Products
Circular ventilation butterfly valve
Applicable to industrial, metallurgical, flue gas dedusting, environmental protection, fan supporting and other pipelines for ventilation and medium flow regulation.
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Introduction
Product use
Applicable to industrial, metallurgical, flue gas dedusting, environmental protection, fan supporting and other pipelines for ventilation and medium flow regulation.
Product features
·The ventilation butterfly valve is novel in design, reasonable in structure, light in weight and quick in opening and closing.
·The butterfly valve has small operating torque, convenient operation and labor saving dexterity.
·Suitable materials shall be used to meet the requirements of low, medium and high medium temperatures and corrosive media.
·The ventilation butterfly valve has straight plate type and inclined plate type. The leakage of straight plate is 3%, and that of inclined plate is 1%.
·On the basis of the ventilation valve, add and change the valve body structure, add heating parts (high temperature oil heating, electric heating), so that it can be used in special environments.
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 D3/41/3/W | Handle/Worm Gear |
| Pneumatic D641/3/W | Switch/regulation/fast switching/explosion-proof |
| Electric D941/3/W | Switch/regulation/intelligent/explosion-proof |
Main parts and materials
| Valve body | Q235/Q345/304/316 |
| Valve plate | Q235/Q345/304/316 |
| Stem | 20Cr13 |
| Filler | Flexible graphite/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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