bids are invited for control valve hpsu spares for sagardighi project ball valve-1 - refer annexure-a for detailed description , ball valve-2 - refer annexure-a for detailed description , electronic temperature switch - refer annexure-a for detailed description , safety shut-off block - refer annexure-a for detailed description , electronic pressure switch cum transmitter - refer annexure-a for detailed description , pressure gauge-1 - refer annexure-a for detailed description , pressure gauge-2 - refer annexure-a for detailed description , manifold block-1 - refer annexure-a for detailed description , manifold block-2 - refer annexure-a for detailed description , directional spool valve-solenoid operated - refer annexure-a for detailed description , pressure reducing valve-pilot operated - refer annexure-a for detailed description , pressure relief valve-1 - refer annexure-a for detailed description , temperature sensor - refer annexure-a for detailed description , float switch cum transmitter - refer annexure-a for detailed description , recirculation pump motor station assmly - refer annexure-a for detailed description , electric motor-1 - refer annexure-a for detailed description , air-oil cooler - refer annexure-a for detailed description , bladder accumulator - refer annexure-a for detailed description , int gear pump - refer annexure-a for detailed description , electric motor-2 - refer annexure-a for detailed description , check valve-1 - refer annexure-a for detailed description , fluid level gauge - refer annexure-a for detailed description , air filter - refer annexure-a for detailed description , temperature gauge with thermowell - refer annexure-a for detailed description , pressure relief valve-2 - refer annexure-a for detailed description , pressure relief valve-3 - refer annexure-a for detailed description , flow control valve - refer annexure-a for detailed description , check valve-2 - refer annexure-a for detailed description , ext gear pump - refer annexure-a for detailed description , check valve-3 - refer annexure-a for detailed description , 3 way ball valve - refer annexure-a for detailed description , pressure filter - refer annexure-a for detailed description , differential pressure switch - refer annexure-a for detailed description , flexible hose - refer annexure-a for detailed description