One of the most common components in an engine’s emissions control system is the positive crankcase ventilation valve, or PCV valve. Its job is to allow the air and fuel vapor that gets past ...

This subcommittee will address control valves that directly transmit actuator linear motion to the closure components. This would normally include such styles as globe and cage valves. This ...

Managed by the transmission control module (TCM), these solenoids ... this degradation since they have purely mechanical ...

An audio amplifier with a high gain may be desirable. But control valves are mechanical devices, and parts that move while in contact with each other tend to stick when not moving. If a valve, because ...