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.
FOB Shanghai/Ningbo - 30-45 day lead - EN 10204 3.1 MTC per order
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.
EN 10204 3.1 MTC and shell / seat pressure testing are supplied per order. Supplementary inspection is arranged when specified.
| 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.
Standard export wooden cases, palletized on request. Rust-preventative coating and desiccant for sea freight.
30-45 days after order confirmation. Stock sizes may ship faster.
FOB Shanghai or Ningbo. CIF/CFR available on request.
30% T/T advance, 70% before shipment.