Dispensing cock for liquid, notably for beer

Diverter valve assembly and method

Diverter valve construction and method of making same

Double block and vent valve

Double metal seal

Double poppet valve

Double sealed valve

Double seat flow control valve

Double seat valve

Double seat valve

Double seat valve with a controlled leakage cavity

Double seat valve with cleanable seats

Double seat valve with leak control

Double-disk slide valve

Double-seal flexible gate valve

Double-seat valve

Double-seat valve unit leakage control

Double-seated valve

Drain through ball valve

Draining valve for waste paper processing appliances