Umbrella-type Handwheel (valve part) certificate:ISO9001:2008,CE,API,GOST Umbrella-type Handwheel (valve part) Specification: DN: 50-400Certificate:ISO9001:2000Weight :0.1g-6g Material: Carbon steel; Cast Iron; ABS,PVC,PP,PC,NYLOY,PEEK Umbrella-type Handwheel (valve part)