telescoping valve

telescoping valve

[¦tel·ə¦skōp·iŋ ′valv]
(mechanical engineering)
A valve, with sliding, telescoping members, to regulate water flow in a pipe line with minimum disturbance to stream lines.
References in periodicals archive ?
The units also include ruggedized PDA-style controller/datalogger to operate and collect data during the operation of the ERV-750; GPS; telescoping valve key and Bluetooth adapter.