hose-connection-vacuum-breaker
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hose connection vacuum breaker
Standards
a device fitted to a hose-tap to prevent backflow in a water reticulation system caused by either back-siphonage or backpressure, which operates automatically to admit air into the system under back-siphonage conditions and vents the system to atmosphere under backpressure conditions
Source - AS/NZS 3500.0:2003: Plumbing and drainage
Standards
see backflow prevention devices
Source - AS/NZS 3500.0:2003: Plumbing and drainage
HB50
hose connection vacuum breaker
HB50
device fitted to a hose-tap to prevent backflow in a water reticulation system caused by either backsiphonage or backpressure, which operates automatically to admit air into the system under backsiphonage conditions and vents the system to atmosphere under backpressure conditions