- 产品描述
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Grooved Ends Butterfly Valves
BFV-DG-4,BFV-DG-6, BFV-DG-8
Application:
- Indoor and outdoor usage, Fire inflow water, drain pipe, high-rising building firefighting system, industrial factory building fire protection system
- Maximum working pressure: 300 PSI(Maximum Testing Pressure:600 PSI) conforms to UL1091& ULC/ORD-C1091&FM1112
- Maximum working temperature: 80°C/176°F
- Coating Details: Epoxy coated interior and exterior by Electrostatic Spray or coating upon request
- Disc: Ductile iron EPDM rubber encapsulated
- Top flange standard: ISO 5211
- Factory Installed Supervisory Tamper Switch Assembly
- Corrosion protected
- Approvals: UL, ULC, FM, NSF/ ANSI 61 & NSF/ ANSI 372
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