MaxRoy series hydraulic diaphragm metering pump Optional double diaphragm and diaphragm rupture alarm, diaphragm life ≥ 20000H Transportable medium temperature up to 90 ℃ (metal pump head) 0~100 stroke can be adjusted under running and stopping conditions Steady state accuracy of 10~100 range ± 1% Built in relief valve, set at working pressure+4Bar