Unidirectional Knife Gate Valve Series 940 Bray International https://www.bray.com/images/default-source/products/knifegate/knifegate-940/940_knifegate_homehero_30001.jpg?sfvrsn=609e495d_4

Unidirectional Knife Gate Valve

Series 940

Size Range
NPS 2 to 36 / DN 50 to 900
Pressure Ratings
2 – 24" (50 – 600mm) 150psi (10bar)
30 – 36" (750 – 900mm) 100psi (7bar)
Body Style
Single Piece, Wafer, Lug

Specifications

Unidirectional Knife Gate Valve - Series 940

Size Range
NPS 2 to 36 / DN 50 to 900
Body Materials
CF8 Stainless Steel, CF8M Stainless Steel, CF3M Stainless Steel, SAF 2205 Duplex, SAF 2507 Duplex, WCB Carbon Steel
Pressure Ratings
2 – 24" (50 – 600mm) 150psi (10bar)
30 – 36" (750 – 900mm) 100psi (7bar)
Stem Materials
304 Stainless Steel
Body Style
Single Piece, Wafer, 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-81
Certifications
CE/PED, Canadian CRN
Face to Face
MSS SP-81
Actuator Options
Handwheel, Bevel Gear, Pneumatic, Hydraulic, Electric
Applications
Power, Mining, Pulp & Paper, Cement, Carbon Black, Chemical

Features & Benefits

The Series 940 unidirectional knife gate valve features a single piece, cast body design offers rugged performance in applications ranging from general purpose to severe media handling. Available with integral metal or replaceable soft seat, the Series 940 gate valve is easily automated for on/off applications.

 

Features:

  • Designed for easy, quick conversion between manual and pneumatic actuation. Featuring a lubricant injection port for continuous, smooth operation with minimal maintenance
  • Clevis design and horizontal bolting stabilizes gate ensuring proper alignment
  • Standard multi-layer square packing provides exceptional gland sealing
  • Optional energized quad seal packing for enhanced gland sealing
  • Standard integral metal seat with optional replaceable Class IV metal or Class VI resilient seats
  • Deflection resistant gate design ensures consistent alignment for industry leading durability
  • Unique body design with no dead pockets enables self-draining of valve
  • Lugged body suitable for all mounting orientations including dead-end service
Unidirectional Knife Gate Valve Series 941 Bray International

  • A.

    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.

  • B.

    Clevis design and horizontal bolting stabilizes gate ensuring proper alignment.

  • C.

    Standard multi-layer square packing provides exceptional gland sealing.

  • D.

    Optional energized quad seal packing for additional leak prevention.

  • E.

    Standard integral metal seat and optional replaceable zero leakage resilient seats.

  • F.

    Gate design ensures consistent alignment throughout the length of the stroke.

  • G.

    Unique body design with no dead pockets enables self-draining of valve.

  • H.

    Lugged body suitable for all mounting orientations including dead-end service.

  • I.

    Cast yoke superstructure ensures robustness in valve design for different operators/orientation.

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