Large Size High Performance Butterfly Valve

SHENGFEI® High Performance Butterfly Valves provide a bi-directional zero leakage seal. Superior service life capability and extremely easy maintenance in the field are the advantages of SHENGFEI butterfly valves. Renewable valve seat extend the SHENGFEI valves' service life.

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- Commodity name: Large Size High Performance Butterfly Valve
SHENGFEI® High Performance Butterfly Valves provide a bi-directional zero leakage seal. Superior service life capability and extremely easy maintenance in the field are the advantages of SHENGFEI butterfly valves. Renewable valve seat extend the SHENGFEI valves' service life.

SHENGFEI High Performance Butterfly Valves Are All With Renewable Seat, Bi-Directional Zero Leakage.

Sizes available:
ANSI Class 150 2″-60″ (50-1500mm)
ANSI Class 300 2″-48″ (50-1200mm)
ANSI Class 600 2″-24″ (50-600mm)
Body Connection: Lug
Body Material: ASTM A216 Gr. WCB
Disc Material: SS316
Stem: 17-4PH
Seat Material: 316L+RTFE（reinforced PTFE)
Packing Material: Graphite
Manual Operator: Worm Gear
Pressure ratings: ANSI Class 150, 300, 600; PN16, PN25, PN40, PN100
Shutoff Rating: Class VI, Bubble Tight
Certifications: API 607,PED
Shell/Seat Test: API 598
Shutoff Rating: Class VI Bubble Tight, Class V w/ Preferred Flow After Fir

Unique Valve Seat Design:
Key words:
- Large Size High Performance Butterfly Valve
End flange spec. available
- ASME B16.5: Class 150, 300, 600
- JIS B2210: 10K, 16K, 20K
- DIN ISO PN10, PN16, PN25, PN40
Pressure ratings:
- ANSI Class 150 to 285 psi (2000 kPa)
- ANSI Class 300 to 740 psi (5100 kPa)
- ANSI Class 600 to 1440 psi (10000 kPa)
- DIN ISO PN16/PN25 to 2500 kPa (25bar)
- DIN ISO PN40 to 4000 kPa (40bar)
- DIN ISO PN100 to 10000 kPa (100bar)
Temperature range:
- Soft Seat -20°F to +500°F (-29°C to +260°C)
- Metal Seat -60°F to +1022°F (-51°C to +550°C)
- Metal Seat (Cryogenic) -320°F to +250°F (-196°C to +121°C)
- Fire Safe Seat -60°F to +1022°F (-51°C to +550°C)
ANSI Class 150 & 300, Double Flange Type, Double Offset High-Performance Butterfly Valves.pdf

ANSI Class 150, Lug & Wafer Type, Double Offset High-Performance Butterfly Valves.pdf

ANSI Class 300, Lug & Wafer Type, Double Offset High-Performance Butterfly Valves.pdf

ANSI Class 600, Lug & Wafer Type, Double Offset High-Performance Butterfly Valves.pdf

Installation Instructions – SHENGFEI High Performance Butterfly Valves.pdf

PN16&25&40, Double Flange Type, Double Offset High Performance Butterfly Valves.pdf

PN16&25, Lug & Wafer Type, Double Offset High Performance Butterfly Valves.pdf

PN40, Lug & Wafer Type, Double Offset High Performance Butterfly Valves.pdf

PN100, Lug & Wafer Type, Double Offset High Performance Butterfly Valves.pdf

Principle of Seat Sealing – Fire Safe Seat.pdf

Principle of Seat Sealing – Metal Seat.pdf

Principle of Seat Sealing – Soft Seat.pdf

SHENGFEI Double Offset High Performance Butterfly Valves_CATALOG.pdf

Valve Flow Coefficients – SHENGFEI High Performance Butterfly Valves.pdf