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Figure 87L

  • Manufacturer: EMERSON
  • Valve Type: Check Valves - Swing Check / Dual Plate Check / Ball Check / Piston Check / Flap Check / Wafer Check / Non Slam Check
  • Sub-Type: Keystone Check Valves
  • Double flanged design.
  • The flap is totally encapsulated in NBR rubber for superior sealing and corrosion resistance.
  • The flap rises above the flowpath reducing wear and allows for a flushing action during operation.
  • All iron components are coated in fusion bond epoxy resin.
  • Top entry cover allows for easy access for cleaning and maintenance.
  • Full flow design for less head loss, less debris accumulation and easy maintenance.
  • Lower open pressure and excellent seal performance of low pressure.
  • Simple construction with the flap the only moving part.
  • 45┬░ seat angle reduces flap travel, minimising slamming and resultant pipe damaging water hammer.
  • Accessories including limit switches and backflow actuator.


The F87L is a resilient seated double flange rubber disc check valve for reliable reverse flow protection in sewage/water applications


Product Tags

Check Valve Emerson Keystone Check Valve

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