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The slow start valve allow to pressurize a pneumatic circuit in two phases. During the first phase the outlet pressure increase gradually approximately up to half inlet pressure. After that the outlet pressure increase fast till that the outlet pressure is the same as the inlet pressure.
It’s available with all AIRON FRL components, usually it is place after the FRL to reduce damage during the pressurize phase.
The slow start valve is also a shutoff valve because, when the pilot is inactive, it discharge immediately the pressure inside the circuit.
It is available in G1/4, G3/8 and G1/2 sizes and with pneumatic or electrical pilot.
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