In critical automated processes, a loss of air pressure or an electrical failure can be catastrophic. Our Pneumatic flanged ball valve with manual override (Q641F-16P) provides the ultimate safety net. By integrating a high-performance pneumatic actuator with a declutchable worm-gear handwheel, we ensure that you always maintain control. Under normal conditions, the valve operates via remote signal; in an emergency, a simple flick of a lever engages the handwheel, allowing for manual operation. This Pneumatic flanged ball valve with manual override is essential for high-risk chemical lines and unmanned gas stations.
Reliability is built into the assembly. At Suhao Valve, we pre-calibrate every Pneumatic flanged ball valve with manual override in our factory, performing a 10-cycle automated test followed by manual operation verification. The handwheel mechanism is IP65 rated for outdoor use and features an interlocking design to prevent the actuator and handwheel from working against each other. Leveraging our 30-year history, we deliver a robust, "two-in-one" solution that major industrial clients like Baosteel rely on for their most sensitive pipelines.
Specifications
Valve Model: Q641F-16P (304 SS) / 16C (WCB)
Actuator: AT Series Double/Single Acting
Manual Override: Declutchable Worm Gear
Pressure Rating: PN16 - PN40 / Class 150 - 300
Protection Grade: IP65 for all components
Application Areas
- Energy: Gas gate stations and critical fuel lines.
- Chemical: Automated reactors requiring manual emergency shutoff.
- Water Treatment: Remote-controlled main isolation valves.
Factory Customization & Strength
Our 10,000+ sqm manufacturing base features a specialized automation integration workshop. We can customize the Pneumatic flanged ball valve with manual override with your choice of solenoids, limit switches, and positioners. We also offer custom color-coding for valve bodies and specialized mounting for extreme temperature service. As a source factory, we ensure that the entire system-valve, actuator, and handwheel-is perfectly matched for peak performance.
Quality Control & After-Sales
Every unit undergoes a comprehensive 100% system test, including air-tightness of the pneumatic circuit and signal feedback accuracy. We provide a 12-month warranty and 24/7 technical support. If a manual override requires field adjustment, our technicians can provide real-time video guidance to your maintenance team.
FAQ
Q: How do I switch to manual mode?
A: A simple clutch lever on the gear box disengages the actuator and allows the handwheel to take over.
Q: Can this be used on steam?
A: Yes, with the addition of a high-temperature mounting pad and heat-resistant seals.
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