Standard and scope
Standard, product family and subcategory can be checked before inquiry.
Marine Flanged Cast Iron Single Arrangement Suction Stop Check Box Valve (GB/T1855-93) is designed to GB/T 1855-93 with flanged ends. nominal size is DN40/50；50/200；200/250/250/300; pressure rating is 0.6 MPa; suitable media are seawater, freshwater. Confirm size, class, materials and documentation requirements with your inquiry.
FOB Shanghai/Ningbo - 30-45 day lead - EN 10204 3.1 MTC per order
Marine Flanged Cast Iron Single Arrangement Suction Stop Check Box Valve (GB/T1855-93) is designed to GB/T 1855-93 with flanged ends. nominal size is DN40/50；50/200；200/250/250/300; pressure rating is 0.6 MPa; suitable media are seawater, freshwater. 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 | Marine Flanged Cast Iron Single Arrangement Suction Stop Check Box Valve |
| Design standard | GB/T 1855-93 |
| Body material | gray cast iron (HT200) |
| End connection | Flanged |
| Item | Specification |
|---|---|
| Nominal pressure | 0.6 MPa |
| Nominal size | DN40/50；50/200；200/250/250/300 |
| Suitable media | seawater, freshwater |
| Part | Material |
|---|---|
| Body, Bonnet | gray cast iron (HT200) |
| Disc | cast tin bronze (ZCuSn5Pb5Zn5) |
| Seat, Stem | aluminum bronze (CuA19Mn2) |
Confirm material, flow velocity and installation position before seawater, ballast or sea-suction service.
For shipboard freshwater isolation, check or media-control duties.
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.
