Ship Air Pressure Reducing Valve
Our CB/T3656-1994 Ship Air Pressure Reducing Valve is a precision-engineered pressure regulation device designed for marine and industrial compressed air systems. Manufactured with high-quality materials including cast steel, stainless steel, and bronze, this valve ensures reliable pressure reduction with ISO 2084 flange connections. Ideal for maintaining optimal air pressure in various marine applications, it offers exceptional durability and performance in demanding environments.
Key Features & Benefits
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CB/T3656-1994 Compliance: Meets Chinese marine standard specifications
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Multiple Material Options: Available in cast steel, stainless steel, and bronze for different application needs
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ISO 2084 Flange Connection: Standardized flange dimensions for easy installation and compatibility
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Dual Pressure Ratings: PN1.0-2.5MPa and PN4.0MPa configurations available
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Air Medium Specialization: Specifically designed for compressed air applications
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Precision Pressure Control: Accurate pressure reduction for system protection
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Marine Environment Optimized: Corrosion-resistant materials for long service life
Technical Specifications
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Standard: CB/T3656-1994
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Applicable Medium: Compressed Air
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Connection Type: Flange (ISO 2084-1974 Standard)
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Pressure Ratings: PN1.0-2.5MPa and PN4.0MPa
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Material Options: Cast Steel, Stainless Steel, Bronze
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Nominal Diameter: DN15 to DN50
Applications
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Marine compressed air systems
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Shipboard pneumatic control networks
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Offshore platform air supply systems
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Industrial air compression plants
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HVAC and ventilation systems
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Pneumatic tool supply lines
Dimension Charts (mm)
PN1.0-2.5MPa Configuration (ISO 2084-1974)
| DN | H1 | h1 | L | H | h | D | D1 | D2 | b | f | d | n | M |
|—-|—-|—-|—|—|—|—|—|—|—|—|—|—|—|—|
| 15 | 255 | 74 | 180 | 248 | 73 | 95 | 65 | 47 | 14 | 2 | 14 | 4 | M12 |
| 20 | 255 | 74 | 180 | 248 | 73 | 105 | 75 | 58 | 16 | 2 | 14 | 4 | M12 |
| 25 | 255 | 79 | 180 | 248 | 73 | 115 | 85 | 68 | 16 | 2 | 14 | 4 | M12 |
| 32 | – | – | 200 | 260 | 80 | 140 | 100 | 78 | 18 | 2 | 18 | 4 | M16 |
| 40 | – | – | 220 | 265 | 85 | 150 | 110 | 88 | 18 | 2 | 18 | 4 | M16 |
| 50 | – | – | 240 | 290 | 115 | 165 | 125 | 102 | 20 | 2 | 18 | 4 | M16 |
PN4.0MPa Configuration (ISO 2084-1974)
| DN | H1 | h1 | L | H | h | D | D1 | D2 | b | D3 | D4 | f | d | n | M |
|—-|—-|—-|—|—|—|—|—|—|—|—|—|—|—|—|—|—|
| 15 | 255 | 74 | 180 | 248 | 73 | 95 | 65 | 47 | 14 | 40 | 28 | 3 | 14 | 4 | M12 |
| 20 | 255 | 74 | 180 | 248 | 73 | 105 | 75 | 58 | 16 | 51 | 35 | 3 | 14 | 4 | M12 |
| 25 | 259 | 79 | 180 | 248 | 73 | 115 | 85 | 68 | 16 | 58 | 42 | 3 | 14 | 4 | M12 |
| 32 | – | – | 200 | 260 | 80 | 140 | 100 | 78 | 18 | 66 | 50 | 3 | 18 | 4 | M16 |
| 40 | – | – | 220 | 265 | 85 | 150 | 110 | 88 | 18 | 76 | 60 | 3 | 18 | 4 | M16 |
| 50 | – | – | 240 | 290 | 115 | 165 | 125 | 102 | 20 | 88 | 72 | 3 | 18 | 4 | M16 |
Note: The description might be incorrect, please contact us for confirmation.
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