VLP 12/A5 Logic Element
English Chinese (Simplified)

comatrol hydraulic cartridge valves



The VLP 12/A5 is a metric 12-size, normally-closed, pilot-to-close, poppet-type, spring biased differential-sensing logic element. It will provide on/off flow control from 1 to 2 based on the spring control pressure, inlet pressure at port 1, and pilot pressure at port 3. 




The valve provides on/off, leakage-free control, suitable for use as a high flow check valve when piloted with a small check valve; or a high flow directional valve when piloted with a directional solenoid valve, using four VLP 12/A5 valves.  Effective use of logic elements is a key to designing cost-effective circuits, and is limited only by the imagination of the designer.




Rated Presssure    

  315 bar

[4500 psi]

Rated Flow at 7 bar
[100 psi]

  160 l/min

[42 US gal/min]    

Weight   0.30 kg [0.66 lb]
Cavity   NCS12/3
Bias Spring   2 bar [29 psi]
VLP12A5 schematic

Performance Curve




Example Circuit 




Ordering Information


Product Documents and Downloads
Download this file (VLP 12-A5 - 3D STP Files.zip)VLP 12-A5 - 3D STP Files.zip60 kB01-22-2014
Download this file (VLP 12A5 Catalog PG.pdf)VLP 12A5 Catalog PG.pdf217 kB04-22-2015

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