Why use a hard shut-off valve should be sealed

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flange solenoid valve - China Manufacturer

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Shut-off valve leakage requirements as low as possible, the soft sealing valve leakage is the lowest cut off the effect is good, but do not wear, poor reliability. From leakage small, mini solenoid valve sealed and reliable double standards, soft seal off as hard sealing off well. Such as full-function ultra-light valve, sealing the reactor with wear-resistant alloy protection, high reliability, leakage rate of 10-7, has been able to meet the requirements of shut-off valve.solenoid valve actuator