Bidirectional Knife Gate Valve Series 752 Bray International

Bidirectional Knife Gate Valve

Series 752

Size Range
NPS 2 to 24 / DN 50 to 600
Maximum Allowable Operating Pressure
240psi (16bar)
Body Style
Wafer, Two-Piece Bolted


Bidirectional Knife Gate Valve - Series 752

Size Range
NPS 2 to 24 / DN 50 to 600
Body Materials
Ductile Iron, Carbon Steel (WCB), CF8 Stainless Steel, CF8M Stainless Steel, CF3M Stainless Steel
Maximum Allowable Operating Pressure
240psi (16bar)
Stem Materials
304 Stainless Steel
Body Style
Wafer, Two-Piece Bolted
Gate Materials
304, 316, 317 Stainless Steel, 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)
Design Standard
Packing Maximum Temperature
PTFE/Buna-N: 194°F (90°C)
PTFE/Viton®: 392°F (200°C)
PTFE/EPDM: 248°F (120°C)
Testing Standard
Face to Face
Actuator Options
Handwheel, Bevel Gear, Pneumatic, Hydraulic, Electric

Features & Benefits

The Bray Series 752 Bidirectional Knife Gate Valve is an engineered solution designed for precise and reliable handling of slurries. Its innovative design, featuring a two-piece bolted body and a steel-reinforced molded perimeter seat, ensures bidirectional zero leakage shutoff even under demanding operational conditions. With a diverse range of actuator options including Direct Mounted Handwheel Standard (2"-10"), Bevel Gear Standard (12"-24"), Pneumatic, Hydraulic, and Electric, it addresses various operational requirements.

Primarily utilized in Chemical, Mining, and Power industries, the Series 752 demonstrates excellence in valve technology, delivering superior performance, durability, and adaptability.


  • Pressure rating of 240psi (16bar), accommodating a wide spectrum of industrial applications.
  • Compliant with ASME B16.5 CL150 drilling standards, ensuring seamless compatibility and integration within existing systems.
  • Configured in a two-piece bolted wafer design, optimizing space utilization and offering installation flexibility.
  • Packing Options: PTFE impregnated synthetic fiber, PTFE w/Buna-N Quad Seal, PTFE w/Viton® Quad Seal.
Bidirectional Knife Gate Valve Series 752 Features

  • A. Topworks

    Designed for easy, quick conversion between manual and pneumatic actuation. Featuring a lubricant injection port for continuous, smooth operation with minimal maintenance.*

  • B. Clevis

    Clevis design and horizontal bolting stabilizes gate ensuring proper alignment.

  • C. Packing (standard)

    Standard multi-layer square packing provides exceptional gland sealing.

  • D. Packing (optional)

    Optional energized quad seal packing for enhanced gland sealing.

  • E. Unrestricted Flow Path

    Unrestricted flow path with minimal pressure drop achieved through full port valve design.

  • F. Gate

    Deflection resistant gate design ensures consistent alignment for industry leading durability.

  • G. Seat

    Replaceable steel reinforced elastomer seat ensures bidirectional zero leakage shutoff.

  • H. Body

    Two piece bolted body for easy maintenance and seat replacement.

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