- Pressure Rating up to PN16 barg
- Size Range DN 200 – 2000
- Maximum temperature up to 450° C
- Emergency valve for automatic back flow prevention in the event of pipe rupture or interruption of delivery of flow in pipe system.
Design Features
- Double flange acc. to DIN 3354 or other international standard
- Counterweight for independent closing assistance
- Available option for hydraulic damper to prevent system surge or reverse flow
- For hot gases or hot/cold water and steam
- Available in either metal or rubber seal (dependent on application)
- Available in different materials of construction to suit application or customer specifications.
- Available with different material coatings or lining to protect against corrosive or erosive media.
- Special designs available with dash-pot and actuator