Knife Gate Valve - FABRICATED SINGLE WEDGE | Zubi
Knife Gate Valve - FABRICATED SINGLE WEDGE | Zubi

Knife Gate Valve - FABRICATED SINGLE WEDGE | Zubi

The Knife Gate Valve - Fabricated Single Wedge by Zubi is a specialized valve designed for handling challenging fluid control applications. It features a robust, fabricated construction with a single wedge design, ensuring reliable sealing and efficient operation in systems with high solid content or viscous materials. This valve is ideal for industries such as mining, wastewater treatment, and pulp and paper, where durability and performance are critical. Its design allows for easy maintenance and long service life, making it a cost-effective solution for demanding environments.

Description

Main Features

  • Face to face as per manufacturer standard. (Others to be confirmed).
  • Single piece welded body and bonnet.
  • Provided with top cover (bolted bonnet) to prevent leak to the atmosphere.
  • Polished stainless steel gate in both sides and with rounded edges to ensure life of the seat.
  • Minimum packing area, reduced leak risk and maintenance.
  • High flow rates and minimum pressure drop design

DIRECTIVAS

  • DIR 2006/42/CE (machinery)
  • DIR 2014/68/EU (PED) Fluid Group 1(b), 2 (Cat. I. mod. A)
  • DIR 2014/34/EU (ATEX) Area 2&22

Technical Data

FLANGE CONNECTION

  • DN900 to DN2000: Up to 10 bar

SIZES & PRESSURES

  • DN50 to DN250: 10 bar
  • DN300 to DN450: 6 bar
  • DN500 to DN600: 4 bar
  • DN700 to DN1600: 2 bar

(Higher design pressures on request)

TIGHTNESS

  • Metal/Metal
  • PTFE
  • Watertight

MATERIALS

BODY  AISI304L, AISI316L, 254SMO, 654SMO, AISI310, AISI904L, DUPLEX SAF2205, SUPERDUPLEX SAF2507, AISI316Ti. SEAT EPDM, NITRILE (NBR), SILICONE, VITON, GRAPHITE, FLUCAST, PTFE.

SEAT EPDM, NITRILE (NBR), SILICONE, VITON, GRAPHITE, FLUCAST, PTFE.

GATE AISI304L, AISI316L, 254SMO, HARDOX, AISI310, AISI904L, DUPLEX SAF2205, SUPERDUPLEX SAF2507, AISI316Ti.

PACKING SYNT+PTFE, Pure PTFE, GRAPHITE, CERAMIC, Greased COTTON.

ACTUATORS

Hydraulic, electric, gear box, Gear Box + chain-wheel.

ACCESSORIES AND OPTIONS

Limit switches, proximity sensors, locking devices, extension, regulation v-ports, cleaning holes, etc.