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Bosch Rexroth | DBW30B1-5X350-6EW110N9K4

DBW30B1-5X/350-6EW110N9K4

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The Bosch Rexroth DBW30B1-5X/350-6EW110N9K4 is part of the DB Pressure Relief Valves series. This valve features a nominal size of 30 and supports a maximum flow rate of 650 liters per minute. It has a maximum operating pressure of 350 bar at ports P and x, and a maximum pressure of 160 bar at ports Y and t. The unit is designed with an internal pilot supply and drain, and uses an NBR seal material. It is mounted using a subplate and matches the ISO 6264 porting pattern. The directional valve type is 6E, which is a directional spool valve, and it uses a 3-pole EN 175301-803 (K4) electrical connector. Pressure can be adjusted with a rotary knob, and the valve features a concealed manual override. The working hydraulic fluid temperature range is minus 20 to plus 80 degrees Celsius.

Technical Specifications

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

Directional Valve Type
6E (Directional Spool Valve)

Electrical Connector
3-Pole EN 175301-803 (K4)

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

Manual Override
Concealed (N9)

Max Flow
650 l/min

Max Operating Pressure (port P,x)
350 bar

Max Pressure Port Y,t (6ew)
160 bar

Mounting Type
Subplate

Nominal Size
30

Pilot Supply/drain
Internal/Internal

Porting Pattern
ISO 6264

Pressure Adjustment
Rotary Knob

Pressure Rating
350 bar

Seal Material
NBR

Type Of Connection
B (Normally Open)

Viscosity Range
10 to 800 mm²/s

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