The Belimo Wafer type Butterfly Valve for shut-off functions in open and closed cold and hot water systems.
The Butterfly valve is opened or closed completely by an open-close rotary actuator.
Continuous rotary actuators can move the valves discs into any position desired. The disc made of stainless steel is pressed into the soft-sealing EPDM seat.
Specification
Media:Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Cold and warm water, water with glycol up to max. 50% vol.
Medium Temperature:            -20…120°C
Permissible Pressure ps:Â Â Â Â Â Â Â Â Â 1600 kPa
Leakage Rate:Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Leakage rate A, tight (EN 12266-1)
Pipe Connectors:               DN 25…200: Flange PN 6/PN 10/PN16 (according to ISO 7005-2)
DN 250…350: Flange PN 10 / PN 16 (according to ISO 7005-2)
DN 400…700: Flange PN 16 (according to ISO 7005-2)
The angle of Rotation:           90°
Installation Position:Â Â Â Â Â Â Â Â Â Â Â Â Upright to horizontal (in relation to the stem)
Suitable Connection Flange:Â Â Â Â Â In accordance with ISO 7005-2 and EN 1092-2
Maintenance:Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Maintenance-free





