Zubi Cast Iron Actuated Knife Gate Valve

Zubi Cast Iron Actuated Knife Gate Valve


in-stock Available to Order

Key Features
  • Zubi Pneumatic Actuated Knife Gate Valve
  • Uni-Directional
  • Double Acting as Standard
  • Cast Iron GG25 Body
  • 304 Stainless Gate
  • To fit between PN10 Flanges
  • EPDM or NBR Seats
  • Sizes 2" (DN50) to 12" (DN300)


Cast Iron Actuated Knife Gate Valve

A powerful pneumatic operated knife gate valve, comprising of the valve in cast iron body (GG25) with a 304 stainless steel gate, fitted to a double acting pneumatic actuator suitable for on/off operation.

Suitable to fit between flanges and designed for PN10 pressure rating with the option of PN16 on request.

Used for general industrial service applications, this uni-directional, knife gate offers a full circular bore, resulting in high flow capacities and low pressure drops.

Supplied as standard with EPDM or NBR seats, with options for Viton, Silicone or Metal on request. Used for water (not WRAS Approved) in water treatment, food, chemical and pulp industries.

Key features:

  • Wafer Pattern
  • Cast Iron (GG25) Body
  • Sizes: 2" to 12"
  • Seats: EPDM or NBR
  • Temperature range: Up to 120°C (EPDM seats) and up to 200°C (Metal Seats)
  • Pressure rating: 10 Bar 2" to 10", 6 Bar 12"
  • Options for switches and pilot solenoid fitted
  • Standard flange connection: EN1092 PN10
  • Viton, Silicone or Metal Seats available on request

Valves are manufactured following European Pressure Equipment Directive PED 97/23/CE.

Images are for illustrative purposes only and may not be an indication of all variations/sizes of the product.


 Download the Cast Iron Actuated Knife Gate Valve Datasheet

Technical Attributes

Size 2" (DN50), 2 1/2" (DN65), 3" (DN80), 4" (DN100), 5" (DN125), 6" (DN150), 8" (DN200), 10" (DN250), 12" (DN300)
Body Material Cast Iron
Design Wafer, EPDM Seat, NBR Seat, Uni-directional
Industry / Approvals Water Treatment / Desalinization, Mining / Slurry, Bulk Handling, Power Plant, Pulp / Paper
Flange Accomodation PN10
Manufacturer Zubi