Technical Articles
How to maintain check valves?
Posted: 01/12/2017 17:50:15  Hits: 19
As automatic valve, the function of Muffle check valve is to prevent the media flow backward into the pipeline. It's mainly applied to one-way medium flow pipeline to avert accidents.
   
The maintenance of Muffle check valve:
  
Headstock piece should be in the closing device during the process of storage and transportation. Meanwhile, you should do the following works:
 
The valve clack of Muffle check valve should be set at opening position.
   
Use cystosepiment to block up both ends of the diameter. It can prevent valve from dirt and rust, and keep the channel clean and the end face smooth.
    
Cylinder area needs to be packed properly for protection, shockproof and anticollision.

Muffle check valve should be placed smoothly, pneumatic drives should be put upwards
     
Periodic inspection. Check it every three months, including the dirt and rust of channels and sealing surface, the protection of welding joints. After wiping the dirt and rust, it needed to be painted rust preventing oil again.
 
In order to prevent the medium from floating back, check valve should be installed in equipment, drives and pipelines.
   
Muffle check valves are usually applied in clean medium without containing solid particles and high viscosity.
  
Normally, the horizontal pipe with 50mm nominal diameters should be used vertical Muffle check valve.
 
Muffle check valve should be stored in a dry ventilated room in order to be water-proof, rain-proof and anti-rust.