• Parker Hannifin India Private Limited

Integrated Accumulator Manifolds

Parker Hannifin offers Integrated Accumulator Manifold. This manifold is used to replace diaphragm accumulators in pilot circuit applications. To save space and reduce gas permeation beyond traditional diaphragm/manifold designs, the new IAM design integrates a piston-type accumulator directly into an aluminium manifold, making the manifold itself an accumulator. This approach effectively incorporates the accumulator, pilot circuit and switching valve circuit into a single compact fully integrated unit. The IAM design can accommodate up to 1000 psi (69 bar) operating pressure and features up to a 20 cubic inch (328 cm3) displacement. It is ideally suited for use on front-end loaders, backhoes, skid steers, aerial and man lifts. In this type of equipment, hydraulic accumulators are used to provide emergency power to pilot the directional control valve in the event of an engine failure that suspends a load in the air. Traditionally, this accumulator consists of a rubber diaphragm accumulator, usually about 4"" (10 cm) in diameter, attached to an aluminium manifold of about the same size. The design cuts the size of this critical component almost in half by making the manifold itself into an accumulator. A chamber within the manifold houses a piston, which separates the pressurised gas from the stored hydraulic fluid.