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STAFSJÖ MVL

Stafsjö knife gate valve MVL 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 MVL type is a uni-directional knife gate valve that also withstands back pressure. Available in a number of dimensions, material qualities and is widely used for industrial purposes where there are requirements for full bore.

Contact us for more information about these variants.

 

 

 

Properties
  • Uni-directional
  • Wafer execution
  • Seat easily replaced without disassembling the valve
  • Full bore
  • Low life cycle cost
  • Non-rising stem
  • Directional
  • V-port and deflection cone on request
Applications
  • Pulp and paper (up till 8% mass concentration)
  • Water / waste water
  • Food industry
  • Chemical industry
  • Biogas plants
  • Fishing industry
  • Offshore
  • Mining and bulk handling
Technical data
  • Leakage rate acc. to EN 12266, rate A
  • Construction length acc. to producers standard
  • Flange connection acc. to EN 1092 (ANSI, JIS, BS on request)
Technical documentation
  • PED 97/23/EC
  • ATEX 2014/34/EU Group II on request
  • Certificate EN 10204-3.1 on request
Technical table
Body: Nodular iron JS 1050 (GGG50)
Gate: Stainless steel AISI 304
Seat: See variants
Gland packing: TwinPack
Corrosion protection:  Epoxy, RAL 5015, corrosion class C3 (other thicknesses on request)
Seat: NBR
Product number Dimension Connection Max working pressure Bar Construction length Mounted
08010110 50 10, 16 16 41 Hand wheel w / ball
08010111 65 10, 16 16 41 Hand wheel w / ball
08010112 80 10, 16 16 51 Hand wheel w / ball
08010113 100 10, 16 16 51 Hand wheel w / ball
08010114 125 10, 16 16 56 Hand wheel w / ball
08010115 150 10, 16 10 60 Hand wheel w / ball
08010116 200 10 10 60 Hand wheel w / ball
08010117 250 10 10 69 Hand wheel w / ball
08010118 300 10 10 78 Hand wheel w / ball
08010120 400 10 6 89 Hand wheel w / ball
08010122 500 10 6 114 Hand wheel w / ball
08010123 600 10 6 114 Hand wheel w / ball
Seat: EPDM
Product number Dimension Connection Max working pressure Bar Construction length Mounted
08010012 80 10, 16 16 51 Hand wheel w / ball
08010013 100 10, 16 16 51 Hand wheel w / ball
08010014 125 10, 16 16 56 Hand wheel w / ball
08010015 150 10, 16 10 60 Hand wheel w / ball
08010016 200 10 10 60 Hand wheel w / ball
Seat: NBR, mounted with pneumatic cylinder SC w/magnet piston
Product number Dimension Connection Max working pressure Bar Construction length Mounted
08013110 50 10, 16 16 41 SC 100
08013111 65 10, 16 16 41 SC 100
08013113 100 10, 16 16 51 SC 100
08013114 125 10, 16 16 56 SC 100
08013115 150 10, 16 10 60 SC 100
08013116 200 10 10 60 SC 160
08013117 250 10 10 69 SC 160
08013118 300 10 10 78 SC 160
08013119 350 10 6 78 SC 200
08013120 400 10 6 89 SC 200
08013122 500 10 6 114 SC 200
08013123 600 10 6 114 SC 250