Valve types include Normally Open and Normally Closed valves, for use in fuel, hydraulic, or pneumatic applications.
阀门有常开和常闭两种,可用于燃油,液压或气动应用领域。
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Normally Open: When the coil is energized, the pilot hole closed, the valve chamber and pressurized by the piston return spring throttle thrust, the electromagnetic valve is closed.