The diaphragm metering pump belongs to the vulnerable parts, because of aging, wear, high temperature, high pressure and other factors of damage, damage to the diaphragm can not continue to use, can only be replaced. Keyu mechanical Xiaobian teach you how to replace the diaphragm metering pump.

1. remove the 4 screws of the stationary pump head. The screw is positioned on the back of the metering pump

2. after the pump head is loosened, the length of the stroke is adjusted to the 0% position before the pump head is removed. The electromagnetic shaft has enough pressure to keep the connection stable, so that the diaphragm can be turned off

3. pull the fluid end from the Jack out of the screw. Seize the liquid side counter clockwise rotation. Some slight resistance, you can unscrew the diaphragm.

4. once the membrane was removed, check the safety of diaphragm metering pumps to ensure that they are intact, without any damage. The installation of the new diaphragm, back and diaphragm clockwise until the close. Conditioning backplane, so that leakage from the hole at the bottom of the pump.

5. after the diaphragm is installed, and the back plate drain hole is placed in the vertical position, the pump head is installed to ensure that the suction valve is aligned with the drain hole, and the screw at the hydraulic end is aligned with the corresponding 4 holes

6. rotate to the stroke length of 100% position, so that the whole component can be rotated to the back of the drain hole and the bottom of the pump alignment. During the operation of the pump, adjust the hydraulic end and diaphragm to the appropriate position

7. when the hydraulic end position together with the back adjustment, 4 bolts to tighten the diagonal way, until the appropriate date. The completion of the work force should be uniform.

Damaged metering pump diaphragm if not timely replacement will cause bad consequences, we must pay more attention to the use of the process, diligent observation, maintain the normal operation of the machine