With Mark II ABS System

Type Of Gas: Nitrogen
Gas Pressure: 80 Bar (1160 psi) (at 20°C)
Minimum Gas Pressure: 40 Bar (580 psi)
Capacity Liters: 0.25
Pressure Range, Operating Pressure: 135-190 Bar (1958-2755 psi)
Maximum Pressure Loss: /10 Min 110 Bar (1145 psi)





The pressure accumulator, which is screwed to the pump housing, is divided into two spaces by a rubber diaphragm.

One of the chambers is sealed and filled with nitrogen at a basic pressure of 80 bar (11160 psi) at 20 0 C (680F). The minimum permissible pressure is 40 bar (580 psi). If the pressure drops below this the pressure accumulator must be changed.

Brake fluid is pumped to the other chamber from the high-pressure pump via the non-return valve. This compresses the nitrogen and the space containing brake fluid grows larger. This increase in volume makes it possible to store large amounts of brake fluid under high pressure for immediate use.

The high-pressure pump is switched on only for as long as necessary to maintain the pressure between 140 bar (2030 psi) and 180 bar (2610 psi).