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Tel: +27 10 300 4900 | Fax: +27 11 421 2749 | Email: dfc@dfc.co.za

Insamcor MLB

A product designed & developed for harsh, abrasive & corrosive environments


DFC’s Purpose is to solve typical and perennial valve problems. We achieve this by proving quality valves that provide the lowest cost of ownership and operation, highest reliability and minimum lifetime maintenance.

DFC’s Insamcor range of mono flanged large bore knife gate valves feature a unique extruded body seal including both transverse and stuffing box sealing to atmosphere. The extruded seal ensures no seat pockets or cavities providing trouble free operation in large bore applications.

Cast iron body, either FBE coated or soft rubber lined with an added option of wear cones

Optional actuation:  manual gearbox, pneumatic, hydraulic and electric

Optional accessories:  proximity switches, solenoid valve, junction box

  • Mechanically retained moulded body seal
  • 28” – 48” (DN700 – DN1200)
  • Combination transverse seal and adjustable stuffing box and gland design ensures leak-proof sealing to atmosphere and allows maintenance and seal re-packing under full line pressure
  • Gate guided through full length of the stroke
  • Self-cleaning flush out corners prevent deposit build-up in sealing area
  • Full bore unrestricted flow area – no seat pockets or cavities
  • Bi-directional leak-proof sealing
  • Built in PTFE scrapers keep the blade free from any foreign matter over the whole width of the blade during operation.
  • Robust pillar/angle design allows for easy mounting of proximity and limit switches
  • The mounting plate is designed to accept manual, pneumatic or electric actuation

Gate – Different gate materials available on request

Actuators – Manual, manual bevel gear, pneumatic, electromechanical, hydraulic and lever

Deflector Cones – Replaceable Ni-hard wear cone with gasket. Polyurethane deflector cones

Seals – Various elastomers available

Ports – Vee and pentagonal ports for flow control

Lockouts – For both open and closed position


Size Range 28" - 48" (DN700 - DN1200) 28" - 48" (DN700 - DN1200)
Pressure Varies - Size Dependant Varies - Size Dependant
Body Fusion Bonded Epoxy Coated Ductile Iron Black etch primed Ductile Iron with SRL faces and bore
Seals Extruded Nitile Body Seal Extruded Nitile Body Seal
Yoke Fusion bonded epoxy Mild Steel Fusion bonded epoxy Mild Steel
Gate 304L Stainless Steel 304L Stainless Steel
Flange Drilling AS 2129 Table D & E
PN 10
AS 2129 Table D & E
PN 10

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