Vertical multi-stage high pressure OH4 in-line pumps is our special design based on our professional experience and technical knowledge. So the pumps exceeded API610 standard requirement in some aspects:
3 sets of pumps with 3 stages in head of 75m exported in 2010;
3 sets of pumps with 5 stages in head of 235m exported in 2013.
Satisfied performance of first order, second order arrived and the pumps are now working very well.
