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Knife gate valve

PN10 to PN50, 150Lbs to 300Lbs according to DN

DN50 to DN400 - 2" to 16"

Characteristics
Options
Achievements
Options
  • Connection :
  • Any type of connection (screwed-on, welded or floating flange, threaded, SW, BW, double male or female connection, single male or female connection or other special connections under request)
  • Operation :
  • Chain handwheel
  • Differential pneumatic actuator
  • Multiturns pneumatic actuator
  • Stainless steel pneumatic actuator
  • Electric actuator
  • Manual override
  • Manual gear actuator
  • Manual angular gear actuator
  • Manual operator with locking mechanism
  • Extended manual operator with/without cardans
  • Manual operator mounted on ISO base for later adaptation of actuator
  • Limit switches (mechanical, inductive or other)
  • Electro-distributor
  • Junction box
  • Specific configurations :
  • Heating jacket
  • Leak detector at stuffing box
  • Nitrogen flushing unit in the junction box
  • Draining or cleaning nozzles
  • Certifications :
  • ATEX certification
  • Fire-safe design
  • FDA certificate for body seal and stuffing box packing

Notes :

Some options are not compatible

Special valve can be designed upon request

Dimension

DN50 to DN400

Pressure class

PN10 to PN50, 150Lbs to 300Lbs according to DN

Connection

Welded, screwed-on or floating flange

Material in contact with the fluid

Steel, stainless steel, duplex and super duplex, inconel, incoloy®, hastelloy®, titanium, uranus®, nickel, monel

Stem sealing system

Sealed O’rings stuffing box, with pure or filled PTFE rafters, stuffing box with graphite packing, double stuffing box (O’rings + packing)

Body seal material

25% PTFE glass, graphite, reinforced graphite, stainless steel graphite or stainless steel PTFE spiral, helicoflex®, viton, kalrez®, EPDM

Disc seating surface

O’rings, metal / metal,  other…

Actuator

Manual, pneumatic (single or double-acting), electrical, hydraulic

Knife gate valve DN300 PN10 in stainless steel 316L, with double effect pneumatic actuator
Rectangular knife gate valve 200 x 400mm in stainless steel 304L with double effect pneumatic actuator
Rectangular knife gate valve 400 x 600mm in Uranus ® B6 with double-acting pneumatic actuator
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