Flow control valves type SE and SHE with electro-proportional actuation - HAWE Hydraulik - #1

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Flow control valves type SE and SEH with electro-proportional actuation The SE and SEH type flow control valves are intended for smooth velocity control of hydraulic actuators independent of pressure. They may be utilized as 2-way or 3-way flow control valves and are available with an adjustable metering orifice. The adjustment of this orifice is either directly electro-proportional (type SE) or electro-proportional piloted (type SEH). The orifice can be open or blocked in the idle position. This feature enables pre-defined acceleration and braking sequences within automatic working cycles. A piloted pressure limiting valve, a solenoid actuated idle circulation valve (for 3-way controllers only), and a by-pass check valve are available. In addition, a bridge rectifi­er circuit utilizing check valves to enable arbitrary flow direction (for 2-way controllers only) is available as an option. Features and benefits: ■ Electr. controls of the consumer speed ■ Automatization of work cycles Intended applications: ■ Construction machines ■ Machine tools ■ General hydraulics Nomen- 2-way flow control valve clature: 3-way flow control valve Design: Individual valve for pipe mounting or Screw-in valve Adjustment: Electro-proportional pmax: 315 bar Qmax: 0,1 ... 120 lpm Design and order coding example SE 2-3 /30F - P - G24 Solenoid voltage Prop. solenoid ■ 12 V DC, 24 V DC ■ Controls via prop. amplifier or PLVC Design and port size ■ Pipe connection ■ Manifold mounting (P) Flow [lpm] Nom. flow of the metering orifice ■ Deenergized open ■ Deenergized closed (coding F Orifice steps Qmax : 3, 6, 10, 15, 22, 30, 36, 50, 70, 90, 120 lpm Basic type, size Type SE, with non-piloted metering orifice, size 3, 4 Type SEH, with piloted metering orifice, size 2 to 5 ■ Available as 2- and 3-way flow control valve Function SE, SEH 2-way Pipe mounting „1L 3-way Pipe mounting 2-way Manifold mounting 3-way Manifold mounting lLr h lLr y 1) 1) No Z-port with type SEH 3-2 www.hawe.de | 2011 | 1