China Carbon Steel Stainless Steel Penstock Stop Log, Find details about China Stop Log, Penstock from Carbon Steel Stainless Steel Penstock Stop Log
Frame: Cast iron/carbon steel/SS304/SS316/Aluminum alloy
Door: Cast iron/carbon steel/SS304/SS316/ Aluminum alloy
Stem/spindle: carbon steel/SS304/SS316
Seat: EPDM/NBR
Fixed Bolt and Nuts: Carbon steel:SS304/SS316
Opertation: Manual/Electric/Hydaulic