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COMPONENTS







           Relief, direct acting guided

           poppet type

           Special cavity, 009

                                                                                               RE 18318-25
                                                                                               Edition: 01.2019
           VS-80                                              04.11.05 - X - 99 - Z            Replaces: 07.2018




                                                               Technical data
                                                               Max. operating pressure  350 bar (5000 psi)
                                                               port 1 (P)
                                                               Max. pressure admitted  140 bar (2000 psi)
                                                               port 2 (T)
                                                               Max. flow             80 l/min (21 gpm)
                                                               Max. internal leakage 1)  15 drops/min.
                                                               Fluid temperature range  -30 to 100 °C (-22 to 212 °F)
                                                               Installation torque   83 - 92 Nm (61 - 68 ft-lbs)
                                                               Weight                0.35 kg (0.77 lbs)
                                                               MTTFD                 150 years see RE 18350-51
        Description                                            Special cavity        009 (see data sheet 18325-75)
        Flow is blocked from 1 to 2 until pressure increases to   Lines bodies and standard   Please refer to section “Hydraulic
        meet the selected valve setting, lifting the poppet from its   assemblies    integrated circuit” or consult factory
        seat and allowing relief flow through 2 to tank. Pressure at   Seal kit 2)   Code: RG0009010000100
        2 is additive to the relief setting of the valve. The unique                 material no: R930001694
        Bosch Rexroth Oil Control poppet design provides enhanced   Fluids           Mineral-based or synthetics with
        stability at all flows and pressures.                                        lubricating properties
                                                                                     at viscosities of 10 to 500 mm /s (cSt)
                                                                                                           2
                                                               Recommended degree of   Nominal value max. 10µm (NAS 8) /
                                                               fluid contamination   ISO 4406 20/18/15
                                                               Installation position  No restrictions
                                                               Other Technical Data  See data sheet 18350-50
                                                              1)  At 80% of pressure setting
                                                              2)  Only external seals for 10 valves
                                                              Characteristic curve





                                                               Pressure Δp









                                                                                   Flow Q








                                                                         RE 18318-25/01.2019, Bosch Rexroth Oil Control S.p.A.




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