Diaphragm accumulators

Diaphragm accumulators have a rubber plate or diaphragm as the separating element. This element is either welded or screwed together between two spherical shells (or compartments). The compartment above the diaphragm is filled with nitrogen. The compartment below is directly connected to the hydraulic circuit. Diaphragm accumulators are the smaller of all hydraulic accumulator types and available at fluid storage capacities of 0.075 to 4 litres.

Thus diaphragm accumulators are useful if the required fluid storage capacity is low (i.e. 4 litres or less). Diaphragm accumulators have most of the advantages of bladder-type units, but can handle gas compression ratios of up to 8:1. However, they are limited to smaller volumes, and their performance can sometimes be affected by gas permeating across the diaphragm. The small size and numerous mounting options makes it very useful for mobile applications.

Damen Technical Agencies, B.V., also known as DTA Hydraulics, is a highly-specialised engineering sales company with core competence in hydraulic parts, equipment and machinery.

DTA has been serving your industry with the supply of hydraulic parts, components and as a Parker distributor hydraulics for more than 30 years. In 2010 we were fully qualified and certified as a distributor of hydraulics by Parker Hannifin. Together we developed a rapid delivery program for the genuine Denison Hydraulics Vane Technology.

DTA can be your one-stop-shop and supplies high-quality brands only such as Parker Hannifin (Denison Hydraulics, Olaer, Calzoni, VOAC, Sterling Hydraulics), Bosch Rexroth (Brüninghaus, Eppensteiner, Hägglunds, Hydromatik, Oil-Control), Bucher Hydraulics, Moog, STAR Hydraulics, Hydac and Eaton (Char-Lynn, Eaton Hydraulics, Integrated Hydraulics, Vickers).