REXROTH LFA 40 D-71/F R900938073

Rexroth Hydraulic Logic Cover Assembly

Description

This is a LFA 40 D-71/F logic cover assembly from Bosch Rexroth, a key component for controlling functions in hydraulic systems. With a nominal size of NG40 and belonging to component series 7X, this cover is designed to be mounted on cartridge valve assemblies. It provides a pilot-operated check valve function, essential for reliable and safe operation in high-pressure industrial applications.

Specifications

• Manufacturer: Bosch Rexroth
• Type: LFA 40 D-71/F
• Material Number (MNR): R900938073
• Component Series: 7X
• Nominal Size: NG40
• Maximum Operating Pressure: 315 bar
• Function: Logic cover with pilot-operated check valve function

Label Info

• MNR: R900938073
• FD: 417
• Model: LFA 40 D-71/F
• Serial: 124085233

Application

This logic cover is typically used in industrial hydraulics, including press controls, heavy machinery, and manufacturing equipment, where precise flow and pressure control are critical.

Country of Origin

Made in Germany.

CO2 Impact

Opting for this component helps avoid the production of a new unit, saving an estimated 24.0 kg of CO2. This is comparable to the emissions from a 120 km car journey.

Availability

This item is in stock and ready for immediate dispatch. Order now from spareparts2day for expert support and fast delivery.

FAQ

Question?
What is the primary function indicated by the ‘D’ in the type code LFA 40 D-71/F?

The ‘D’ signifies that this logic cover incorporates a pilot-operated check valve function, allowing free flow in one direction and blocking flow in the opposite direction until a pilot pressure is applied.

Question?
What is the maximum operating pressure for this NG40 logic cover?

This component, as part of the Rexroth 7X series for NG40, is typically rated for a maximum operating pressure of up to 315 bar (approx. 4568 PSI).

Question?
Can this logic cover be used with any brand of NG40 cartridge valve?

While it is designed to ISO standards for size NG40, it is strongly recommended to use it with compatible Bosch Rexroth cartridge valves to ensure proper fit, sealing, and functional performance. Always consult the official datasheets for compatibility.

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Last Update: Friday, March 13, 2026