Wastewater 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; Compressed Air; Chemical; Hydraulic; Water; Hot Water; Cold Water  ; Ground Water; Potable Water; Wastewater; Gas; Gasoline / Diesel Fuel; High Purity; LP Gas; Natural Gas
  • Maximum Pressure: 0.00 to 250.00
  • Valve Size: 0.05
  • Primary Material: Brass / Bronze; Stainless Steel (optional feature); Buna, EPDM, Viton, or Silicone Seals
Flood-Guard™ - Vertical One way Flow Check Valve
from General Pipe Cleaners

Flood-Guard ™ operates like a check valve to seal off water back-up caused by overloaded sewers. Water flows normally through the drain until the sewer begins to back up. Then the Flood-Guard ™ float rises to seal off the drain opening until the water recedes. A screwdriver and a couple... [See More]

  • Media: Water; Cold Water  ; Ground Water; Wastewater
  • Primary Material: Stainless Steel; Rubber
  • Valve Size: 2.00 to 4.00