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Help CenterPneumatic Actuated Quick Closing Valve - Marine Bronze JIS F7399 Standard
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As a professional manufacturer of industrial valves since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in delivering high-performance fluid control solutions. Our Pneumatic Actuated Quick Closing Valve, engineered to meet the rigorous JIS F7399 standard using marine-grade bronze, offers exceptional reliability for critical shutdown applications in marine and industrial environments. With over $1 million in annual exports to global markets, we've refined this valve to ensure rapid response times and superior corrosion resistance.
This valve integrates a robust pneumatic actuator with precision-engineered bronze components, creating an optimal solution for emergency isolation scenarios. The quarter-turn operation mechanism guarantees closure within seconds, significantly reducing potential hazard exposure. Designed for seamless integration into existing piping systems, it maintains consistent performance even under high-vibration conditions typical in marine applications.
Key technical specifications include:
- Material Integrity: Marine bronze construction provides outstanding saltwater corrosion resistance
- Rapid Closure: Actuator achieves full closure in <3 seconds (adjustable)
- Fail-Safe Operation: Spring return mechanism ensures automatic closure during power loss
- Versatile Configuration: Available in 2-way or 3-way designs with multiple end connection options
- Low Maintenance: Self-lubricating bearings and sealed stem design
Performance parameters across standard sizes:
| Size (DN) | Flow Coefficient (Cv) | Air Consumption | Torque Requirement |
|---|---|---|---|
| 50 | 48 | 0.15 Nm³/min | 22 Nm |
| 100 | 195 | 0.35 Nm³/min | 85 Nm |
| 200 | 780 | 1.2 Nm³/min | 320 Nm |
Installation flexibility is enhanced by:
- 360° actuator mounting position adjustability
- Optional position indicators and limit switches
- Dual-direction flow capability with no orientation restrictions
- Flange drilling patterns compatible with JIS, ANSI, and DIN standards
Backed by ISO9001 certification and serving clients across 5 continents from our Shanghai manufacturing base, we guarantee product consistency through rigorous quality control protocols. Our valves undergo comprehensive testing including hydrostatic shell tests at 1.5x rated pressure and functional cycle testing of 10,000 operations minimum. With shipments available from multiple Chinese ports including Shanghai, Guangzhou, and Hong Kong, we ensure timely delivery to global destinations.
Frequently Asked Questions:
Q: Why choose marine bronze for this application?
A: Marine bronze offers exceptional resistance to biofouling and seawater corrosion, making it the preferred material for maritime environments per JIS F7399 requirements.
Q: Can this valve handle high-viscosity fluids?
A: Yes, the high-torque pneumatic actuator provides sufficient closing force for media up to 2000 cP viscosity. Special seat designs are available upon request.
Q: What air pressure is required for operation?
A: Standard models operate at 4-7 bar (60-100 psi), with low-pressure versions (2.5 bar) available for specialized applications.
Q: Are explosion-proof actuators available?
A: Yes, ATEX and IECEx certified pneumatic actuators can be provided for hazardous area installations.
Q: What maintenance intervals are recommended?
A: Under normal service conditions, we recommend inspection every 24 months or 50,000 cycles, whichever comes first.
Q: Can you provide custom port configurations?
A: Absolutely. Our engineering team can adapt flange facings, drilling patterns, or threading to match specific system requirements.
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