Standard and scope
Standard, product family and subcategory can be checked before inquiry.
Quick Shutting Valve For Marine Use (GB/T5744-2008) is designed to GB/T 5744-2008. nominal size is DN20-50; pressure rating is 0.25 MPa; suitable media are 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
Quick Shutting Valve For Marine Use (GB/T5744-2008) is designed to GB/T 5744-2008. nominal size is DN20-50; pressure rating is 0.25 MPa; suitable media are 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.
| Parameter | Value |
|---|---|
| Product | Quick Shutting Valve For Marine Use |
| Design standard | GB/T 5744-2008 |
| Body type | Type AQ, Type AQS, Type AS, Type ASS, Type BOQ, Type BOS, Type BS, Type BSS |
| Body material | Cast steel (ZG230-450) |
| Item | Specification |
|---|---|
| Nominal pressure | 0.25 MPa |
| Nominal size | DN20-50 |
| Suitable media | lubricating oil, fuel oil |
| Part | Material |
|---|---|
| Body, Bonnet | Cast steel (ZG230-450) |
| Cylinder body | Cast aluminum bronze (CuA19Mn2) |
| Disc | Carbon steel (45) |
| Stem, Piston rod | Stainless steel (2Cr13) |
| Piston | Zinc brass (CuZn38) |
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.
