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Compression Unichecks

PVC plastic, compression-type unicheck valves

 
 
Features andBenefits
TechnicalData
Literature and Documents

PVC Plastic Compression Type Unicheck:

  • Full-flow, non-clog design
  • Checks backflow of water and sewer gas
  • Durable PVC-constructed check body and compression end fittings
  • Compression end fittings allow easy installation, no threading of pipe required
  • Corrosion-resistant, non-metallic parts
  • Buna N flapper, double shielded with PVC
  • Buna N compression ring seals
  • Reduces motor and pump noise from plumbing system
  • Designed for both horizontal and vertical usage
  • Pressure rated at 25 PSI (57' [17 m])
  • Consult factory if use over 130° F (54° C) required
  • Suitable for installation below basin cover
  • P/N 30-0030, P/N 30-0020, P/N 30-0015, P/N 30-0025*, P/N 30-0204*
  • * Compression union, solvent-weld end fittings
Notes

 

Model Comparison Charts

Dimensional Data Drawings

Caution

Water hammer creates momentary high pressure surges. These surges can cause severe damage to check valves and the piping system. Consideration for water hammer must be included in the piping system design. Reference ASPE Data Book, Chapter 2.33. May require check valves with special non-slam features or other engineered solutions.

Literature and Documents

 

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