Cast Iron Lugged Knife Gate Valve with Pneumatic Cylinder Operators

Lugged Knife Gate Valves

 

  • Our lugged knife gate valve is bi-directional tight and can therefore be installed into a pipe system independent of pressure direction.
  • A fully lugged valve body design and integrated flange gaskets makes it easy to install and also allows end-of-pipe installations.
  • With a full bore design this gives excellent flow characteristics and makes it suitable for fluids, sludge and liquids with solids in
    suspensions such as water, sewage and bio mass.
  • This valve has a robust coated and fully lugged valve body in nodular iron, with a gate in stainless steel and polished
    edge in order to minimize friction and to lower required operation force.
  • The valve is supplied with a sealing profile in Nitrile or EPDM and this is reinforced with a steel core. .
  • The valve is designed, manufactured, inspected and tested according to pressure equipment directive 2014/68/EU category I and II module A2.
  • Size range from DN 50 up to DN 1400. 
Category:

Type

  • Manual Lugged Knife Gate Valve
  • Hand-wheel Operated Lugged Knife Gate Valve
  • Gearbox Operated Lugged Knife Gate Valve
  • Pneumatic Cylinder Operated Lugged Knife Gate Valve
  • Electric Multi Turn Actuator Operated Lugged Knife Gate Valve

Size & Connections

  • DN50 (2″) to DN600 (24″)
  • EN 1092 PN 10
  • EN 1092 PN 16
  • ASME/ANSI B 16.5
  • Class 150
  • AS 2129 Table D and E

Duty

  • Fluids, sludge and liquids with solids in
  • Suspensions such as water, sewage and bio mass.

Materials

  • Nodular Iron
  • Carbon Steel
  • Stainless Steel

Temperature

  • Dependent on pressure 200°C

Approvals/Certification/Design

  • Leakage Rate: EN 12266-1:2009 rate A: No visually detectable leakage is allowed for duration of the test
  • Pressure tests: are performed with water at 20º C according to EN 12266-1:2009
  • 2014/68/EU category I and II module A2

 

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