Pegler Proflow 2 Commission Valve - 126028

The Pegler ProFlow type 1260 balancing valve features female thread connections and serves as a wi...

Best current price£276.92from City Plumbing GB

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City Plumbing GBProflow Women's 2 1260Sf Commission Valve Fxf 126028
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B&Q - Proflow 2 1260Sf Commission Valve Fxf 126028
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Product Information

Full details

The Pegler Proflow 2 Commission Valve is designed for HVAC engineers and installers who require a reliable and accurate solution for hydronic system balancing. Its standout feature is the fixed orifice design, which allows for rapid, precise flow measurement and system commissioning, though users should note that the female-threaded design requires specific plumbing compatibility to ensure a leak-free installation.

All features

Model Part Number126028
BrandPegler

Extended Product Information

FAQs

What does FODRV stand for?

FODRV stands for Fixed Orifice Double Regulating Valve.

Can this valve be used for isolation?

Yes, the valve includes an integrated shut-off function, allowing it to act as an isolation valve.

Why is the fixed orifice important?

The fixed orifice provides a constant Kv-value, which allows for fast and accurate flow measurement during system balancing.

What is the purpose of the memory stop?

The memory stop allows you to close the valve for maintenance and return it to the exact previous balancing position without recalibration.

Are specific tools required to adjust the valve?

The valve is designed for manual operation via the grip handle; however, a standard differential pressure meter is required for commissioning flow rates.

Is this valve suitable for both heating and cooling systems?

Yes, it is designed for versatile use in various hydronic heating and cooling applications.

Troubleshooting

Difficulty obtaining an accurate flow reading

Check that the differential pressure meter probes are firmly connected and that the system pump is running at the intended design speed.

Valve leaking at the thread connection

Check that the thread sealant was applied correctly and verify that the pipe threads match the valve's female connection specifications.

Handle is stiff or difficult to turn

Ensure no external mechanical stress is being applied to the valve body and clear any physical obstructions around the handle mechanism.

Pros and Cons

Pros

  • Precise flow measurement due to fixed Kv-value
  • Dual-function design saves space by integrating shut-off
  • High-quality construction for long-term reliability
  • Simplified commissioning process for HVAC systems

Cons

  • Requires professional plumbing installation
  • Female thread connections limit compatibility with some pipe types
  • Manual adjustment requires physical access to the valve

Setup, Compatibility & Care

For installation, ensure the valve is oriented in the direction of flow as indicated on the valve body. The female threads should be sealed using appropriate plumbing sealant or PTFE tape to prevent leaks. The valve is maintenance-free under normal operating conditions; however, it is recommended to exercise the handle periodically to ensure the internal mechanism remains free. Avoid using harsh chemical cleaners on the valve body, as these may compromise the seal or exterior finish. Ensure the system is flushed of debris before final commissioning to prevent blockage of the orifice.

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