Valve body,LY12-CZ Valve core,1Cr18Ni9Ti Sealing,EPDM(E),metallic sealing PackingValve detection ... -voltage electrical apparatus matching production, including large-scale housing casting, conductor, precise valve, pipe fitting, shielding case and machining ... 11ms Operating life,5000 times Material & connection Valve body,LY12-CZValve core,HPb59-1Spring,3J9Sealing,EPDM(E),metallic sealingConnecting, ...