The Series 950 unidirectional knife gate valves feature a single piece, cast body design offers rugged performance in applications ranging from general purpose to severe media handling in an economical semi-lug body. Available with integral metal or replaceable soft seat, the Bray Series 950 gate valve is easily automated for on/off applications.
Unidirectional Knife Gate Valve
Series 950
Size Range
2 – 24" (50 – 600mm)
Maximum Allowable Operating Pressure
2 – 24" 150psi (50 – 600mm 10bar)
Body Style
Single Piece, Wafer, Semi-Lug
Specifications
Unidirectional Knife Gate Valve - Series 950
Size Range
2 – 24" (50 – 600mm)
Body Materials
CF8, CF8M, CF3M, DI, SAF 2205, SAF 2507, WCB
Maximum Allowable Operating Pressure
2 – 24" 150psi (50 – 600mm 10bar)
Stem Materials
304
Body Style
Single Piece, Wafer, Semi-Lug
Gate Materials
304, 316, 317, SAF 2507, SAF 2205,17-4PH, Hastelloy® C, Monel®
Seat Material Temperature Range
Buna-N: -34 to 194°F (-36 to 90°C), EPDM: -65 to 248°F (-54 to 120°C) Viton®: -15 to 392°F (-26 to 200°C), PTFE/Viton Back-up Ring: -235 to 392°F (-148 to 200°C)
Design Standard
MSS SP-81
Packing Maximum Temperature
PTFE: 500°F (260°C), Impregnated PTFE: 450°F (232°C), PTFE/Buna-N: 194°F (90°C), PTFE/Viton®: 392°F (200°C), PTFE/EPDM: 248°F (120°C)
Testing Standard
MSS SP-151
Certifications
CE/PED, Canadian CRN, AWWA C520 (2019)
Face to Face
MSS SP-81
Actuator Options
Handwheel, Bevel Gear, Pneumatic, Hydraulic, Electric
Applications
Wastewater, Power, General Industrial, Chemical, Mining, Food & Beverage, Pulp & Paper
Features & Benefits
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A. Topworks
Topworks designed for easy, quick conversion between manual and pneumatic actuation. Manual valves include a lubricant injection port for continuous, smooth operation with minimal maintenance.
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B. Clevis
Clevis design and horizontal bolting stabilizes gate ensuring proper alignment.
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C. Packing (standard)
Standard multi-layer square packing provides exceptional gland sealing.
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D. Packing (optional)
Optional energized quad seal packing for enhanced gland sealing.
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E. Seat
Standard integral metal seat and optional replaceable zero leakage resilient seats.
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F. Gate
Gate design ensures consistent alignment throughout the length of the stroke.
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G. Body
Unique body design with no dead pockets enables self-draining of valve.