Standard and scope
Standard, product family and subcategory can be checked before inquiry.
J Type Cast Steel Over Board Valve (CB/T4022-2005) is designed to CB/T 4022-2005 with flanged ends. nominal size is DN50-300; maximum working pressure is 1.0 MPa; suitable media are seawater. Confirm size, class, materials and documentation requirements with your inquiry.
Lead time and Incoterms confirmed by order; MTC 3.1 scope confirmed during RFQ
J Type Cast Steel Over Board Valve (CB/T4022-2005) is designed to CB/T 4022-2005 with flanged ends. nominal size is DN50-300; maximum working pressure is 1.0 MPa; suitable media are seawater. Confirm size, class, materials and documentation requirements with your inquiry.
Standard, product family and subcategory can be checked before inquiry.
Check valve configuration, connection and installation orientation against the structure drawing.
MTC, pressure testing, records and supplementary inspection scope are confirmed by product and order requirement.
| Parameter | Value |
|---|---|
| Product | J Type Cast Steel Over Board Valve |
| Design standard | CB/T 4022-2005 |
| Body type | Type AJ, Type BJ |
| Body material | Cast steel (ZG260-520C) |
| End connection | Flanged |
| Item | Specification |
|---|---|
| Maximum working pressure | 1.0 MPa |
| Nominal size | DN50-300 |
| Suitable media | seawater |
| Part | Material |
|---|---|
| Body, Bonnet | Cast steel (ZG260-520C) |
| Handwheel | Gray cast iron (HT200) |
| Disc, Seat, 压紧Nut | Cast bronze (ZCuSn5Pb5Zn5) |
| Stem | Leaded brass (HPb61-1) |
| Packing gland | Cast bronze (ZCuSn5Pb5Zn5) |
| Body导杆 | Leaded brass (HPb59-1) |
Confirm material, flow velocity and installation position before seawater, ballast or sea-suction service.
Export packaging and protection are planned by product type, transport mode and order requirements; palletizing can be arranged.
Lead time, Incoterms and payment terms are confirmed with the specification, quantity, certificate scope and production schedule.
MTC, test records, PMI, NDT and class-certificate scope are confirmed by product and order requirement.
Customer-nominated classification society or third-party inspection can be arranged when specified in the order.
