HTML5 Webook

114/248

snoacppA sepmaxEortnoCitil f33—l olllD ll i lsevaV lortnoC-noitcerisevaV raudoMezS-egraLsevaVseireSDKseireSEseireSMilsevaVcuardyH■ Specificationscat-No.78E since2017● An HOVCH direction-control valve is an HOV manual direction-control valve combined with an MCH-4 check valve (see page 146). ● The HOVCH can be mounted to an electric pump directly because it has the same bottom dimensions as the HOV-43. ● An SCBT model incorporates a pilot check valve and an external pilot-operated counterbalance valve for B port. ■HOVCH-43HHydraulic symbol nameModelHOVCH-43HAll ports open HOVCH-43PP port blocked SCBT-43BCenter bypass■HOVCH-43 (H/P)Maximum operating pressureMPaAllowable backpressureMPa701.5■Hydraulic symbol (HOVCH-43P)■SCBT-43BMaximum flow rateL/minPilot ratio0 to 8 MPa8 to 70 MPa159:15:1■SCBT-43BCracking pressureMPaAccessoryO-ring: AN6230-60.16(1 pc) A port: 0.005B port: 0.045■Hydraulic symbol (SCBT-43B)Connection port sizeApprox. weightRckg7.93/82.9Direction-Control ValvesManual Direction-Control Valves (4-Way 3-Position Valves) with Pilot Controlled Check Valve/Counterbalance Valve* For mounting the HOVCH on an electric pump, the following are needed: a connection pipe (optional) for P port on the valve bottom, a return pipe (optional) for T port, and four MBH-90 bolts (optional), and the included O-ring (AN6230-6). * The pressure adjustable range (of external pilot-operated counterbalance valve) of the SCBT-43B is 3 to 18 MPa. ■Hydraulic symbol (HOVCH-43H)113