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Soft seal flange midline butterfly valve
It is suitable for regulating flow and intercepting medium on water supply and drainage and gas pipelines of food, medicine, chemical industry, petroleum, electric power, textile, paper making, etc.
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Introduction
Product use
It is suitable for regulating flow and intercepting medium on water supply and drainage and gas pipelines of food, medicine, chemical industry, petroleum, electric power, textile, paper making, etc.
Product features
·The design is novel and reasonable, the structure is excellent, and the opening and closing are fast; Two way sealing performance is high, torque value is small, and machining performance of parts is superior.
·Small operating torque, convenient operation, labor saving and dexterous; The flow characteristics tend to be straight and the regulation performance is good.
·Flange connection is convenient for installation, both vertical and horizontal.
·The valve is applicable to diameters below DN1200. The inner cavity of the valve body is covered with rubber/fluororubber, and the valve plate is made of body material. It can also be covered with rubber/fluororubber or stainless steel for corrosion resistance.
·The valve can be used as a vent valve at the pipe end with reliable performance.
standard specification
| Design Criteria | GB/T12238 |
| Structure length | GB/T12221 |
| Flange connection size | GB/T1724.6 |
| Inspection and test | GB/T13927 |
Model and transmission mode
| Manual G/D341X/F | Worm gear/pipe network |
| Pneumatic D641X/F | Switch/regulation/fast switching/explosion-proof |
| Electric D941X/F | Switch/regulation/intelligent/explosion-proof |
Main parts and materials
| Valve body | QT450/WCB/304/316 |
| Valve plate | QT450/WCB/304/316 |
| Stem | 20Cr13 |
| Filler | Rubber/PTFE |
Keywords.
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Message
Main： Butterfly valves, blind valves, gate valves, globe valves, ball valves, check valves, regulating valves, gates, metallurgical valves, hydraulic dams
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