Type: RTJ OCT Gasket Material Grade: ALLOY STEEL 5CR. 0.5 MO Size: 1 1/2” R-20 Pressure class: CL600 Type: Octagonal. Surface Treatment:Pickling etc. Application: Sealing etc. Packing: In Pallet/wooden case or as Your Requirements. Payment Terms: TT/LC, West Union, Paypal and O/A. Delivery Time: 7-25 Days after Received the Deposit.