Direct-operated solenoid valve APR series
airpush-incontrol

direct-operated solenoid valve
direct-operated solenoid valve
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Characteristics

Control
direct-operated
Medium
air
Other characteristics
push-in, control
DN

0.25 in, 0.375 in

Temperature

50 °C
(122 °F)

Pressure

Max.: 15 bar
(217.6 psi)

Min.: 3 bar
(43.5 psi)

Description

The job of the progressive starter is to feed air into the circuit gradually with controlled flow. It comes in two versions with solenoid or pneumatic actuation. Both control signals cause the valve to open, which allows the air controlled by the flow regulator to flow slowly towards the downstream circuit. In the APR, when the pressure in the downstream circuit reaches 50%-60% of the upstream pressure, the valve opens the main inlet duct connecting.The time elapsing between starting and opening the valve can be adjusted via the built-in flow regulator. If it is necessary to relieve the downstream circuit quickly, merely operate the control valve which cuts off air flow in the pipe. This closes the valve and starts relieving the downstream circuit.The progressive starter acts both as an actuator positioner, which eliminates the risk of sudden kickback, and as a valve. N.B. With size 400, when the APR is mounted upstream of the regulator, the pilot regulator must be piloted at a pressure taken upstream of the APR, otherwise when the system is relieved, most of the air downstream will be relieved by the regulator and not the APR relief port.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.