Semiconductor transducer or actuator utilizing corrugated suppor
Siphon with pressure priming and pneumatic reflux
Slide valve
Small flow control valve with cartridge type seating arrangement
Small flow control valve with tight shutoff capability
Spring diaphragm for shut-off valves and regulators
Spring-biased valve assembly for a gear pump
Springless diaphragm valve
Step opening gas valve
Sterilizable valve assembly
Tank car venting system
Thermostatic expansion valve
Throttling control valve
Turbocharger control actuator
Vacuum interface valve
Vacuum toilet system and discharge valve thereof
Vacuum valve
Vacuum valve control device and vacuum valve
Vacuum valve for a sewage collection system
Vacuum valve using improved diaphragm