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0553snoacppA sepmaxEortnoCitil f05sevaV lsevaV lortnoC-noitcerisevaV raudoMezS-egraL■Hydraulic symbol seireSDKseireSEseireSMill olllD ll i6363sevaVcuardyHcat-No.78E since2017● After loosening the hexagon nut, rotating the adjustment bolt clockwise increases the pressure setting. ● The internal pilot system is set as default. To use the external pilot system, remove the mounting bolts from the head and rotate the head 180°, and then retighten the returned bolts.● If the valve is rotated 180° horizontally, the circuit can use A line. ● Can also be used as a sequence valve.■ SpecificationsMaximum Modeloperating pressureMPaECB-1ECB-2■ECB70● Enables a reverse flow by applying pressure 1/10 of the secondary-side pressure to the pilot　pressure port.■ SpecificationsMaximum Modeloperating pressureMPaECH-470■ECH-4■Hydraulic symbol ModelEBHMaximum flow rate L/min0 to 8 MPa8 to 70 MPa■ECBMaximum flow rate L/min0 to 8 MPa8 to 70 MPa■ECH-4Length under head (L)20/25/30/35/40/50/55/70/80/120/170Pressure adjustable rangeMPa2 to 1010 to 70Bolt insertion length mmAccessory50O-rings:P8 (4 pcs)Head Bolt insertion Pilot ratiolength mmAccessory10:150O-rings:P8 (4 pcs)304067(164.2)Approx. weightkg2.04×ɸ6.5 THRUHex. nutAdjustment bolt4×(O-ring P8)(accessory)Approx. weightkg1.7E series (67.2)Pilot controlled check valveE series E series BoltModel code structureModel code structureModel code structurePressure adjustable range1:2 to 10 MPa2:10 to 70 MPaCounterbalance valveTypeLength under head (L) H:Hexagon socket head boltEsperblock (E Series)E Series (Counterbalance Valves)137E Series (Pilot Controlled Check Valve)E Series (Mounting Bolts)● The tightening torque of the bolts must be 12 to 13 N·m. ● The screw-in length of for the mounting bolts must be 9 to 10 mm. ECB-1ECH-4EBH-20