Air Pressure Reducing Valve (CB/T 3656) I Pneumatic Safety
Compact pressure reducer for compressed air lines.Maintains stable pressure for various marine equipment and automation tools.Suitable for environments under 60C.
Accreditation and Certificates:
Pneumatic systems stay safe with the CB/T 3656 valve. Compressed air often arrives from tanks at very high pressure. Reducing it to the exact level needed for tools and controls is essential.
Automation equipment benefits from quick stabilization provided by this unit. Air temperatures up to 60℃ are handled easily.Tight machinery spaces accommodate its compact size without issue. Bronze,Steel,or Stainless Steel options resist oxidation. High pressure accidents in air networks are prevented by this component.
Product Drawings：
Technical Specifications：
| Nominal diameter DN mm | inlet pressure P1(MPa) | |||
| 3 | 1 | |||
| Inlet DN1 | Outlet DN2 | outlet relief pressure P2(MPa) | ||
| 15 | 20 | 1.0-0.7 | 0.7-0.2 | 0.4-0.05 |
| 20 | 25 | |||
| 25 | 32 | |||
Key Features：
- Automation Ready: Stabilizes air for control systems.
- LowTemp Design: Functions perfectly up to 60C.
- Compact Size: Fits small bore pipes (DN15-DN32).
- Safety Lock: Prevents system over-pressure.
Applications：
- Pneumatic System: Deck machinery and engine room equipment.
- Control Systems: Air supply for actuators.
- General Service: Compressed air distribution.
Installation & Maintenance：
Installation: Inlet pressure must match the valve rating.Vertical installation is often preferred.
Maintenance: Clean the pilot valve to prevent clogging. Keep spare springs on board.
Custom Options Available：
Stainless steel bodies are available for humid or corrosive air environments. We provide customization services based on international standards such as ANSI, JIS, and DIN, ensuring compatibility with different global market requirements.
FAQ ：
Q1: Can steam pass through this valve?
A1: No. Air under 60oC is the limit. Steam requires the CB/T 1852 model.
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