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Bosch Rexroth | LC63A40E7XV

LC63A40E7X/V

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The Bosch Rexroth LC63A40E7X/V is part of the LC 2 Way Cartridge Valves series. This valve features a nominal size of 63 and an installation bore compliant with ISO 7368 standards. It is designed with a maximum operating pressure of 420 bar and uses an FKM seal material. The unit has a poppet design without a damping nose and a spring chamber area of 44.2 cm2. The seat area A1 is 30.2 cm2, while the annulus area A2 measures 14.0 cm2. The spool stroke is 2.3 cm, providing a theoretical pilot flow of 612 l/min. The model has a cracking pressure of 3.80 bar and a weight of 7.2 kg.

Technical Specifications

Annulus Area A2
14.0 cm2

Area Ratio (a1:a2)
2:1

Cleanliness Class
ISO 4406 20/18/15

Cracking Pressure (a→b)
3.80 bar

Installation Bore
ISO 7368

Max Operating Pressure
420 bar

Mttfd
150 years

Nominal Size
63

Pilot Volume (e)
102 cm3

Poppet Design
Without Damping Nose

Seal Material
FKM

Seat Area A1
30.2 cm2

Spool Stroke (e)
2.3 cm

Spring Chamber Area A3
44.2 cm2

Theoretical Pilot Flow (e)
612 l/min

Weight (cartridge)
7.2 kg

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