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Bosch Rexroth | LFA40H4-7XFX12

LFA40H4-7X/FX12

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The Bosch Rexroth LFA40H4-7X/FX12 is a hydraulic component from the LFA 2 Way Control Covers series. It supports an operating pressure up to 420 bar and uses NBR as its seal material. The cover can be installed using UNC mounting bolts and features a remote port thread of G1/2, compatible with SAE-8 and 3/4-16 connection standards. Designed for a thread connection style of SAE External, it also has a nozzle diameter of 1.2 mm for channel X. The unit operates efficiently within a fluid temperature range from -30 to 80 °C and an ambient temperature range from -30 to 60 °C. Fluid cleanliness is maintained at ISO 4406 (c) 20/18/15, and it can handle viscosities between 2.8 and 500 mm2/s. The total weight of this control cover is 7.4 kg and the MTTFd value is rated at 150 years.

Technical Specifications

Fluid Cleanliness
ISO 4406 (c) 20/18/15

Max Ambient Temperature (nbr)
60 °C

Max Fluid Temperature (nbr)
80 °C

Max Operating Pressure (no Dir Valve)
420 bar

Max Viscosity
500 mm2/s

Min Ambient Temperature (nbr)
-30 °C

Min Fluid Temperature (nbr)
-30 °C

Min Viscosity
2.8 mm2/s

Mounting Bolt Thread
UNC

Mttfd
150 years

Nozzle Diameter (channel X)
1.2 mm

Remote Port Thread
G1/2 (SAE-8; 3/4-16)

Seal Material
NBR

Thread Connection Style
SAE External

Weight
7.4 kg

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