Air Backflow Preventers Datasheets

Miniature Low Cracking Pressure Check Valve -- CKV
from Beswick Engineering Co., Inc.

The check valve permits free flow in one direction and no (checked) flow in the opposite direction. This valve is specified in many applications because of its very low cracking pressure (typically less than 0.5 psig), its excellent repeatability, and leak-tight operation. The unique design of the... [See More]

  • Media: Air; Breathable; CompressedAir; Chemical; Hydraulic; Water; HotWater; ColdWater  ; GroundWater; PotableWater; Wastewater; Gas; Gasoline or Diesel Fuel; HighPurity; LP Gas; NaturalGas
  • Maximum Pressure: 0.00 to 250.00
  • Valve Size: 0.05
  • Primary Material: BrassBronze; StainlessSteel (optional feature); Buna, EPDM, Viton, or Silicone Seals
Dual Check Valve -- 9BD
from Watts

Dual Check Vacuum Breakers for Vending Machine Water Supply Lines. Series 9BD Dual Check Vacuum Breakers for Vending Machine Water Supply Lines prevent the reverse flow of contaminates, such as carbon dioxide gas and carbonated water, from entering the potable water supply. It consists of a... [See More]

  • Media: Air; CompressedAir; Water; ColdWater  ; PotableWater; Carbon Dioxide
  • Maximum Pressure: 150.00
  • Valve Size: 0.25 to 0.38
  • Media Temperature: 33 to 140