DC SERIES -- GENERAL INFORMATION
The Brand, DCF directional flow control valve combines the features of a four-way directional control
valve, a full range pressure compensated by-pass type flow control valve, and a pilot operated pressure
relief valve, all in one compact package. This valve reduces the number of fittings, plumbing and potential
leakage points in hydraulic circuits. The manual handle provides fine metering to either port. Flow to the
work port is directly proportional to the movement of the lever. Flow out of each work port is constant
regardless of load changes, this allows the customer to maintain smooth and constant movement of a
cylinder or motor. Every DCF comes standard with a pilot operated relief. The tank port must be plumbed
directly back to tank.
The Brand, DC directional control valve does not have the flow control feature of the DCF. The DC can be
used in series but the spool is difficult to shift when there is tank pressure. The DC offers an optional high
lift ball spring relief to take the place of the standard pilot operated relief on the DCF. The manual handle
provides metering to either port.
SPOOL TYPE - The spool types we offer are tandem center 4-way (T), open center 4-way (O), closed center 4-way(C), fine metering 4-way (M), tandem metering 4-way (TM), and tandem center 3-way (T3). (See chart and schematics for information on spool types)
ACTUATORS - Lever handle (L) pressurizes the B port when the handle is pushed towards the valve body. Pilot operated (P) is used when it is necessary to remotely operate the valve. Rotary handle (H) is used to rotate spool in or out of valve body. No actuator (N) L type spool.
SPOOL ATTACHMENTS - Three-position detent (D) holds the spool in neutral and both active
positions. Friction detent (F1) applies friction to the spool so that the spool does not move when the handle
is released from either side of neutral, a detent groove clearly indicates neutral position. Spring center (S)
returns the handle to neutral when the handle is released. Two-position detent (2D) P to B only. Twoposition
detent (D2) P to A only. Rotary friction detent (E) applies friction to the spool as it is rotated so
that the spool does not rotate when the handle is released either side of neutral, a detent groove clearly
indicates neutral position. Adjustable spool stop handle (AH) allows the customer to stop the spool at any
position in one direction only. High lift ball spring relief (B) provides relief for DC only. Vent port (V)
allows relief to unload (DCF only). Top port (TP) allows the customer to plumb the inlet, outlet on the
same surface as the work ports (DC only).
 
[Features]
[General Information]
[Creating Model Codes]
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