CB/T 601-92 Self-Closing Draw-Off Valve – Automatic Shutoff Valve for Marine Fluid Sampling & Drain Applications
Product Overview
The CB/T 601-92 Self-Closing Draw-Off Valve is a precision-engineered automatic shutoff valve specifically designed for marine fluid sampling, drainage, and bleed applications where corrosion resistance and reliable operation are critical. This self-closing safety valve ensures automatic shutoff after operation, preventing fluid loss and maintaining system integrity. Manufactured with premium corrosion-resistant materials and compliant with CB/T standards, it provides exceptional performance in demanding marine environments where internal and external corrosion protection is essential.
Key Features & Benefits
✔ Automatic Safety Operation
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Self-closing mechanism prevents accidental fluid loss
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Automatic shutoff after sampling or drainage completion
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Safety lock feature prevents unauthorized operation
✔ Premium Corrosion-Resistant Materials
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Body: High-grade cast steel for structural integrity
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Seat & Cover: Cast aluminum bronze for superior corrosion resistance
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Disc & Stem: Aluminum bronze for durability and smooth operation
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Custom Materials: SS304, SS316L, and other alloys available upon request
✔ Technical Excellence
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Pressure Rating: 0.25MPa for marine sampling applications
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Size Options: DN25 and DN40 for various system requirements
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Multi-Medium Compatibility: Suitable for various marine fluids
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Standard Compliance: Meets CB/T 601-92 specifications
✔ Quality & Reliability
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Excellent manufacturing quality with precision engineering
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Beautiful aesthetic design with functional performance
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Reliable operation in harsh marine environments
Technical Specifications
| Parameter | Specification |
|---|---|
| Standard | CB/T 601-92 |
| Nominal Pressure | 0.25 MPa |
| Nominal Diameter | DN25, DN40 |
| Body Material | Cast Steel |
| Seat & Cover Material | Cast Aluminum Bronze |
| Disc & Stem Material | Aluminum Bronze |
| Operation | Self-Closing Automatic |
Detailed Dimensions & Specifications
DN25 Configuration:
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| L | 136 mm | D | 105 mm |
| L1 | 183 mm | D1 | 73 mm |
| L2 | 130 mm | D2 | 56 mm |
| H | 168 mm | b | 12 mm |
| H1 | 62 mm | f | 1 mm |
| ¢ | 6 mm | n | 4 holes |
| d | 13 mm | ||
| Thread | M42×2 | Th. | |
| d1 | 39 mm | d2 | 29 mm |
DN40 Configuration:
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| L | 170 mm | D | 125 mm |
| L1 | 203 mm | D1 | 93 mm |
| L2 | 140 mm | D2 | 74 mm |
| H | 195 mm | b | 13 mm |
| H1 | 80 mm | f | 1 mm |
| ¢ | 7 mm | n | 6 holes |
| d | 15 mm |
Applications & Industries
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Marine fluid sampling systems
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Shipboard drainage and bleed applications
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Offshore platform sampling points
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Chemical and petrochemical tankers
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Naval vessel fluid systems
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Laboratory and testing connections
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Emergency drainage systems
The description/sizes may be different with goods, please check with us when order.
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