Valve body,LY12-CZ Valve core,1Cr18Ni9Ti Sealing,EPDM(E),metallic sealing PackingValve detection ... manufacture small-scale combination valve, automatic compensation for plunger shut-off valve, self sealing valve and double-headed valve. Our products have ... 11ms Operating life,5000 times Material & connection Valve body,LY12-CZValve core,HPb59-1Spring,3J9Sealing,EPDM(E),metallic sealingConnecting,M45 ...