Rexroth Hydraulic Logic Cover with Pressure Relief Valve

Description

This is a Rexroth LFA 40 DBW2-71/200, a logic cover designed for 2-way cartridge valves according to ISO 7368. This component integrates a pilot-operated pressure relief valve, allowing for precise pressure limitation in hydraulic circuits. The pressure setting is adjustable via a rotary knob. It is a robust and reliable component for various industrial hydraulic applications.

Specifications

• Manufacturer: Rexroth
• Type: LFA 40 DBW2-71/200
• Material Number (MNR): R900938095
• Component Series: 7X
• Nominal Size: 40 (NG40)
• Valve Type: Pilot operated pressure relief valve
• Pressure Setting Range: up to 200 bar
• Adjustment: Rotary knob

Label Info

• MNR: R900938095
• FD: 41729
• Type: LFA 40 DBW2-71/200
• Serial: 124095082

Application

This logic cover is used in industrial hydraulics, machine tools, presses, and general machinery manufacturing to control the pressure in a hydraulic system by piloting a larger cartridge valve.

Country of Origin

Made in Germany.

CO2 Impact

By purchasing this pre-owned item, you help avoid the production of a new one, saving an estimated 16.6 kg of CO2. This is comparable to the emissions from driving a car for 83 kilometers.

Availability

This item is in stock and ready for immediate dispatch. Order now from PLC2Day for expert support and fast delivery.

FAQ

Question?
What is the maximum adjustable pressure for this LFA 40 DBW2-71/200 model?
Answer:

This specific model, as indicated by the "/200" in its type code, has a maximum pressure setting of 200 bar.

This logic cover is designed for use with mineral oil (HL, HLP) according to DIN 51524, and it can also be used with other hydraulic fluids upon request. Always consult the official Bosch Rexroth datasheet for a full list of compatible fluids and operating temperature ranges.

No, the LFA logic cover is designed to be mounted on a standard installation cavity for a 2-way cartridge valve (according to ISO 7368). It functions as the control pilot stage for the main cartridge valve seated in the manifold block.

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Last Update: Friday, March 13, 2026