Example: air traffic controller
Search results with tag "Pvb4a"
Model PVB4A & PVBLF4A STANDARD OR LEAD FREE*
sprinklertalk.comEasily removable modular check valve cartridge • • • Captured stainless steel springs • Apollo® ball valves w/ SS handles & nuts standard • Test cocks located for easy draining • Corrosion resistant
deSCRiPTion PeRFoRmAnCe RATinG - Apollo Safety and …
apollovalves.companyThe Apollo® Model PVB4A Pressure Vacuum Breakers prevent contamination of the potable water supply due to back-siphonage. An integral freeze protection relief valve serves to reduce the
PVB4A Series - Main Page - SPRINKLER TALK FORUM
sprinklertalk.comThe Apollo PVB4A Series Pressure Type Vacuum Breaker consists of a replaceable check valve cartridge and a unique one-piece atmospheric vent bonnet/float assembly located between two resilient