STAFSJÖ SLV

Stafsjö knife gate valve SLV is delivered with either hand wheel, pneumatic, hydraulic cylinder or electric actuator. Pneumatic is also available as a single-acting actuator (spring open or close) or solution with accumulator tank for Fail Safe solution.

The knife gate valve is designed for demanding slurry and abrasive applications. The valve is bi-directional and has a full bore. The gate goes through two pressed rubber cuffs. Minimal of the medium is let through the cuff and into the housing. At the bottom of the valve you can mount a cover for closing the body or connect flushing ports. Variants of this valve are available under other model numbers. Some variants have a longer construction length, while others can withstand pressures up to 50 bar.
 
Contact us for more information about these variants.
Properties
  • Bi-directional
  • Wafer execution
  • Full bore
  • Low life cycle cost
  • Non-rising stem
  • Can be delivered with pneumatic cylinder, electric actuator or hydraulic actuator
Applications
  • Chemical industry
  • Mining and bulk handling
  • Pulp and paper
Technical data
  • Leakage rate acc. to EN 12266, rate A
  • Construction length acc. to producers standard
  • Flange connection acc. to DIN EN1092 or ANSI B16.5 150#, other on request
Technical documentation
  • PED 97/23/EC
  • Certificate EN 10204-3.1 on request
Technical table
 
Body: Nodular iron EN-JS 1050 (GGG50)
Gate: Hard chrome plated stainless steel 1.4408
Seat: NBR, EPDM or Viton
Gland packing: TwinPack
Corrosion protection: Epoxy, RAL 5015, corrosion class C3 (other thicknesses on request)