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Safety exhaust valve for emergency stop and fault conditions

18 February 2019

A new safety exhaust valve from Parker Hannifin rapidly exhausts compressed air in the event of a fault condition or when a machine has an emergency stop.

The P33 safety valve is designed for two-channel control architectures and is externally monitored. It features a fail-safe design and is suited to use in applications up to category 4 performance level e.
The P33 safety exhaust valves are optimised for long service life (B10d), very high flow rates, high faulted flow rates, and high mean time to failure (MTTF) values. Connectivity is via two M12 connectors that provide solenoid and pressure sensor interfacing. Compatibility with devices from popular manufacturers ensure versatility and flexibility of the valves.
Being externally monitored gives greater control at the safety device for the customer’s application. It also reduces the complexity of the machine for start-up or resetting of the valve. The fail-safe design of the P33 family is maintenance-free and requires no additional silencers or mufflers that can clog creating potentially unsafe exhaust conditions.

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