bids are invited for supply of pp on or off pneumatic control valve pinch control valve on or off pneumatic 100mm , spares sleeve for the above pinch control valve on or off pneumatic 100mm , polypropylene ball valve with pneumatic actuator on or off 1 half inch , polypropylene ball valve with pneumatic actuator on or off 2 half inch , spare solenoid valve for the above pp valve 1half inch , spare solenoid valve for the above pp valve 2 half inch , solenoid valve 2 inch supply of pp onoff pneumatic control valve control valve pneumatic, sluice valve for water works purposes (50 to 1200 mm size) (v2) as per is 14846, liquid offtake valve, humidifier (v2), directional control valve relevant control valve pneumatic total quantity : 106