The VBDC 80- series dual cross-over relief valves are built with two direct action relief valves and are used to limit the pressure on both connection lines. Sending pressure to the V port supplies the utility connected to it and the excess pressure is discharged to the V1 port. To adjust the maximum pressure on the V ports, use valve A. Vice versa, use valve B for the same operation on the V1 ports. Pressure adjustment is sensitive to any counter pressure on the discharge line. It is important to stay within the spring calibration range.

SPRING A: 5:50 bar - B: 20:260 bar (Standard) - C: 120:350 bar
SETTING screw (Standard), knob, screw+protection cup
ON REQUEST STEEL (VBDC-S-350 bar)
BODY MATERIAL ALUMINIUM
LINE MOUNTING

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