Product description
Materials:
- Body: ductile iron castings
- Butterfly plate: aluminum bronze, stainless steel, ductile iron nickel plating and nylon cladding
- Stem: stainless steel
- Sealing: NBR and ethylene-propylene rubber
- Spring: spring and stainless steel
- Valve appearance coating: epoxy resin
Applicable temperature: -30 to 180°C
Applicable medium: fresh water, sea water, sewage, salt, alkali, acid, drugs, steam, air, oil and food
DN: 40 to 600mm (1.5 to 24 inches)
PN: 1.0 to 1.6MPa
Will open and close under pressure of medium, when medium flow back, will prevent medium to avoid any accident
Tight sealing, no leakage guarantee
Reliable performance and anti-jamming
Anti-corrosive epoxy resin costing, excellent performance
Used to prevent back flow medium in pipeline system
Body: ductile iron castings
Butterfly plate: aluminum bronze, stainless steel, ductile iron nickel plating and nylon cladding
Stem: stainless steel
Sealing: NBR and ethylene-propylene rubber
Spring: spring and stainless steel
Valve appearance coating: epoxy resin