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Bosch Rexroth | DBW10B1-5X315-6EW230N9K4

DBW10B1-5X/315-6EW230N9K4

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The Bosch Rexroth DBW10B1-5X/315-6EW230N9K4 is part of the DB Pressure Relief Valves series. This valve is designed for subplate mounting and follows the ISO 6264-06-09-*-97 porting pattern. It supports a nominal size of NG10 and uses a 230 V AC coil with operation at 50 or 60 Hz. The product features a normally open directional valve state and internal pilot oil supply and return. Maximum operating pressure is 350 bar at ports p and x, 315 bar at port t, and up to 160 bar for version 6EW at ports y and t. The pressure can be adjusted using a rotary knob, and a concealed manual override option is included. The valve is suitable for hydraulic fluids with viscosities from 10 to 800 mm²/s, operating in ambient temperatures from -20 to 50 °C with NBR seals and fluid temperatures from -20 to 80 °C.

Technical Specifications

Ambient Temp (dbw)
−20 to +50 °C (NBR)

Coil Voltage
230 V AC 50/60 Hz

Connection
Subplate Mounting

Directional Valve State
Normally Open

Electrical Connector
EN 175301-803 3-pole (2+PE)

Hydraulic Fluid Temp
−20 to +80 °C (NBR)

Manual Override
Concealed (N9)

Max Operating Pressure (p,x)
350 bar

Max Operating Pressure (t)
315 bar

Max Pressure (y,t)
160 bar (version 6EW)

Nominal Size
NG10

Pilot Oil Supply/return
Internal/Internal

Porting Pattern
ISO 6264-06-09-*-97

Pressure Adjustment
Rotary Knob

Pressure Rating
315 bar

Viscosity Range
10 to 800 mm²/s

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