China ISO 2531/En545/En598 Restrained Coupling for PE Pipes, Find details about China Restrained Coupling, Restrained Flange Adaptor from ISO 2531/En545/En598 Restrained Coupling for PE Pipes
Sleeve Center | Ductile Iron |
End Ring | Ductile Iron |
Gasket | EPDM/NBR |
Bolt | Carbon Steel Galvanized Class 4.8 6.8 8.8 |
Nut | Carbon Steel Galvanized Class 4.8 6.8 8.8 |
Coating | FBE |