Standard and scope
Standard, product family and subcategory can be checked before inquiry.
Marine Air Pressure Reducing Valve (CB/T3656-94) is designed to CB/T 3656-94 with external threaded ends. nominal size is DN1: DN15 / 20 / 25; DN2: DN20 / 25 / 32; set / adjusted pressure range is Inlet pressure 3.0 MPa; outlet pressure 1.0-0.7 / <0.7-0.2 / 0.4-0.05 MPa; suitable media are air. 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 Air Pressure Reducing Valve (CB/T3656-94) is designed to CB/T 3656-94 with external threaded ends. nominal size is DN1: DN15 / 20 / 25; DN2: DN20 / 25 / 32; set / adjusted pressure range is Inlet pressure 3.0 MPa; outlet pressure 1.0-0.7 / <0.7-0.2 / 0.4-0.05 MPa; suitable media are air. 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 | Marine Air Pressure Reducing Valve |
| Design standard | CB/T 3656-94 |
| Body material | Brass (ZHSi80-3) |
| End connection | External threaded |
| Item | Specification |
|---|---|
| Set / adjusted pressure range | Inlet pressure 3.0 MPa; outlet pressure 1.0-0.7 / <0.7-0.2 / 0.4-0.05 MPa |
| Nominal size | DN1: DN15 / 20 / 25; DN2: DN20 / 25 / 32 |
| Suitable media | air |
| Part | Material |
|---|---|
| Body | Brass (ZHSi80-3) |
| Bonnet | Cast steel (ZG230-450) |
| Spring | Spring steel (60Si2MnA) |
| Diaphragm | Oil-proof fabric-reinforced rubber |
Confirm working-pressure variation and sealing requirements for air 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.
