Pressure regulating valve

Slidable valve for fluid flow line

Hydraulic flow control valve with flow rate setting adjustability

Spool valve assembly apparatus using air vortex insertion

Spool valve apparatus and method

Lined valve

Annular port construction for valve applications

Air valve for an air driven reciprocating device

Method for repair of regulator poppet and seat

Methods and apparatus for maintaining pressure gain in a servovalve assembly

Solenoid valve, manufacturing method thereof and binding method between iron-based material and aluminum-based member

Annular port construction for valve applications

Screw-in valve

Digitally controlled modular valve system

System for treating fluids

Injection device for internal combustion engines comprising a control valve and a valve for controlling the supply of fuel to an injection device

Pneumatic servo valve

Capacity control valve

Oil passage switching valve having oil filter

Torque converter clutch regulator valve assembly and method of installation

Water valve utilizing push-pull handle to control water flow therethrough

Electromagnetic valve manifold

Valves with multi-piece sleeves

Two-dimensional motor-direct-driving electro-hydraulic servo valve with adjustable null position

Differential ambient pressure powered hydraulically driven generator battery

Faucet with pipe-in-pipe structure