Dec 28, 2012
THIS CHECK VALVE INCLUDING WET ALARM VALVE , RETARDING CHAMBER , WATER MOTOR GONE , AND GAUGES AND PRESSURE SWITCH
WET ALARM VAVLE SIZE DN 80,DN125,DN100,DN150,DN200(3",4" 5" 6"including following partsRETARDING CHAMBER ,PRESSURE SWITCH ,WATER MOTOR GONE...