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Help CenterJIS F7480 Marine Pneumatic Butterfly Valve With Manual Override for Emergency Use
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As an ISO9001-certified valve manufacturer established in 2016, Shanghai Zhibang Valve delivers premium JIS F7480 Marine Pneumatic Butterfly Valves engineered for critical marine applications. With over $1 million in annual exports to global markets including North America, Europe and Asia, our valves combine Japanese industrial standards with rugged reliability for emergency operations. This dual-operation valve ensures uninterrupted vessel functionality through its fail-safe manual override system.
Core Technical Advantages:
- Dual-mode operation: Pneumatic actuation for normal use + manual override for power loss scenarios
- Corrosion-resistant construction with optional SS316/CF8M bodies for seawater exposure
- Zero-leakage design tested to JIS F7480 pressure standards
- 360° position indicator for clear visual confirmation of valve status
Performance Specifications:
| Parameter | Specification |
|---|---|
| Temperature Range | -20°C to 150°C |
| Actuation Time | ≤ 5 seconds (pneumatic mode) |
| Manual Override Torque | ≤ 50 Nm (handwheel operation) |
| Seat Material | EPDM/NBR (standard), Viton® (optional) |
Benefiting marine engineers through:
- Emergency preparedness - Manual operation during power/pneumatic failures
- Reduced downtime - Field-maintainable stem seals and disc assembly
- Compliance assurance - Full traceability of JIS F7480 certification documents
Trusted by vessel operators across 15 global markets from Oceania to Northern Europe, our Shanghai-based facility ships via major ports including Hong Kong and Guangzhou. With ISO9001 quality systems ensuring consistent performance, this valve provides critical safety redundancy for offshore platforms, cargo ships and naval vessels. Contact our engineering team for customized solutions meeting your specific pressure and material requirements.
FAQ
Q: Can the manual override be engaged during pneumatic operation?
A: Yes, the handwheel can engage/disengage without interrupting pneumatic function through a clutch mechanism.
Q: What maintenance intervals are recommended?
A: Under standard marine conditions, we recommend inspecting seals every 2,500 operating hours.
Q: Are non-standard flange dimensions available?
A: Custom drilling patterns and face-to-face dimensions can be provided upon request.
Q: How does the JIS F7480 standard impact performance?
A: This Japanese marine standard ensures pressure integrity, material compatibility and fire-safe design for critical applications.
Q: What pneumatic pressure is required?
A: Standard models operate at 4-7 bar (60-100 psi), with custom actuators available for other pressures.
Q: Is the valve suitable for potable water systems?
A: Yes, with FDA-compliant EPDM seals upon request.
Q: What documentation is provided?
A: Each valve ships with material certificates, test reports and operation manuals.
Q: Can I get samples before bulk orders?
A: Sample valves are available with production lead times of 15-20 days.
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