Standard and scope
Standard, product family and subcategory can be checked before inquiry.
Marine Cast Iron Flanged Stop Valve (GB/T590-2008) is designed to GB/T 590-2008 with flanged ends. nominal size is DN50-300；65-250；20-50; pressure rating is 0.6 / 1.6 MPa; suitable media are seawater, freshwater, lubricating oil, fuel oil, steam; steam up to 220°C. 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 Cast Iron Flanged Stop Valve (GB/T590-2008) is designed to GB/T 590-2008 with flanged ends. nominal size is DN50-300；65-250；20-50; pressure rating is 0.6 / 1.6 MPa; suitable media are seawater, freshwater, lubricating oil, fuel oil, steam; steam up to 220°C. 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 Cast Iron Flanged Stop Valve |
| Design standard | GB/T 590-2008 |
| Body type | Type A/AS, Type B/BS |
| Body material | gray cast iron (HT200) |
| End connection | Flanged |
| Item | Specification |
|---|---|
| Nominal pressure | 0.6 / 1.6 MPa |
| Nominal size | DN50-300；65-250；20-50 |
| Suitable media | seawater, freshwater, lubricating oil, fuel oil, steam; steam up to 220°C |
| Part | Material |
|---|---|
| Body, Bonnet | gray cast iron (HT200) |
| Disc | cast tin bronze (ZCuSn5Pb5Zn5) |
| Seat | cast aluminum bronze (ZCuA19Mn2) |
| 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.
Confirm cleanliness and sealing compatibility for lubricating-oil service.
Confirm pressure, temperature and sealing material for fuel-oil 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.
