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ilsevaVcuardyH■Hydraulic symbol (SCBT-43B)■Hydraulic symbol (HOVCH-43P)■SCBT-43B■HOVCH-43 (H/P)ilortnoC-noitceri33—llllllDlli snoitacppAfosepmaxEortnoCraudoMezS-egraLsevaVsevaVsevaVseireSDKseireSEseireSM■ SpecificationsManual Direction-Control Valves (4-Way 3-Position Valves) with Pilot Controlled Check Valve/Counterbalance ValveDirection-Control Valves* In order to mount the HOVCH model on an electric pump (MP-12H/12/15H), four MBH-90 mounting bolts are separately required after using the included O-rings (AN6230#6).* When mounting HOVCH type on MP-12H, a connection pipe set (model：MP-12H#21S) and a return pipe (MP-12H#33) are required.* When mounting HOVCH type on MP-12, a connection pipe set (model：MP-12#21S) and a return pipe (MP-12#114) are required.* When mounting HOVCH type on MP-15H, a connection pipe set (model：MP-15H#21S) and a return pipe (MP-15H#33) are required.* The pressure setting range of the SCBT-43B (external pilot operated counterbalance valve) is 3 to 18 MPa, and is factory set in the range of 17 to 18 MPa.■Hydraulic symbol (HOVCH-43H)Connection port sizeRcApprox. weightkg7.93/82.9Maximum operating pressureMPaAllowable backpressureMPa701.5Cracking pressureMPaAccessoryO-ring: AN6230-6(1 pc) 0.16A port: 0.005B port: 0.045■SCBT-43BMaximum flow rateL/minPilot ratio0 to 8 MPa8 to 70 MPa159:15:1No.79E since2025● An HOVCH direction-control valve is an HOV manual direction-control valve combined with an MCH-4 check valve (see page 146). ● An HOVCH can be mounted directly on an electric pump (MP-12H/12/15H) as it has the same bottom mounting dimensions as the HOV-43. ● An SCBT model incorporates a pilot check valve and an external pilot-operated counterbalance valve for B port. ■HOVCH-43HModelHydraulic symbol nameHOVCH-43HAll ports open HOVCH-43PP port blocked SCBT-43BCenter bypass113