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Bosch Rexroth | LC40A40D7X-004

LC40A40D7X/-004

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The Bosch Rexroth LC40A40D7X/-004 is a component in the LC 2 Way Cartridge Valves series. This model is built for installation in ISO 7368 standard bores. The valve features a maximum operating pressure of 420 bar and a cracking pressure from A to B of 4.00 bar. It has a seat area of 11.10 cm² and an annulus area of 5.52 cm², offering an area ratio of 2 to 1. The pilot area measures 16.62 cm² and the pilot volume is 31.6 cm³. The spool form is D, which comes with a damping nose, and the stroke for the LC.D version is 1.9 cm. It can operate with fluid temperatures from -30 to +80 °C for NBR seals or -20 to +80 °C for FKM seals, and supports viscosities from 2.8 to 500 mm²/s. The ambient temperature range is from -30 to +60 °C for NBR and -20 to +60 °C for FKM, while the weight of the valve is 1.9 kg.

Technical Specifications

Ambient Temp Range (fkm)
-20 to +60 °C

Ambient Temp Range (nbr)
-30 to +60 °C

Annulus Area A2
5.52 cm²

Area Ratio (a1:a2)
2:1

Cracking Pressure (a To B)
4.00 bar

Fluid Temp Range (fkm)
-20 to +80 °C

Fluid Temp Range (nbr)
-30 to +80 °C

Installation Bore Standard
ISO 7368

Max Operating Pressure
420 bar

Pilot Area A3
16.62 cm²

Pilot Volume (lc.d)
31.6 cm³

Seat Area A1
11.10 cm²

Spool Form
D (With Damping Nose)

Stroke (lc.d)
1.9 cm

Viscosity Range
2.8 to 500 mm²/s

Weight
1.9 kg

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