Looking for hydraulic pump & motor

RFQ Description

Hello,I am from SustainEarth, India. We are working in the field of Biogas and for same we required the pump. I am sending you the detailed requirement of the pump. If you have any suitable pump for us then please let us know1. pumping flow rate variable from 6 litres/min2.pumping pressure should not exceed 16 kpa during entire range of flowrates 3. Gas type : flammable Hence the Sealing between Gas chamber and Winding has to be of Very High Sealing / Else it should be isolated 4. Carrying gas composition of methane (50-60 pc , co2 30 pc, hydrogen sulphide 1 pc, trace amount of moisture 0.5 pc )5. Continouous operation of 4 hrs daily 6. Life of 5 years translating to 5000 hrs of operation )7. 1/3 inch inlet and outlet connectors8. Power options - either ac or dc . In case of dc - pump performance should not vary because of battery discharge chracteristics