WATER TRAP VALVE FOR FAIL SAFE OPERATION OF AN AIR INLEAKAGE MONITORING SYSTEM IN A STEAM TURBINE

摘要

53,722ABSTRACT OF THE DISCLOSUREFail-safe bypass monitoring system for measuringvolumetric flow rates in a pipe which normally carries arelatively low pressure, low volume gas flow. The systemcomprises a water trap valve positioned to seal offrelatively low pressure gas flow through the pipe anddivert the gas flow through a flowmeter. The flowmeterreceives gas flow from the pipe adjacent a first end of thewater trap valve and returns gas flow to the pipe adjacenta second end of the water trap valve. The water trap valvealways passes relatively high pressure gas directly throughthe pipe.- 17 -