Metering pump common troubleshooting

A pump head outlet side of the causes of drug leakage 1: Hose connector or flange joint lock excessive deformation, O-ring damage. Disposal: Stop the pump, remove the leakage part, check the deformation and damage. Need to, O-ring and other pieces, replacement of new products. Cause 2: pump head or connector damage. Disposal: stop pump operation, remove the leakage part of the replacement. Second, the export volume to reduce the abnormal reason 1: flow control panel fixed Disposal: Lock control dial lock screw Cause 2: Pump suction or outlet port, or valve seat obstructed by foreign matter Disposal: Remove the relevant parts, check for foreign matter, and then thoroughly clean, and also check the valve top of the pump Cause 3: Fuduo valve (bottom valve) plug. Disposal: Disassemble bifido valve, check for dirt and remove the cause. 4: Long-term use of the diaphragm fatigue. Disposal: decomposition decomposition chart, replace the new diaphragm Replace the diaphragm, the average rotation of four screws unscrew (remove the diaphragm) or turn the average rotation (install the diaphragm) Third, the drug leakage from the bottom of the pump head at the back Cause: diaphragm damage Disposal: Decomposition decomposition, replacement of the new film. Replace the diaphragm, the four screws Loosen both turns (membrane removed) or the mean turn screwed