Pneumatic butterfly valve installation and maintenance […]
Pneumatic butterfly valve installation and maintenance instructions
1. When the device is in the valve, the valve cavity and the sealing surface are arranged in advance, and no dirt is allowed to adhere to affect the sealing function. When using, regularly clean the sealing surface and the screw to add lubricating oil.
2. Electric equipment, rear handle and screw are not allowed to be used for lifting.
3. The finishing of the valve cavity together to clean (clean) the impurities in the pipeline of the equipment, to avoid the dirt impurities to seal the sealing surface and affect the sealing function.
4. In operation, the valve should be operated by the control box or manual equipment, and no other auxiliary tools should be used.
5. When the valve is not used temporarily, it should be stored in the boring room, and the two ends are blocked. It is not allowed to accumulate the product, so as not to damage the relevant parts of the product.
6. Before the valve leaves the factory, the opening and closing positions of the electric equipment are debugged. When the valve is installed on the pipeline, the first switch to manual operation opens the butterfly valve plate to about 30 degrees, and then restores the manual operation to electric. According to the electric equipment manual, wiring diagram, and control schematic diagram, after the correct wiring is confirmed, the valve on the control box is used to open and close the valve. Remember that if the power cord is reversed, it will cause the trip switch to malfunction, damage the worm gear and the electric and electric butterfly valve.
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