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several notes of gate valves
2012-06-18
Knife Gate Valves are widely used in chemical, coal, sugar, sewage, paper making, etc, it is an ideal seal Gate Valves.
- Before the installation, you should check valve cavity and sealing etc, are not allowed to have dirt or sand attached
- The connecting bolt, require must be locked
- Check the packing parts need compact, not only ensure the sealing of packing, but also to ensure the gate open flexible.
- The connection of actuating device must according to the circuit diagram
- Knife gate valves must be maintained regularly,can not arbitrarily collision and extrusion, lest it affect seal
- Before installation,user must check the valve type ,connection size and pay attention to the media flow,ensure consistency with the valve requirements
- when the user install the knife gate valves, you must reserve the necessary space of valve actuator.