supply of water locking unitwater locking unit,water locking unit (water check valve assembly with pneumatic operated) . technical speci fication i)shape of assembly -y type (normally open),aisi - 304 (ss) ii)inlet port (water) - 1/2 (female thre ad ends) iii) outlet port (water) -1/2 (female thread ends) iv) inlet port(pneumatic) - 1/4 v)exhaust port(p neumatic ) - 1/4 vi) operating temperature range of actuator - (-10 degree to +180 degree centigrade) vii )actuator size - 40 to 125 mm viii) operating pneumatic pressure range - 4 bar to 10 bar. ix) operating pne umatic pressure maximum - 10 bar maximum. as per mmdts 19027, rev 03 or latest [ warranty period: 30 months after the date of delivery ] ]