Series 770 Bidiredictional O-ported Slide Gate Valve
Knife GateThe Bray/VAAS Series 770 is a bidirectional o-ported slide gate valve, designed for severe service applications. The 770’s o-ported gate is in constant contact with the seats, minimizing seat stress and ensuring maximum sealing performance.
Specification
- Size Range: 2-24" (50-600mm)
- Pressure Rating: 150psi (10bar) CWP
- Body Style: Wafer, Two-Piece Bolted
- Seat Options: PTFE: -235°-450°F / -148°-232°C
- Packing Options: PTFE: 232°C / 450°F
- Design: MSS SP-81
- Testing: MSS SP-81
- Face To Face: MSS SP-81
- Certification: Canadian CRN
- Drilling: ASME B16.5 CL150, ASME B16.47 CL150
- Actuator Options: Handwheel, Bevel Gear, Pneumatic, Hydraulic, Electric
Buna-N: -35°-194°F / -37°-90°C
EPDM: -65°-248°F / -54°-120°C
Viton ®: -15°-392°F / -26°-200°
Elastomer Quad Seal: Nitrile: 90°C / 194°F, Viton®: 200°C / 392°F
Copper Wiper: 500°C / 932°F
Graphite: 1000°C/1832°F
