Standard and scope
Standard, product family and subcategory can be checked before inquiry.
Marine Cast Steel Flanged Check Valve (GB/T586-1999) is designed to GB/T 586-1999 with flanged ends. nominal size is DN65-125；20-125；20-100; pressure rating is 2.5 MPa; suitable media are freshwater, lubricating oil, fuel oil, steam; steam up to 300°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 Steel Flanged Check Valve (GB/T586-1999) is designed to GB/T 586-1999 with flanged ends. nominal size is DN65-125；20-125；20-100; pressure rating is 2.5 MPa; suitable media are freshwater, lubricating oil, fuel oil, steam; steam up to 300°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 Steel Flanged Check Valve |
| Design standard | GB/T 586-1999 |
| Body type | Type A/AS, Type B/BS |
| Body material | cast steel (ZG275-485) |
| End connection | Flanged |
| Item | Specification |
|---|---|
| Nominal pressure | 2.5 MPa |
| Nominal size | DN65-125；20-125；20-100 |
| Suitable media | freshwater, lubricating oil, fuel oil, steam; steam up to 300°C |
| Part | Material |
|---|---|
| Body, Bonnet | cast steel (ZG275-485) |
| Disc | high-quality carbon steel |
| DiscSeal ring | stainless steel (E410) |
| BodySeal ring | stainless steel (E347) |
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.
Steam service is checked against temperature limits and pressure class.
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.
