ilsevaVcuardyH■Hydraulic symbol (BRV-4AB)■Hydraulic symbol (BRV-4P)18llllllDlli ■Hydraulic symbol (BRV-4B)■Hydraulic symbol (BRV-4A)■BCB-8B■BCB-6B■BCB-4B■BRV-4AB■BRV-4B/BRV-4P■BRV-4AilortnoC-noitcerisnoitacppAfosepmaxEortnoCraudoMezS-egraLsevaVsevaVsevaVseireSDKseireSEseireSMModel code structureBCB-4BModel code structureBRV-4ALarge-Size Modular Valves (Counterbalance Valve) Large-Size Modular Valves (Relief Valves) MP-15/MP-17/MP-20MP-15(accessory)●After loosening the hexagon nut, rotating the adjustment bolt clockwise increases the pressure setting.●The internal pilot system is set as default.●Can also be used as a sequence valve.■ SpecificationsMaximum operating pressureMPaMaximumflow rateModelL/minBCB-4BBCB-6B70BCB-8BModelBRV-4ABRV-4B70BRV-4PBRV-4AB■Hydraulic symbol (25)Pressureadjustablerange MPa8 to 70 MPa(accessory)Allowable backpressureApprox.weight AccessoryTo use the external pilot system, remove the mounting bolts from the head and rotate the head 180°, and then retighten the returned bolts. (The pilot port must be connected.)Pressure adjustable rangeMPaApprox. weightkg4015.6802 to 102714035251210 to 70B:For B line4:For the MP-15 series6:For the MP-17 series8:For the MP-20 seriesA:For A lineB:For B lineP:For P lineAB:For A and B lines4:For the MP-15 seriesLarge-Size Modular ValvesMaximum flow rate L/min0 to 8 MPaCounterbalance valveLarge-size modular valveRelief valveLarge-size modular valveAccessoryO-rings: P12 (4 pcs) Mounting bolts: M10 x 90 (4 pcs) O-rings: P18 (4 pcs) Connection joints (3 pcs)Mounting bolts: M12 x 120 (4 pcs)O-ring: P21 (1 pc) Connection joints (3 pcs)Mounting bolts: M14 x 120 (4 pcs)kgMPaMounting bolts:M10 x 60(4 pcs) 9.5No.79E since2025■ SpecificationsMaximumoperatingpressureMPa157
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