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1) Size: DN50-DN3002) Nominal Pressure: 1.6MPa3) Sealing Test Pressure: 1.76MPa4) Shell Test Pressure: 2.4MPa5) Applicable Temperature: 0~80℃6) Fluid Medium: Water7) Material: ductile cast iron body, 2cr13 stem, NBR + DI wedge, ductile cast iron handwheel8) Connecting Diameter(DN50-DN300): (60.3)(73 , 76.1)(88.9)(108 , 114.3) (133 , 139.7 , 141.3)(159 , 165.1 , 168.3)(219.1)(273)(323.9)  

1) Size: DN50-DN3002) Nominal Pressure: 1.6MPa3) Sealing Test Pressure: 1.6MPa4) Shell Test Pressure: 2.0MPa5) Applicable Temperature: 0~80℃6) Fluid Medium: Water7) Material: ductile cast iron body, DI rotating nut, 2cr13 stem, NBR + DI wedge, ductile cast iron handwheel8) Connecting Diameter(DN50-DN300): (60.3)(73 , 76.1)(88.9)(108 , 114.3) (133 , 139.7 , 141.3)(159 , 165.1 , 168.3)(219.1)(273)(323.9)

1) Size: DN50 / DN65 / DN80 / DN100 / DN125 / DN150 / DN200 / DN2502) Rated working pressure: 1.6MPa / 16bar / 235psi3) Material:  ductile cast iron body, chromed steel U stem, plastic head4) Type: vane type / saddle type5) Delay time: 2~90s6) Switch volume: DC24V/1A , AC220/3A7) Sensibility（L/min）: 15＜Q＜37.5  

1) Size: 8"2) Material: steel cover and aluminum body.3) Water Inlet size: DN204) Water outlet size: DN25

1) Size: DN100 / DN150 / DN2002) Flange holes match to: PN16 / BS4504 / EN1092 / DIN2502 / ANSI150lb3) Rated working pressure: 1.6MPa / 16bar / 235psi4) Material: ductile cast iron body, stainless steel seat, galvanized accessory pipe, brass accessory valves.5) With all fittings include hydraulic alarm bell, pressure switch, pressure gauge, gas pressure remain valve etc.