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PT. Pohon Mas Sejahtera | Slurry Knife Gate Valve (DSKG)
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SLURRY KNIFE GATE VALVE (DSKG) (Bray)

DUAL‘s Slurry Knife Gate Valve is built with a cast SG Iron GR. 42 or fabricated body and features a heavy-duty stainless steel blade. Removable sleeves on either side of the blade provide a bi-directional bubble tight seal, with no metal parts in contact with the slurry.

FEATURES

  • 240 PSI (16 Bar CWP Design)
  • Double Seat design for heavy duty slurry service.
  • Ease of replacement of sleeves.
  • When open, the knife-gate is fully withdrawn from the slurry flow.
  • No guides.
  • Bubble tight shutoff, zero downstream leakage.
  • No clogged bonnet to impede flow.
  • External epoxy coated.
  • Easily adapted to suit most actuators
  • Low maintenance requirements.
  • Suitable for wet or dry service.
  • Bi-directional flow.
  • Packingless design.
  • Clean out area.
  • Light weight for easier handling.
  • No seat cavity where solids can collect and prevent full gate closure.
  • No gland to maintain.
  • Wide range of elastomers available.
PRODUCT SPECIFICATIONS
BODY Flanged Pattern SG Iron Gr. 42 (SABS) stainless steel or fabricated steel, epoxy coated

ELASTOMER SLEEVES

 Gum Rubber (standard), Nitrile, Viton, EPDM, Chlorobutyl, Urethane
RETAINER FLANGES Rubber covered carbon steel flanges (80mm thru 1500mm)
PRESSURE RATING DN80 to DN600 rated to 240 psi ( 16 bar) using 316SS Blade, DN650 to DN 1500-150 psi ( 10 bar)
GATE MATERIAL 316 Stainless steel standard- 316L, 317, 17-4PH, Alloy 20, SAF 22015 S/S with optional wear coatings
DRILLING PATTERNS DN80 to DN250 drilled and tapped ASME B16.5, BS, DIN, SABS DN300 to DN1500 flanges are slotted
MATERIAL CERTIFICATIONS Certified chemical and physical test reports can be supplied

 

STANDARD FEATURES – VALVE BODY

  • Splash guard with flush ports
  • Protective bellows
  • Stem cover
  • Urethane wiper
  • lubrication ports on both sides of the valve body
  • Heavy duty tower frame with limit switch brackets
  • Open/closed lockout brackets standard, ready for factor supplied lockout pins
  • Adaptable frame (yoke) design can be field modified to take air cylinder, gearbox or hydraulic actuators

 

APPLICATIONS

  • Mining and mineral processing
  • Power generation
  • Sand and gravel
  • Chemical and soda ash
  • Pulp and paper
  • Environmental and effluent

HOW THE RUBBER SLEEVES WORK

 

Matching rubber ring sleeves with stiffener ring are placed int the valve housing to seal against each other when the valve is the open position. this tight fit contains the high internal line pressure double seated design provides bi-directional flow and shut off.

ACTUATORS

All types of actuators can be fitted, electric, gearbox, hydraulic, pneumatic and handwheel.

 

ACCESSORIES

  • Limit switches
  • PTFE coating of gate
  • Various blade materials optional
  • Gate safety guards