• D, D/S

  Ports 2, 3, 4: 3/4" NPTF; Gage Ports (Plugged): SAE 4;
• E, E/S

  Ports 2, 3, 4: 1" NPTF; Gage Ports (Plugged): SAE 4;
• L, L/S

  Ports 2, 3, 4: SAE 12; Gage Ports (Plugged): SAE 4;
• M, M/S

  Ports 2, 3, 4: SAE 16; Gage Ports (Plugged): SAE 4;
• W, W/S

  Ports 2, 3, 4: 3/4" BSPP; Gage Ports (Plugged): SAE 4;
• X, X/S

  Ports 2, 3, 4: 1" BSPP; Gage Ports (Plugged): SAE 4;

This valve assembly is intended for use in tractive systems. It incorporates a divider/combiner valve along with provisions for slip orifices. The divider/combiner provides 2 equal flows for positive traction and the slip orifices can be sized to allow for steering.

• Operating characteristics cause the leg of the circuit with the greatest load to receive the higher percentage of flow in dividing mode. If a rigid mechanism is used to tie actuators together, the lead actuator may pull the lagging actuator and cause it to cavitate.
• In combining mode, compensating characteristics will cause the leg of the circuit with the lowest load to receive the higher percentage of flow. If a synchronization feature is not included, an additive accuracy error will be experienced with each full stroke of the actuator.
• In applications involving rigid mechanisms between multiple actuators, operating inaccuracy will cause the eventual lock-up of the system. If the mechanical structure does not allow for the operating inaccuracy inherent in the valve, damage may occur.
• In motor circuits, rigid frames or mechanisms that tie motors together, and/or complete mechanical synchronized motion of the output shaft of the motors, either by wheels to the pavement or sprockets to conveyors, will contribute to cavitation, lock-up and/or pressure intensification.
• Variations in speed and lock-up can be attributed to differences in motor displacement, motor leakage, wheel diameter variance and friction of wheels on the driving surface.
• Extreme pressure intensification can occur on multiple wheel drive vehicles.
• Differential slip for tractive drive systems must be achieved with orifices in the body/manifold.
• Below the minimum flow rating there is not enough flow for the valve to modulate. It is effectively a tee. If flow starts at zero and rises, there will be no dividing or combining control until the flow reaches the minimum rating.

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