Unidirectional Knife Gate Valve Series 950 https://brayprod.azurewebsites.net/images/default-source/products/knifegate/knifegate-950/vaas950cover01_01thumbnail.webp?sfvrsn=9c4e2cc7_5

Unidirectional Knife Gate Valve

Series 950

Size Range
NPS 2 to 24 / DN 50 to 600
Maximum Allowable Operating Pressure
NPS 2 to 12: 150psi / DN 50 to 300: 10bar
NPS 14 to 24: 75psi / DN 350 to 600: 5bar
Body Style
Single Piece, Wafer, Semi-Lug

Specifications

Unidirectional Knife Gate Valve - Series 950

Size Range
NPS 2 to 24 / DN 50 to 600
Body Materials
Carbon Steel (WCB), CF8 Stainless Steel, CF8M Stainless Steel, CF3M Stainless Steel, SAF 2205, SAF 2507
Maximum Allowable Operating Pressure
NPS 2 to 12: 150psi / DN 50 to 300: 10bar
NPS 14 to 24: 75psi / DN 350 to 600: 5bar
Stem Materials
304 Stainless Steel
Body Style
Single Piece, Wafer, Semi-Lug
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), PTFE/Viton Back-up Ring: -235 to 392°F (-148 to 200°C)
Design Standard
MSS SP81
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 SP151
Certifications
ATEX, AWWA C520 (2019), CRN, PED, PE(S)R, TR CU, UA TR
Face to Face
MSS SP81
Actuator Options
Handwheel, Bevel Gear, Pneumatic, Hydraulic, Electric
applications
Wastewater, Power, General Industrial, Chemical, Mining, Food & Beverage, Pulp & Paper

Features & Benefits

The Knife Gate Valve Series 950 unidirectional are designed with a single-piece, cast body design housed within a cost-effective semi-lug body.

With integral metal or replaceable soft seats, configuration can be tailored to specific application requirements. This customizable feature ensures that the valve seamlessly adapts to different operating conditions, from wastewater treatment plants to mining operations, pulp & paper facilities, and the food & beverage industry.

Adhering to the highest quality standards, each Series 950 Knife Gate Valve undergoes rigorous testing, including shell and seat tests per MSS SP-151, as well as factory cycle tests. Pressure ratings for our products include Uni-Directional specifications, with 2" – 12" at 150 psi (DI body), 14" – 24" at 75 psi (DI body), and 2" – 24" at 150 psi (steel body).

Our approvals and certifications encompass CRN, PED – Category I Module A, and AWWA C520 compliance. Explore optional features like Gate Guards, Deflection Cone, Open/Closed Lockouts, Limit Switches, Solenoid Valves, and Fail Safe Systems for enhanced functionality.

 

Features:

  • Integral metal seat or optional resilient, zero-leakage seat.
  • Gate design ensures consistent alignment throughout the length of the stroke.
  • Clevis design and horizontal bolting stabilizes gate ensuring proper alignment.
Unidirectional Knife Gate Valve Series 950 Bray International

  • 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.

  • 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. Seat

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

  • F. Gate

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

  • G. Body

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

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