Technology Sourcebook
www.foodengineeringmag.com/articles/97092-parker-hannifin-p33-redundant-safety-valve

Parker Hannifin P33 redundant safety valve
November 14, 2017
The Parker Hannifin externally monitored P33 redundant safety valve for 2-channel control architectures can be integrated into a controls circuit to exhaust trapped energy from a machine on e-stop or a fault in the safety circuit. It offers connectivity using two M12 connectors for solenoid and pressure sensor connections. The fail-safe design ensures safety on the machine for up to Category 4, Performance level e applications. The valve can be used with a variety of safety-rated devices from major suppliers, such as Rockwell, Omron, Sick and Siemens.
Parker Hannifin; www.parker.com