Screw valve

Related to Screw valve: ball valve, Gate valve
a stop valve which is opened or closed by a screw.

See also: Screw

References in periodicals archive ?
Tenders are invited for Adjusting Screw Valve Lever Fully Machined To Drg.
Supervisory switches help prevent tampering or incorrect setting of valve controls, including outside screw valve monitoring and yoke, post indicator, butterfly or non-rising stem gate valve types.
EDI also recently brought out the Proteus feedblock that has 15 interconnecting flow channels, each with its own independently adjustable screw valve.
Supply of screw valve sealing M/C (shrink sealing M/C) for plastic ribbons.
Two tenders for the supply of (a) flavors and fragrances, also of mono & di propylene glycol, also (b) atomizers and screw valves for perfumery bottles.