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The inspection of the diaphragm pump is different from other types of pumps. The main points are as follows:
1. When the diaphragm is replaced, the disassembly and assembly pump head should be lifted in advance to prevent falling damage;
Second, check the pump valve should pay attention to whether the seal ring is aging deformation, whether the spring elastic force is seriously reduced, whether the valve port and the valve core have any defects such as wear and corrosion. When installing, the valve end face should be flush with the pump body flange surface and cannot be recessed; Multi-stage pump 3. When the adjustment mechanism is disassembled, the stroke length position (stroke length is 5mm) should be calibrated. Remove the scale seat and slide the scale ring into the calibration position. The measured stroke length should be exactly the same as the scale; diaphragm pump four When the piston is disassembled, use a special pointed tool to remove the packing ring from its slot, taking care not to damage the ring groove;
5. The worm and worm gear should be inspected, the teeth should be intact, there should be no cracks or broken teeth, and the meshing contact should be checked during installation.
For customer`s needs, OEM service is also acceptable. If you have a good idea in new product production but lack of laboratory device and human resource, we are glad to solve this problem for you. Sincerely hope to strengthen exchanges and cooperation with friends from both home and abroad.
Diaphragm pump overhaul
The flow rate adjustment of the diaphragm pump is adjusted by changing the piston stroke by the rotation adjustment mechanism. The principle is: the hand wheel of the rotation adjustment mechanism (the position change on the dial can be seen), the axial transformation occurs through the adjustable shaft and the sliding shaft, and the movement is converted into the radial direction of the eccentric through the chute on the sliding shaft. Displacement, pushing the piston through the connecting rod, the flow adjustment is achieved due to the change of the piston stroke.