DEPAMU (Hangzhou) Pumps Technology Co.,Ltd is one of the leading hydraulic diaphragm metering pump dpmza manufacturers and suppliers, with professional factory we are able to produce Chinese best API Standard and API675 hydraulic diaphragm metering pump dpmza at both low price and good quality. If you are looking for Gemany technology or famous brand products, please feel free to contact us.Features● Adopt automatic oil supply and built-in safety protection technology, with mutual linkage of diaphragm一limit valve-compensating valve-built-in relief valve. Accuracy of limit valve reaches士0.002mm; surface hardness reaches 60-70HRC; roughness reaches 0.4um; it can be used for 80 million times within -800℃-1600℃ temperature range.● Use Ret PTFE macromolecule composite diaphragm. After multi-directional rolling and surface quenching treatment, evenness reaches 99.92%, which reduces cold flow during operation and enhances compression strength.● Built-in......url:http://www.depamupump.com