Diaphragm accumulators are hydro-pneumatic accumulators with a flexible diaphragm as a separation element between the compressible gas cushion and the operating fluid. They are designed as weld-type or as screw-type options and are available in various different steels and elastomers as well as different gas ports. They can for numerous applications including:
Hytec Fluid Technology (HFT), a Bosch Rexroth South Africa Group Company, has an accumulation certification centre incorporating an accumulator test bench to help clients comply with regulations governing accumulator usage.
Accumulators are subjected to internal and external inspections as well as a hydrostatic pressure test and HFT is authorised to provide certification of manufacture and the verification signature of an Approved Inspection Authority.