HEB Standard hydraulic cylinder NOZ 251 / NOZ-NI 251 DIN 24333 ? ISO 6022 ? CETOP RP 73 H Nominal pressure 250 bar (25 MPa) Test pressure 375 bar (37,5 MPa) Mode of construction - round basic design, piston-?, piston-rod-? and fixation systems according to DIN 24333, ISO 6022 and CETOP RP 73H, screw construction. Deliverable in the modes of operation simple- and double-acting, with and without damping - without modification of dimensions. Without modification of dimensions - consequently corresponding to the standard - also deliverable as ?NOZ-NI? with installed pressure- resistant proximity sensors. Controllable cushioning - with progressive change into the damping phase - without modifications of dimensions.