EDC-IP

• Valve element with direct proportional flow sharing control.
• It can achieve the simultaneous activation of different actuators by distributing the available flow proportionally to the speeds selected by the operator.
• All simultaneous movements go on at the same reciprocal speed also in case of flow shortage.
• Hydraulically direct operated spool.
• Hydraulic operating element bolted on.
• Hydraulic operating element available with inlet port: G1/4 DIN3852; 9/16-18 UNF 2-B.
• The control spool is held in the central position by return springs.
• Size 6
• Series 00
• Maximum operating pressure 310 bar (4500 psi)
• Maximum flow at 14 bar (203 psi) 50 l/min (13.2 gpm)
• Maximum flow at 18 bar (261 psi) 58 l/min (15.3 gpm)
• Ports connections planned G 3/8 - G 1/2 - SAE8 and Modular

NEW spool position sensor available for this valve. See RE18300-30

The sandwich plate design directional valve elements L85P5... are compact direct hydraulic operated pressure compensated proportional valves which control the start, the stop, the direction and the quantity of the oil flow, with FLOW SHARING principle. These elements basically consist of a stackable housing (1) with a control spool (2), two hydraulic operating blocks (4), and two return spring return (3).

The hydraulic pressure in one of the blocks (4) pushes the control spool (2) from its neutral-central position "0" to the required end position "a" or "b". When the spool is shifted and the metering notch is open, flow delivery starts and is controlled by a 3 way pressure compensator followed by a check valve for each port A and B.

The compensator, balanced by the LS pressure at the opposite end, lifts up and unloads a regulated flow which is sent to the A (or B) port through the relevant check valve; at the same time the opposite port allows oil return to tank. LS pressure reaches the compensator “dead end” directly from the A or B port, while the check valves lock eventual pressure oscillations which could affect the compensator function.

When the pressure decrease in one of the block (4), the return spring (3) pushes the spool thrust washer back against the housing and the spool returns in its neutral-central position.

The curves refer to the spool fully open.

Measured with hydraulic fluid ISO-VG32 at 45° ±5 °C (113° ±9 °F); ambient temperature 20 °C (68 °F).

The curves refer to the spool fully open.

Measured with hydraulic fluid ISO-VG32 at 45° ±5 °C (113° ±9 °F); ambient temperature 20 °C (68 °F).