Bevel-helical gearbox B4 ion of rotation that is to be stopped can normall B4-FH-19B

Flender/Flender Gear Units/Bevel-helical gearbox B4

with block valves. 8. Primary isolation valves shall be used in addition to the gauge glass valves unless otherwise specified. When the rocess fluid may create plugging or leakage problem, gauge valves may be omitted. For low temperature liquid having high vapour pressure at ambient temperature, isolation and gauge val ves shall not be permissible. Safety valve shall be provided at the vent connect ion of the gauge glass where isola tion is required. 9. Level gauge shall be supplied as per the followin specificatio : Sensing Element & Material : Tem pered toughened Borosilicate Gauge glass steel armoured Reflex Transparent type Body Material : Forged carbon steel / SS 3 End Connection : Process onn. as per ASME PTC and drain/vent 1 NB Accuracy : 2% Scale : Linear vertical Range Selection : Cover 1 % of max. of scale Over range Test : Test pr essure for the assembly shal be 1.5 to the maximum design pressure at 3 degree 1 of 1 INDRADHANUSH GAS GRID LIMITED TECHNICAL SPECIFICATION FOR NATURAL GAS COMPRESSOR STATION FOR NORTH EAST GAS GRID PIPELINE PROJECT TS NO.: MEC//2UU/0/2/0 Control & Instru mentation (&) Chapter-0.0 2, MECON Limited, All Right Reserved Page 3 of 1 Housing : CS / 3 SS leak proof Zero / span Adjustme nt : To be provided Identification : Engraved with service legend or laminated phenolic Name plate Packing : PTFE Teflon Illumination : 2 , 5 Hz, 2 / 4 Watts either with deflector or Diffuser (for transparent type level gauge) / 2V, 5 Hz Accessories : Gasket for all KEL shield for transparent type vent and drain valves of CS / SS as per process req. Others : Anti Frost extension for low temperature service. Heating / cooling arrangement