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Bosch Rexroth | DB52F2-3X315U

DB52F2-3X/315U

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The Bosch Rexroth DB52F2-3X/315U is part of the DB Pressure Relief Valves series. This valve is designed with a response pressure setting of 315 bar. It accommodates a flange mounting connection and uses four M16 x 80 screws that require a torque of 210 Nm. The M port features a G1 thread per ISO 228-1 and its plug needs a torque of 225 Nm. For valve mounting, two M12 x 145 screws are required with a tightening torque of 100 Nm, according to EN ISO 4762 standards. The maximum counter pressure at port T with zero flow is 31.5 bar. Installation can be in any position and the minimum cracking pressure version is marked as U. The lock nut is compatible with a 19 mm wrench size.

Technical Specifications

Flange Screw Quantity
4

Flange Screw Torque
210 Nm

Flange Screws
M16 x 80 (10.9)

Installation Position
Any

Lock Nut Wrench Size
19 mm

M Port Plug Torque
225 Nm

M Port Thread
G1 (ISO 228-1)

Max Counter Pressure At T (qv=0)
31.5 bar

Minimum Cracking Pressure Version
U

Mounting Connection
Flange

Mounting Screw Standard
EN ISO 4762

Response Pressure Setting
315 bar

Valve Mounting Screw Quantity
2

Valve Mounting Screws
M12 x 145 (10.9)

Valve Mounting Torque
100 Nm

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