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A typical commercial vehicle air braking system requires, at minimum, around a dozen core pneumatic valves to meet baseline regulatory standards. And these days, there’s no “typical” air brake system ...

Hydraulic-over-air relay valves are designed to convert hydraulic-modulated input pressure to a proportional output air pressure. The valves are suited for on and off-highway applications ...

MARSHALL TOWN, IA, Sept. 19 2003 — Emerson’s Fisher valve division has begun full operation of its newest PlantWeb Dynamic Performance Lab at the division’s Marshalltown, IA research and engineering ...

studying control valve user requirements for dynamic performance of control valves defining of terms, performance categories, test methods and instrumentation, performance parameters, specification ...

Cleaning the idle air control valve (IACV) on your vehicle periodically helps keep carbon and other particles from building up on the valve, which can negatively affect the operation of the car.