... Diameter center Distance)130mmB225.5mmC69.5mmD213mmE166.5mmConnectorM30×2Main Technical Data Main Technical Data ItemTechnical specificationFlow RangeQNominalQmaxQmin2.5m3/h4m3/h0.025m3/hBasic ... This mechine is used for worker collecting data from end user, the data can be transfered to gas compnay ... center, which do not need worker input the data to computer anymore. For the after-sale service, ...