A–B–C–D–E–F–G–H–I–J–K–L–M–N–O–P–Q–R–S–T–U–V–W–X–Y
QEV (Quick Exhaust Valve)
A one-way valve connected directly to the actuator cylinder. Having a large exhaust port, it allows fast dumping of air from the cylinder directly to atmosphere.
Qualification Test
Additional testing requirements are performed on a product to determine whether or not the product conforms to all of the requirements of a particular specification. This is generally done by a third independent party to qualify a product for a specific application. Also termed Performance Verification Test.