Categories
Contact Us

Add: No.34 Yunguang Road, Oubei, Yongjia , Wenzhou, Zhejiang, China

Mob: +8613588932300

E-mail:koeo@koeochina.com

Knowledge
Home > Knowledge > Content
Hidden trouble investigation
Feb 02, 2018

First, the pump is running but the flow is too low

1, check whether the pump cavity plaque, adjust the compressed air inlet pressure. Reduce the pump speed to adjust the viscosity and concentration of liquid.

2, check the valve ball is stuck. If the delivery of liquid and valve ball material does not match. The ball will be swollen Please replace the ball and seat of the suitable material.

3, please check whether the inlet pipe is blocked.

Second, pneumatic pneumatic diaphragm pump can not start or move slowly

1, check the filter, pressure and lubrication devices and air inlet filter is blocked.

2, check whether the air valve stuck by impurities, please remove the valve and clean it, check whether the valve piston scratches. If the piston surface is bright and not black, it means that worn piston and "O" rings need to be replaced. Traces of injury. Please replace the new product

3, check the spindle and the "O" ring for scratches, wear and crushed traces, if damaged please replace.

Third, liquid leakage from the gas chamber vent

1, please check the diaphragm is broken.

2, check the diaphragm is installed and locked properly.

Fourth, the export of liquid contains a lot of bubbles

1, please check the diaphragm is broken.

2, check whether the pump body and pipeline leak.


  • Newsletter
  • Categories
  • Contact Us

    Add: No.34 Yunguang Road, Oubei, Yongjia , Wenzhou, Zhejiang, China

    Mob: +8613588932300

    E-mail:koeo@koeochina.com

  • QR Code
  • Copyright © Zhejiang Koeo Petroleum Machinery Co.,Ltd All Rights Reserved.