1: Marine cast steel suction sea valve (quad)
Model: GB/T11691-1989
Type: Right angle
Nominal pressure: 0.4MPa
Nominal diameter: DN50-DN500
Applicable medium: seawater, fresh water
Connection type: flange
Main material: ZG230-450 for valve body and cover, and ZG230-450 for valve disc
ZCuSn10Zn2, valve stem QAl9-2, valve body sealing surface
Surfacing Bronze QAl9-2
2: Marine bronze suction sea valve (quad)
Model: GB/T11692-1989
Type: Right angle
Nominal pressure: 0.4MPa
Nominal diameter: DN50-DN400
Applicable medium: seawater, fresh water
Connection type: flange
Main materials: valve body, valve cover, and valve disc
ZCuSn10Zn2, valve stem QAl9-2
3: Marine cast steel suction sea valve
Model: GB/T2029-1980
Type: Right angle
Nominal pressure: 0.4MPa
Nominal diameter: DN80-DN500
Applicable medium: seawater, fresh water
Connection type: flange
Main material: ZG230-450 for valve body and cover,
The valve disc is ZCuSn10Zn2, and the valve stem is QAl9-2
4: Marine bronze suction sea valve
Model: GB/T2030-1980
Type: Right angle
Nominal pressure: 0.4MPa
Nominal diameter: DN80-DN400
Applicable medium: seawater
Connection type: flange
Main materials: valve body, valve cover, and valve disc
ZCuSn10Zn2, valve stem QAl9-2
