The ROSTA double suspension units type AD-P/AD-C are used for suspending and supporting two-mass shaker systems. The center point, for frame fixation, is in the middle of the double rocker arm. The AD-P suspension units are mounted by means of fixing flanges. The housings and the inner square sections are made of welded steel. The core of the AD-P type is equipped with fixing plates constructed analogously to the AU type. ROSTA Double Rocker Suspension Unit, Type AD-PV, Specifications: 135 lb Load, 28 mm Amplitude, Welded Steel, Blue Painted, 4.09 in L x 5.51 in W x 14.96 in H