technical standards for screw threads used in the plumbing industry.

Can I use this stopcock for gas lines?

No, this valve is specifically designed for water supply systems and is not rated for use with gas lines.

Does this valve include mounting hardware?

The stopcock is a standalone component; you will need appropriate male threaded adapters to integrate it into your plumbing system.

Should I use pipe sealant or tape?

PTFE tape (plumber's tape) or a suitable pipe thread sealant compound is recommended to ensure a leak-free connection.

Can this be installed horizontally or vertically?

Yes, this stopcock can be installed in either orientation, provided there is enough space to operate the handle comfortably.

Troubleshooting

Water continues to flow when the valve is closed

Check if the internal washer has become dislodged or worn; the valve may need to be replaced if the internal seal is damaged.

Leakage at the threaded connection

Shut off the water, unscrew the fitting, reapply high-quality PTFE tape, and tighten firmly without applying excessive force.

Pros and Cons

Pros

  • Durable construction ensures a long service life
  • Allows for easy maintenance without total system drainage
  • Standard BSP threading for broad compatibility
  • Reliable water flow control for residential and commercial use

Cons

  • Requires proper sealing materials like PTFE tape
  • Not suitable for high-pressure industrial steam applications
  • Requires manual access to the valve location

Setup, Compatibility & Care

Installation of the Primaflow stopcock involves connecting the valve to your existing pipework using the integrated female BSP threads. Always apply appropriate thread-sealing tape or plumbing joint compound to the male threaded adapters before assembly to ensure a watertight seal. Ensure the valve is oriented in the correct flow direction if marked, and avoid over-tightening the threads, which can crack the housing. For ongoing maintenance, operate the valve once every few months to prevent mineral build-up within the internal mechanism, ensuring the handle remains smooth and responsive over time.

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