Air passage changeover device having film screen

Al alloy poppet valve

Al or Al alloy poppet valve and a method of manufacturing the sa

Annular sealing device having a positive stop means for use...

Apparatus and method for inhibiting the leaching of lead in wate

Apparatus for sealingly enclosing a check valve

Apparatus to connect a stem to a valve member

Arrangement for fixing friction patches on a gate valve shutter

Article having a hard lubricious coating

Automatic swimming pool cleaners and components thereof

Backflow-preventing valves for injection-molding machines

Bakeable vacuum systems

Ball valve for fluids with seats comprising laminated rings

Ball valve having metal seat rings

Ball valve seat

Banded valve plug head

Body for valve and method for manufacturing the same

Bonded valve seat

Bonnet lock

Bonnet locking system for a valve