|Minimum Order Quantity||10 Piece|
|Max. Flow L/min (U.S.GPM)||40 (10.6) Liter/min|
|Max. Operating Pressure MPa (PSI)||25 (3630) psi|
|Max. Pilot Pressure MPa (PSI)||25 (3630) psi|
|Min. Required Pilot Pres. MPa (PSI)||0.7 (100) psi|
|Ext. Drain||16 (2320)|
|Rated Flow l/min (U.S.GPM||315 (83) Litre/min|
- These valves are composed of a solenoid operated pilot valve and a pilot operated slave valve. When a solenoid is energised the pilot valve directs the flow to move the spool of the slave valve, thus changing the direction of flow in the hydraulic circuit. ??? High Pressure High Flow
High pressure [31.5 MPa (4570 PSI)] along which high flow means compact system design.
??? Lower Pressure Drop
System energy saving increased as pressure drop of each valve has been greatly reduced.
- Models with Pilot Choke Adjustment
Options When the adjustment screw is turned clockwise, changeover speed of the main spool becomes slow. In case of the spring centred valves in particular, making slow of the returning speed of the main spool to the neutral position is possible with a C2 choke valve. These choke valves can be used in combination with the valves of spring centred, no-spring, offset, pressure centred and the valves with stroke adjustment.Pressure Centred Models (3H )
The pressure centered type can be used when the returning of the main spool to the neutral position is required to be firmily.
Models with Pilot Piston(P2, PA, PB) The valves with a pilot piston can be used when the high speed changeover of the main spool is required. However, please not that in case of spring centered valves, there is no change in the returning speed of the main spool to the neutral position even with the pilot piston. Reverse Mounting of Solenoid
. In spring offset type, it is a standard configuration that the solenoid is mounted onto the valve in the SOL b position (side). However, in this particular spool-spring arrangement, the mounting of the solenoid onto the valve in the reverse position - SOL a side - is also available. The graphic symbol for this reverse mounting is as shown below. As for the valve type 2B A and 2B B, please refer to the explanation under the heading of "Valves Using Neutral Position and Side PositionValves Using Neutral Position and Side Position
. (Special Two position Valve)
Besides the use of the standard 2-position valves aforementioned in the "List of Standard Models and Maximum Flow", the 3-position valves also can be used as the 2-position valves using the two of their three positions. In this case, there are two kinds of the valve available. One is the valve using the neutral position and SOL a position (2B A) and another is the valve using the neutral position and SOL b position (2B B).
Changeover time varies according to oil viscosity, spool type and hydraulic circuit.
Adjustment of maximum flow rate The G-Series Solenoid Operated Directional Valves cannot be adjusted for maximum flow rates. To adjust maximum flow rates, use flow control valves. In G-series solenoid controlled pilot operated directional valves , the maximum flow rate can be adjusted by use of the valve with stroke adjustment screw of optional extra
How to use HALT functions The HALT functions are used to drive the actuator at a low speed to the stop position while keeping a slight flow after OFF T. A flow rate (min. flow rate) during a low-speed operation can be set with the minimum adjusting volume (The minimum adjusting volume is common for SOL a and b. Individual setting is not possible for SOL a and b.) When HALT signal is on, the min. flow rate becomes zero and the actuator stops. Here, take care to keep the HALT signal on for longer than 0.1 second. The min. flow rate gets to "0" after about 60 seconds following the OFF T. If the HALT functions are not used, set the minimum adjusting volume to zero. The HALT functions are not applicable to the spool function "2B7"