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SISTAG knife gate valves for difficult environments and corrosive media.
- Pressure: PN10-PN100
- Valves leakge class is A, zero leakage for bi-directional flow
- Unique WEY sealing system allows bubble-tight shut-off due to the joint action of various factors during the closing stage
- Manual versions available and with all types of actuators
Special solutions for high fibre concentration mass, dry abrasive medias and thick slurries.
Wey valve types:
For more standard solutions and lower pressures 1-10bar:
VN:
- Cast iron, stainless steel
- Body semi-lug type, for pipe end service
- Size: DN50-1400
- Pressure: PN10-PN6
- Broad sealing selection
- Available with quick action lever to lower pressure solutions
MF/MG:
- MF cast iron, MG ductile Iron, stainless steel
- Monoflange, for pipe end service
- MF sizes: DN50 1600 mm, MG: DN100-600
- Pressure MF: PN10, MG: PN16
- Broad sealing selection
- Options for dry, abrasive medias
MH:
- MH ductile iron, stainless steel
- Monoflange / Lug, for pipe end service
- Double transverse seal with scraper
- Size: DN 80 400 mm
- Pressure PN25
- Gate guided for full length of stroke, with 60° arc geometry which prevents jamming, refer to illustration
- Flush ports in corners
- Broad sealing selection
- Options for special solutions
Also available for ATEX locations and special materials for example duplex, titanium etc. if requested.
Locations:
- Bio gas
- Cement Industry
- Chemical Industry
- Coal Fired Power Station
- Waste Handling
- Mining Industry
- Petrochemical Industry
- Off-shore
- Slurry
- Power
- Pulp & Paper
- Sand & Gravel
- Steel
- Waste Utility
Special versions:
HD: DN50-400 PN100, mining, chemical, oil industry
HSI: DN100-400, PN10-16, explosion protection
Contact personnel

