AZPFF-11-011/005RRR2020MB

The AZPFF-11-011/005RRR2020MB is produced by Bosch Rexroth within the AZPF External High Performance Gear Pumps series and serves hydraulic automation by supplying flow in dual circuits. The pump turns in a clockwise direction, allowing it to pair with drive motors configured for standard right-hand rotation. Section I displacement is 11.0 cm³ per revolution, providing the larger of the two flows required for primary actuators, while section II displacement of 5.0 cm³ per revolution delivers a secondary flow for auxiliary functions. Intermittent pressure tolerance reaches 280 bar in section I, enabling the main circuit to operate cylinders or motors at high load, and the same 280 bar rating in section II ensures equal pressure capability for the auxiliary circuit. The pump uses HLP hydraulic fluid according to DIN 51524 so that system designers can select a widely available mineral oil with known wear and oxidation limits. A maximum drive torque of 110 Nm on shaft R defines the mechanical load that the prime mover must supply during peak pressure periods.

For cold starts, the unit accepts viscosity up to 2000 mm²/s, allowing safe engagement when the oil is thick at low temperatures. Power is transmitted through an SAE J744 16-4 9T spline, which standardizes coupling dimensions and simplifies connection to compatible shafts. The spline minor diameter of 15.456 mm provides the contact surface necessary to carry the specified torque without fretting. An SAE J744 82-2 mounting flange with an 82.55 mm pilot centers the housing accurately on motor or bracket faces. M6 mounting threads combined with a bolt depth of 13 mm secure the pump while preventing fastener overstress in aluminum bodies. NBR seals are fitted to resist mineral oil and maintain leakage control across the specified temperature range.