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Help CenterDouble Eccentric JIS F7480 Pneumatic Butterfly Valve for Seawater Cooling Systems
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As a trusted ISO9001-certified manufacturer since 2016, Shanghai Zhibang Valve specializes in engineering industrial valves that deliver uncompromising performance in demanding environments. Our Double Eccentric Butterfly Valve meets JIS F7480 standards and is engineered specifically for seawater cooling systems where corrosion resistance and reliability are non-negotiable.
Why choose our valve for seawater applications?
- ✅ Double Offset Design: Eliminates friction during operation, ensuring longer service life and bubble-tight shut-off
- ✅ Superior Corrosion Resistance: Constructed with 316L stainless steel or Duplex materials to withstand aggressive seawater
- ✅ Pneumatic Actuation: Provides rapid response times (less than 5 seconds) for precise flow control
Technical Specifications:
| Pressure Rating | PN10 to PN16 (Customizable to PN25) |
| Temperature Range | -10°C to 120°C |
| Leakage Class | Class VI (Zero Leakage) |
Key Benefits for Your Operation:
- ➤ 30% longer service life compared to standard butterfly valves in high-salinity environments
- ➤ Reduced maintenance costs with self-lubricating bearings
- ➤ Fail-safe options available (Spring Return/Double Acting)
With over $1.5 million in annual exports to 100+ countries including North America, Europe, and Southeast Asia, our valves are proven in global marine applications. Ships from Shanghai, Guangzhou, or Hong Kong ports within 15 working days. Contact us today for a corrosion-resistant solution that won't let you down.
FAQ Section:
Q: Is this valve suitable for other media besides seawater?
A: Yes, it works excellently with brackish water, chemical solutions, and other corrosive fluids.
Q: What pressure classes do you offer?
A: Standard PN10-PN16, with PN25 available upon request.
Q: Are positioners and limit switches included?
A: They come as standard features for precise control feedback.
Q: Do you provide custom face-to-face dimensions?
A: Yes, we accommodate non-standard specifications for OEM applications.
Q: What is the lead time for DN400 valves?
A: Typically 20 days for standard configurations.
Q: Can I get samples before bulk ordering?
A: Sample valves are available for testing and verification.
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