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.
FOB Shanghai/Ningbo - 30-45 day lead - EN 10204 3.1 MTC per order
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.
EN 10204 3.1 MTC and shell / seat pressure testing are supplied per order. Supplementary inspection is arranged when specified.
| 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.
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.
