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Bosch Rexroth | LC40A40D7X

LC40A40D7X/

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The Bosch Rexroth LC40A40D7X/ is a 2 way cartridge valve from the LC 2 Way Cartridge Valves series. This model features a nominal size of 40 and uses an installation interface compliant with ISO 7368. The valve has a seat area of 11.10 cm² and an annulus area of 5.52 cm², creating an area ratio of 2 to 1. It operates with a maximum pressure of 420 bar and a cracking pressure of 4.00 bar. The valve poppet is designed with a damping nose. Cleanliness class according to ISO 4406 is rated at 20/18/15. The cartridge itself weighs 1.9 kg and its mean time to dangerous failure is rated at 150 years per EN ISO 13849.

Technical Specifications

Annulus Area (a2)
5.52 cm²

Annulus Area Fraction
50%

Area Ratio
2:1

Cleanliness Class (iso 4406)
20/18/15

Cracking Pressure
4.00 bar

Installation Interface
ISO 7368

Max Operating Pressure
420 bar

Mttfd (en Iso 13849)
150 years

Nominal Size
40

Seat Area (a1)
11.10 cm²

Valve Poppet
With Damping Nose

Weight (cartridge)
1.9 kg

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