Standard and scope
Standard, product family and subcategory can be checked before inquiry.
Marine Bronze Male Thread Packed Cock (GB598-80) is designed to GB598-80 with male thread ends. nominal size is DN32；20-25; pressure rating is 2.5 MPa; suitable media are seawater, freshwater, lubricating oil, fuel oil. Confirm size, class, materials and documentation requirements with your inquiry.
Lead time and Incoterms confirmed by order; MTC 3.1 scope confirmed during RFQ
Marine Bronze Male Thread Packed Cock (GB598-80) is designed to GB598-80 with male thread ends. nominal size is DN32；20-25; pressure rating is 2.5 MPa; suitable media are seawater, freshwater, lubricating oil, fuel oil. 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.
This GB598-80 model is a bronze male-thread packed cock rated at 2.5 MPa. Its connection and rating distinguish it from the 0.6 MPa flanged GB/T 593-93 variants.
| Decision field | This model | Confirmation boundary |
|---|---|---|
| Standard family | GB598-80 male-thread packed cock | Confirm standard scope and the thread specification required by the connected pipeline |
| Connection and rating | Male thread, 2.5 MPa | Check thread form, sealing method, torque and installation access |
| Application boundary | Bronze packed cock for marine service | Confirm medium, temperature, flow duty and certificate scope by order |
Compare all six variants in marine plug valves and cocks, and confirm substitution limits through the pressure and flange guide.
| Parameter | Value |
|---|---|
| Product | Marine Bronze Male Thread Packed Cock |
| Design standard | GB598-80 |
| Body type | Type A, Type B |
| Body material | Bronze |
| End connection | Male thread |
| Item | Specification |
|---|---|
| Nominal pressure | 2.5 MPa |
| Nominal size | DN32；20-25 |
| Suitable media | seawater, freshwater, lubricating oil, fuel oil |
| Part | Material |
|---|---|
| Plug body | cast tin bronze (ZCuSn10Zn2) |
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.
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.
