Piston accumulators, bladder accumulators, diaphragm accumulators, bellows accumulators, spring accumulators, hydraulic accumulator systems, accumulator accessories, in each case being parts of machines and accumulator installations consisting of such accumulators, being parts of machines, including in the field of offshore and deep sea applications;machinery, namely, ball valves, check valves, non-return and relief valves,valves as machine components; machine parts, namely, couplings, flange...