Proportional Directional Valve 4WRZ32W9-520-7X/6EG24K4/D3M - Bosch Rexroth R900778517

At the same size and the same nominal flow, it is mainly the spool symbol that separates the variants. The 4WRZ32W9-520-7X/6EG24K4/D3M carries symbol W9, moves 520 l/min nominal flow and is fitted with NBR seals for hydraulic fluid HL.

Benefits

• Spool symbol W9 for the intended mid position of the cylinder.
• 520 l/min nominal flow, up to 1600 l/min in size 32.
• NBR seals as the standard material for hydraulic fluid HL.
• 350 bar maximum operating pressure with connection diagram ISO 4401-10-09-0-05.
• 43.6 kg weight, external electronics at 24 V DC, connector 3-pole (2 + PE).

Applications

The valve goes into control blocks of large presses and power units where the mid position of the spool defines the state of the axis at standstill. Four ports and three switching positions serve a double acting cylinder. Pilot oil supply and return run externally.

Manufacturer

Bosch Rexroth, material number R900778517, product family 4WRZ(E). Characteristic curves, connection diagram and mounting dimensions are given in data sheets RE 29115 and RE 07600-B.