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As a specialized manufacturer of industrial valves since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our CB/T4159-2001 Marine Plug Valve with Locking Device. Engineered for critical marine applications, this valve combines robust construction with essential safety features to ensure reliable performance in demanding environments. With ISO9001-certified manufacturing processes and an annual export volume of US$1-1.5 million, we deliver precision-engineered solutions trusted by clients across North America, Europe, Asia, and beyond.
Our marine plug valve features an innovative locking mechanism that prevents accidental operation, addressing vital safety requirements in shipboard systems. The corrosion-resistant stainless steel construction withstands harsh marine conditions while maintaining fluid integrity. Designed to exacting CB/T4159-2001 specifications, this valve offers:
- Quarter-turn operation for quick flow control
- Bidirectional sealing capability
- Reduced maintenance design
- Minimal pressure drop characteristics
- Visual position indicator
| Specification | Details |
|---|---|
| Body Materials | CF8M, WCB, Duplex (Optional) |
| Pressure Class | 150 LB, 300 LB, Others Available |
| Operating Temp | -20°C to 200°C (Extended Range Optional) |
| Lock Type | Mechanical Position Lock with Keyed Access |
The unique tapered plug design ensures tight shut-off even after prolonged service cycles. Our valves undergo rigorous quality checks including hydrostatic testing at 1.5 times working pressure and operational torque verification. For specialized applications, we offer customization options including alternative materials, extended temperature designs, and various end connections.
With distribution capabilities through Shanghai, Guangzhou, Hong Kong, and Beijing ports, we efficiently serve our global customer base across 15 major markets worldwide. Our decade-long expertise in marine valve manufacturing ensures you receive products that deliver:
- Enhanced operational safety through positive locking
- Reduced lifecycle costs via durable construction
- Compliance with marine industry standards
- Simplified maintenance procedures
Frequently Asked Questions:
Q: What fluids are suitable for this valve?
A: Designed for seawater, fuels, lubricants, and compressed air systems. Material selection determines chemical compatibility.
Q: How does the locking mechanism function?
A: A positive engagement lock secures the valve in open or closed position, requiring a dedicated key for operation changes.
Q: Are custom configurations available?
A: Yes, we offer alternative materials, special coatings, and modified dimensions to meet specific project requirements.
Q: What maintenance is required?
A: Minimal maintenance - periodic lubrication and visual inspection typically suffice for years of reliable service.
Q: Can this valve handle high-viscosity fluids?
A: The tapered plug design effectively handles fluids with viscosities up to 1000 cSt without leakage issues.
Q: What documentation accompanies delivery?
A: Each valve ships with material certification, test reports, installation manual, and maintenance guide.
Trusted by marine engineers worldwide, our valves have been implemented in offshore platforms, cargo vessels, and naval applications. Contact our Shanghai-based engineering team today to discuss your specific requirements and benefit from our extensive experience serving clients across six continents.
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