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Bosch Rexroth | LC40DB30D7X

LC40DB30D7X/

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The Bosch Rexroth LC40DB30D7X/ is part of the LC 2 Way Cartridge Valves series. This valve features a nominal size of 40 and supports fine control with a control spool form D. It is designed for pressure limiting and can operate at a maximum pressure of 420 bar. The installation interface follows ISO 7368 standards. It uses NBR seal material as standard, which allows for an ambient temperature range from minus 30 to plus 60 degrees Celsius. Hydraulic fluid options include HL and HLP types according to DIN 51524, with fluid temperature ranging from minus 30 to plus 80 degrees Celsius. The cartridge valve is suited for flame-resistant fluids such as HFC, HFDU, and HFDR. It has a weight of 1.9 kg and meets ISO 4406 cleanliness class 20/18/15.

Technical Specifications

Ambient Temp Range
–30 to +60 C (NBR)

Area Ratio A1:a2
1:0 (A2=0%)

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

Control Spool Form
D (Fine Control)

Flame-resistant Fluids
HFC, HFDU, HFDR

Function Type
Pressure Limiting (DB)

Hydraulic Fluid
HL, HLP (DIN 51524)

Hydraulic Fluid Temp Range
–30 to +80 C (NBR)

Installation Interface
ISO 7368

Max Operating Pressure
420 bar

Nominal Size
40 (NG40)

Pilot Pressure Supply
Internal or Port X

Seal Material
NBR (standard)

Viscosity Range
2.8 to 500 mm²/s

Weight
1.9 kg

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