The test benches of this model are vertical type with multi working positions, that is one hydraulic control station controls, clamps and tests several valves with same nominal pressure ratings, which are specially suitable for performing the high pressure water shell and seat pressure test and 6-7bar(0.6-0.7MPa) low pressure air seat pressure test on small forged or casted valves with flange, weld or thread end( Ordindary gate, ball, globe and check valves) with nominal size DN15-100(1/2"-4), nominalpressure rating Class150-Class1500 or Class2500(PN25-PN250or PN420.
As per customers' special request, test benches of this type can be designed and made to be with 2-6 workling positions.