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Bosch Rexroth | DBW20BG2-4X315-6EW110N9K412-W65

DBW20BG2-4X/315-6EW110N9K4/12 W65

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The Bosch Rexroth DBW20BG2-4X/315-6EW110N9K4/12 W65 is part of the DB Pressure Relief Valves series. This valve features a nominal size of 20 and supports a maximum flow rate of 500 liters per minute. It is capable of handling a maximum operating pressure of 350 bar on the p, X ports and 160 bar on the y, T, 6ew ports, with a pressure rating of 315 bar. The unit is compatible with various fluid types, including mineral oils as well as bio and flame-resistant fluids such as HETG, HEES, HEPG, HFDU, HFDR, and HFC. Its viscosity range is 10 to 800 mm²/s, and it uses NBR as the seal material, allowing for hydraulic fluid temperatures from minus 20 to 80 degrees Celsius. The connection type is threaded (G), and it includes an EN 175301-803, 3-pole electrical connection. Manual override is provided in a concealed design. The valve meets ISO 4406 cleanliness class 20/18/15.

Technical Specifications

Bio Fluids
HETG, HEES, HEPG

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

Connection Type
Threaded (G)

Electrical Connection
EN 175301-803, 3-pole (K4)

Flame-resistant Fluids
HFDU, HFDR, HFC

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

Manual Override
Concealed (N9)

Max Operating Pressure (p, X)
350 bar

Max Operating Pressure (y, T, 6ew)
160 bar

Maximum Flow
500 l/min

Mineral Oil Fluids
HL, HLP, HLPD, HVLP, HVLPD

Nominal Size
20

Pressure Rating
315 bar

Seal Material
NBR

Unloading Valve Type
Directional Spool (6E)

Viscosity Range
10 to 800 mm²/s

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