Parker’s DWV Crossover Relief Valve is a fast-acting differential area design that provides pressure overload protection for an actuator where the relieved flow is 30 GPM or less. They are installed between the control valve and actuator.

Parker’s DWV Crossover Relief Valve is a fast-acting differential area design that provides pressure overload protection for an actuator where the relieved flow is 30 GPM or less. They are installed between the control valve and actuator.