Ball valve installation and maintenance

Ball valve installation:
1 First remove the protective cover at both ends of the flange, fully open the ball valve, and clean the valve and pipe.
2 Before installation, the whole machine test should be carried out according to the specified signal (electricity or gas) (to prevent the use of vibration due to transportation).
3 Note that the actuator cannot be used as a lifting point for lifting, to avoid deformation or damage of the actuator and accessories.
4 should be installed on the pipeline in horizontal or vertical direction.
5 There should be no drooping or external force near the installation point. The bracket or support can be used to eliminate the deviation and bending of the pipeline.
6 After fixing the position of the valve, the bolt and nut must be cross-locked with torque after the fit.
Maintenance (recommended anti-factory repair):
1. Before repairing, first relieve the pressure on the pipeline and open the valve completely. Disconnect the power supply or air supply and disengage the actuator from the bracket.
2, must be determined on the ball valve, after the downstream pipe pressure is removed, can start operation.
3. The steps and processes when decomposing and reassembling.
4. The cleaning agent should be compatible with the rubber parts, plastic parts, metal parts and working medium in the ball valve. When the medium is gas, the metal parts can be cleaned with gasoline, and the non-metallic parts are cleaned with pure water or alcohol.
5. The disassembled parts can be cleaned by dipping, and the undecomposed parts can be scrubbed with a clean silk dipping cleaning agent. Cleaning and cleaning must remove all grease, dirt, glue, dust, etc. adhering to the wall.
6, non-metallic parts should not be soaked in the cleaning agent for a long time to avoid expansion and corrosion.
7. After cleaning, it can be dried with a new silk cloth. After the wall cleaning agent is completely volatilized, it is assembled. At this time, it should be noted that it cannot be left for a long time, otherwise it will cause rust and dust pollution.
8. After all parts have been cleaned and dried, lubricate metal materials, rubber parts and plastic parts with grease. When the medium is gas, for example, special 221 grease can be used. Apply a thin layer of grease to the surface of the seal mounting groove, the rubber seal, the sealing surface of the valve stem and the friction surface.
9. Metal debris, fibers, dust and other impurities, foreign matter, etc. are not allowed to remain on the parts or enter the inner cavity during assembly.
10. After the assembly, check whether all the components are fitted and finished. Check the pipe and make the final assembly with the pipe.

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