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Bosch Rexroth | LC40A40E7X004

LC40A40E7X/004

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The Bosch Rexroth LC40A40E7X/004 is part of the LC 2 Way Cartridge Valves series. It has a nominal size of 40 and features an installation interface that is compliant with ISO 7368. The valve supports maximum operating pressures up to 420 bar and is designed to handle hydraulic fluids such as HL, HLP, HETG, HEPG, and HEES. Fluid cleanliness must meet ISO 4406 Class 20/18/15 standards. The LC40A40E7X/004 operates within a fluid temperature range from -20 to +80 degrees Celsius and is compatible with viscosities from 2.8 to 500 mm²/s. Its seat area A1 is 11.10 cm², while the annulus area A2 is 5.52 cm², providing an area ratio of 2:1. This model includes piston sealing and a spool stroke of 17 mm without overlap, and it may require an intermediate cover type D19 or a special cover.

Technical Specifications

Annulus Area A2
5.52 cm²

Area Ratio (a1:a2)
2:1

Fluid Cleanliness
ISO 4406 Class 20/18/15

Hydraulic Fluids
HL/HLP; HETG; HEPG; HEES

Installation Interface
ISO 7368

Intermediate Cover Requirement
D19 (or special cover)

Max Fluid Temperature
+80 °C

Max Fluid Viscosity
500 mm²/s

Max Operating Pressure
420 bar

Min Fluid Temperature
-20 °C

Min Fluid Viscosity
2.8 mm²/s

Nominal Size
40

Piston Sealing
Yes

Seat Area A1
11.10 cm²

Spool Overlap
Without Overlap

Spool Stroke (e)
17 mm

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