Mechanical diaphragm metering pump, suitable for papermaking sizing agent addition pump, papermaking bactericide addition pump, papermaking filter aid addition pump, papermaking AKD sizing agent addition pump, papermaking additive addition pump, papermaking sizing agent addition pump. 【Flow Range】9L/H—2000 L/H available for selection, manual 0%-100% flow adjustment can be performed whether the pump is running or stopped. Maximum output pressure: 12Bar; Pump head: PVC (standard), PVDF, SUS316; Diaphragm: PTFE material; Motor: Standard motor, variable frequency motor, explosion-proof motor. 【Applications】Metering and dosing in industries such as environmental protection, electroplating, papermaking, petroleum, chemical, pharmaceutical, printing and dyeing, food, etc.