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Spec Sheet

A standard check valve may produce a sound when the water flow reverses in a discharge pipe after a pump stops. If you’d like your pump to stop with reduced water hammer or a quieter operation, the Quiet Check Valve from Zoller Pump Company offers a perfect solution. It can also help protect your pump by providing reliable backflow prevention.

This quiet valve offers the features provided in a standard check value with the addition of a hinged, spring-loaded flapper. This mechanism makes the flapper fully close against the fluid flow as the pump shuts down. Rapid closure against pressure before any flow reversal can occur eliminates the noise caused by hydraulic shock.

The PVC solvent weld with a union check valve offers high performance in plumbing systems. Designed for full flow with a clog-resistant design, it allows horizontal and vertical usage without requiring threading. With compression end fittings, the construction provides incredible durability, while solvent-weld ends with unions allow for easy installation below a basin cover.

Features:

  • 1/2 lb. (0.23 Kg) spring "magically" eliminates water hammer
  • Reduces motor and pump noise from plumbing system
  • Designed for both horizontal and vertical usage
  • Full-flow, non-clog design installation
  • Durably-constructed PVC check body and compression end fittings
  • Solvent-weld ends with unions allow for easy installation
  • 30-0044 and 30-0045, no unions, solvent-weld only
  • No threading of pipe required
  • Pressure rated at 50 PSI (115' [35 m])
    40 PSI (92' [28 m]) for P/N 30-0241 and 30-0242
    30 PSI (69' [21 m]) for P/N 30-0243 and 30-0244
  • Consult factory if use over 130 °F (54 °C) required
  • Suitable for installation below basin cover
    Specifications:
    • Pipe Size: 2" / DN50
    • Length: 16"
    • Valve Body: White
    • Weight: 4 lbs.



    Pipe Size: 2" / DN50
    Length: 16"

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