KNIFE GATE VALVE

KNIFE GATE VALVE

Closing or regulating knife gate valve, direct bore, watertight in both ways.
 Description

  • Watertight in both ways.
  • Direct bore no internal retention zone.
  • Materials    :

  - Cast iron body FGL 250.
  - Blade: stainless steel 304.
  - Operating nut: stainless steel 420.
  - Operating screw: brass.
  - Seal: NBR.
  - Bolts: stainless steel A2.
  - Blue epoxy coating 250 µm

  • Control by hand wheel.
  • Clockwise closing.

Assembly

  • Little space required between flanges, conform to standard EN 558-1, basicseries 20 (DIN 322, part 3 series K1).
  • Assembly in chamber, on horizontal pipe or at the end of the pipe; operate on the top.
  • Assembly in other positions, please consult us.

Applications

  • Waste water management, rough muds and sharp, feces….
  • Paper industry and of cellulose: paper, sawdust pulp…
  • Chemical industry: viscous pastes, colloids, pellets, water chemically not purified.
  • Sugar industry: cleaning facility of beets, syrup, juice.
  • Food industry: rinsing and cleaning facility, installation of transport of cereals, vegetables…
  • Industry iron and steel, mining, water of slag, laundrette with coal…

Characteristics

  • Range: DN 50 to 600.
  • Flanges ISO PN 10.
  • Maximum operating pressure    :

  - DN 50 to 350 - PN 10
  - DN 400 to 600 - PN 4

  • Operating temperature: -20°C to +70°C
  • Max flow: 4 m/s.

Options

  • Others accessories:

  - Protecting cover
  - Square 30
  - Arm of lever until DN 150
  - Chain wheel
  - Electric actuator
  - Pneumatic or hydraulic jack
  - Triangular Regulating Orifice.

Alternatives

  • EPT seal.
  • Stainless steel blade and operating screw 316 TI.
  • Stainless steel nuts and bolts A4.
  • Safety device.