indicator valve

indicator valve

A valve whose design includes some mechanism to show that the device is open or closed.
References in periodicals archive ?
Tenders are invited for V-Line Indicator Valve Cyl.
Tenders are invited for Mechanism Indicator Valve Dellner Part No: 1012233
Backflow, outside stem and yoke (OS&Y)/post indicator valve (PIV) and hydrant testing.
the project will also involve the installation of a post indicator valve (piv) and signage, a concrete pad for the manifold, concrete bollards, and the use of traffic control devices.
Tenders are invited for Indicator Valve Complete With Flange, Mak Drg.
Since then the product range was enlarged with post indicator valves, check valves and fire hydrants.
Multi-ported pressure indicator valves, supplied by Keine, allow for connection of portable analyzers or connection of a reference pressure sensor for online calibration of the pressure sensors.