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Bosch Rexroth | LC40B10E7X

LC40B10E7X/

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The Bosch Rexroth LC40B10E7X/ is part of the LC 2 Way Cartridge Valves series. This valve features a nominal size of 40 and is built for a maximum operating pressure of 420 bar. Its seat area A1 measures 15.55 square centimeters, while the annulus area A2 is 1.07 square centimeters. The area ratio between A1 and A2 is 14.3 to 1, with A2 accounting for 7 percent. Cracking pressure from port a to b is rated at 0.51 bar. This model has a pilot volume of 28.3 cubic centimeters and a theoretical pilot flow of 170 liters per minute. It uses NBR seal material and follows the ISO 7368 installation bore standard. The cartridge weighs approximately 1.9 kilograms and does not include a damping nose on the valve poppet.

Technical Specifications

Annulus Area A2
1.07 cm²

Area Ratio A1:a2
14.3:1 (A2=7%)

Cracking Pressure (a→b)
0.51 bar

Installation Bore Standard
ISO 7368

Max Operating Pressure
420 bar

Nominal Size
40

Pilot Volume (e)
28.3 cm³

Seal Material
NBR

Seat Area A1
15.55 cm²

Spool Stroke (e)
1.7 cm

Spring Chamber Area A3
16.62 cm²

Theoretical Pilot Flow (e)
170 l/min

Valve Poppet
Without Damping Nose

Weight (cartridge)
1.9 kg

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