sluice valve vacuum breaker backflow preventer air valve
backflow preventer backsiphonage preventer back-siphonage preventer vacuum breaking valve
vacuum release valve vacuum relief valve vacuum breaker air control valve
pressure controlled valve pressure control valve distributor valve slide valve
by-pass valve bypass valve discharge manifold exhaust regulator
dump valve pressure relief valve pressure-relief valve surge relief valve
surge valve relief valve dump valve quick-release valve
brake quick-release valve exhaust valve duck s beak exhaust valve
ball cock ballcock ballcock float valve float-controlled valve
float valve float valve air-brake control valve park-braking valve
park-braking control valve pressure proportioning valve trailer brake valve bib-valve
dual control valve butterfly valve cone valve ground-key valve
plug cock plug valve tapered plug valve primary braking unit
foot valve pressure protection valve drain cock condensate drain cock
air-pressure reducer reducer air-pressure reducing valve control valve
table regulating valve inversion valve spring-brake inversion valve pressure retaining valve
release control retainer retainer valve retaining valve opened-type check valve
double check valve two-way valve two-way check valve residual check valve
one-way check valve closed-type check valve air-pressure protection valve relief valve
maximum pressure valve safety valve dump valve fuel dump valve
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