| Customization: | Available |
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| Media: | Gas, Water, Steam |
| Driving Mode: | Pneumatic |
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Hard seal butterfly valve, also called flap valve, is a kind of regulating valve with simple structure, and can also be used for switching control of low-pressure pipeline medium. Hard seal butterfly valve is mainly used to cut off and throttle the pipeline. The butterfly valve opening and closing part is a disc-shaped butterfly plate, which rotates around its own axis in the valve body to achieve the purpose of opening and closing or adjusting. Hard seal butterfly valve is suitable for pipes conveying corrosive and non-corrosive fluid media in producer, gas, steam, natural gas, city gas, cold and hot air, chemical smelting engineering and power generation environmental protection system, and is used to regulate and cut off the flow of media. Hard seal butterfly valve can be divided into manual hard seal butterfly valve, pneumatic hard seal butterfly valve and electric hard seal butterfly valve.
• Triple offset geometry
• Integral metal seal ring sealing
• Zero Leakage for both way
• Anti-blow out shaft
• Fire safe design to API607
• Replaceable Seat & Disc Sealing
• 0°-90°control, no jump area
• Friction free
A metal seated butterfly valve operates in a quarter turn style, meaning that rotating the closed disc 90° will fully open the valve, and vice versa. They can also be opened incrementally in order to throttle flow.
A metal seated butterfly valve operates in a quarter turn style, meaning that rotating the closed disc 90° will fully open the valve, and vice versa. They can also be opened incrementally in order to throttle flow. This can be accomplished manually, but throttling flow is more precise when used in conjunction with an actuator. Actuators can be customized to allow incremental flow, by using positioners in the case of pneumatic and hydraulic actuators, or by using modulating boards in the case of electric actuators.
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