Butterfly valves consist of three parts: a valve, a shaft and a body. They are used for air and gas ducts or in pipelines.
DSL® | DSS® | DSK® light applications | DSK® heavy applications |
---|---|---|---|
Simple construction | Complex construction | Double flanged welded construction | Double flanged welded construction |
Supplied with a compression packing for optimal tightness | For extreme conditions such as high speed, pressure and temperature | Only available as wafer type | Only available as wafer type |
Temperatures up to 650°C | Only available as wafer type | Round or rectangular construction | Round or rectangular construction |
DN 50 mm up to DN 600 mm | Temperatures up to 1050°C | Temperatures up to 300°C | Supplied at both sides with an adjustable compression packing and with an additional bearing |
DN 80 mm up to DN 1600 mm | DN 280 mm up to DN 2000 mm | Temperatures up to 650°C | |
Can be supplied with shutter valves to control the steam | DN 250 mm up to 3000 mm | ||
Can be supplied with shutter valves to control the steam |