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Overflow Valves Type Q series VARIVENT® are generally used as pressure relief valves in pipelines, preferably for positive displacement pumps.
The present series of overflow valves type Q is now available with a second actuator to support the spring force to close at a higher pressure than the adjusted set pressure by external air support. This is required in almost every product line, in which carbonated drinks are chased by water or vice versa to prevent the product from degassing and foam formation in the pipe, as in every beer filter line and racking line.
EPDM, FKM, HNBR
0,5 to 16 bar
up to 150°C
- Hygienic design
- Metallic stop
- three types of different actuators
- Housings with different diameters