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STAFSJÖ WB14

Stafsjö knife gate valve WB14 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.

It is a bi-directional knife gate valve that is available in ductile iron. Often used in water treatment and waste water treatment plants, as well as sludge treatment.
 
Contact us for more information about these variants.
Properties
  • Bi-directional
  • Full bore
  • Non-rising stem
  • Lug execution, for mounting on end of pipe
  • Integrated flange sealing
  • Can be delivered with pneumatic cylinder, electric actuator or hydraulic actuator
Applications
  • Water treatment
  • Waste water treatment
  • Sludge treatment
  • Bio mass
  • Fish handling
Technical data
  • Leakage rate acc. to EN 12266, rate A
  • Construction length acc. to EN 558-1, series 20
  • Flange connection acc. to DIN EN1092
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 EN-JS1050 (GGG50) (stainless steel body WB14E on request)
Gate: Stainless steel AISI 304 (optional stainless steel AISI 316/duplex)
Seat: NBR, EPDM or FEPM (Aflas)
Gland packing: TwinPack
Corrosion protection: Epoxy, RAL 5015, corrosion class C3 (other thicknesses on request)
NBR seat, mounted with hand wheel
Product number Dimension Connection Max working pressure Bar Construction length Mounted
08320112 80 10, 16 10 46 Hand wheel w / ball
08320113 100 10, 16 10 52 Hand wheel w / ball
08320114 125 10, 16 10 56 Hand wheel w / ball
08320115 150 10, 16 10 56 Hand wheel w / ball
08320116 200 10 10 60 Hand wheel w / ball
08320117 250 10 10 69 Hand wheel w / ball
08320118 300 10 10 78 Hand wheel w / ball
08320119 350 10 6* 78 Hand wheel w / ball
08320120 400 10 6* 89 Hand wheel w / ball
EPDM seat, mounted with hand wheel
Product number Dimension Connection Max working pressure Bar Construction length Mounted
08410010 50 10, 16 10 43 Hand wheel w / ball
08410011 65 10, 16 10 46 Hand wheel w / ball
NBR seat, mounted with SC cylinder w/magnet piston
Product number Dimension Connection Max working pressure Bar Construction length Mounted
08321212 80 10, 16 10 46 SC 100
08321213 100 10, 16 10 52 SC 100
08321214 125 10, 16 10 56 SC 100
08321215 150 10, 16 10 56 SC 125
08321216 200 10 10 60 SC 160
08321217 250 10 10 69 SC 160
08321218 300 10 10 78 SC 160
08321219 350 10 6* 78 SC 200
08321220 400 10 6* 89 SC 200
08413110 50 10, 16 10 43 SC 100
08413111 65 10, 16 10 46 SC 100
EPDM seat, mounted with SC cylinder w/magnet piston
Product number Dimension Connection Max working pressure Bar Construction length Mounted
08413010 50 10, 16 10 43 SC 100
08413011 65 10, 16 10 46 SC 100