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TieLing ZG Valve Technology Co.,Ltd
Add:Fuzhou Road,Economic Development Zone,Tieling,Liaoning,China
Tel:+86-24-72690555
Fax:+86-24-72690111
Ph:+8615941025678
E-mail:tlvalve@aliyun.com
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Pneumatic Gate Valve Performance Testing
- Nov 03, 2016 -

1. moment of opening and closing of valves are in working under pressure; 2. work under pressure, to ensure valve is closed tight, continuous opening and closing times; 3. pneumatic gate valves in the pipeline flow resistance coefficient of condition testing. Pneumatic gate valves in the factory should make the following test: 1. in a State of open valve shall withstand the pressure value for the valve twice times the internal pressure test; 2. closing conditions, on both sides under 1.1 times times the pressure value for the valve, no leakage but metal sealing butterfly valve, leakage value is not greater than the associated requirements.