Type 369 Wafer Check Valve


GF Piping Systems Wafer Check Valve Type 369 is designed especially for large installations, demands low service effort, and is compact. The size range, combined with its simple installation ability, unique spring option for horizontal mounting, and excellent flow characteristics, make it an ideal check valve solution for a variety of applications.

Installation could not be simpler: the valve is inserted between two standard ANSI or ISO/DIN flanges, for extremely easy installation or removal in the field.

The Wafer Check Valve can be installed either horizontally or vertically.

Product Overview

Technical Data:

Size Range:

  • 1½" - 12"

Pressure Rating:

  • 90 PSI

Joining Technology:

  • Flanges

Standard Ratings:

  • ASTM
  • ISO


  • Polyvinyl Chloride (PVC)
  • Polypropylene (PP-H)
  • Polyvinylidene Fluoride (PVDF)


  • EPDM
  • FPM

Fields of Application:

  • Chemical Process Industry
  • Water Treatment


  • Self-closing (gravity, water column)
  • Highly abrasive materials
  • Simple installation between standard flanges (see product range)
  • Optimized sealing (flange seal)




  • Spring in 316 Stainless Steel or Hastelloy C