CP303-4 Logic Element
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comatrol hydraulic cartridge valves

 

Operation

 

The CP303-4 is a 20-size, flow control, restrictive type pressure compensator. Restrictive-type pressure compensators are three-ported valves that work in series with a fixed or variable control orifice. The pressure compensator is located downstream of the orifice and is spring-biased to an open position as shown in the example circuit. The spool “senses” the pressure on either side of the control orifice and will vary it’s restriction in order to maintain a constant pressure differential across the control orifice, hence maintaining a constant flow rate.
 

f_250_250_16777215_00_images_logic-elements_CP303-4_CP303-4.jpg

 

Application

Common applications include any circuit that requires compensated flow control going to one actuator or circuit. Pressure compensators offer the circuit designer capability to add pressure compensation to any fixed or variable orifice. This ensures that flow, and resulting actuator speed, are maintained regardless of system and working pressures
 

                                                                
 

Specifications

Schematic

Rated Pressure       210 bar [3045 psi]
Rated Flow at 7 bar
[100 psi]

  284 l/min

[75 US gal/min]    

Weight   1.11 kg [2.45 lb]
Cavity   SDC20-3

 

f_250_250_16777215_00_images_logic-elements_CP303-4_CP303-4_schematic.jpg

 

Performance Curve

  f_250_250_16777215_00_images_logic-elements_CP303-4_CP303-4_performance.jpg  

 

Dimensions

f_670_300_16777215_00_images_logic-elements_CP303-4_CP303-4_dimensions.jpg

 

Example Circuit

f_670_300_16777215_00_images_logic-elements_CP303-4_cp300-4_circuit(1).jpg  

 

Ordering Information

f_670_300_16777215_00_images_logic-elements_CP303-4_CP303-4_ordering.jpg

 

 
 
Product Documents and Downloads
Download this file (CP303-4 - 3D STP Files.zip)CP303-4 - 3D STP Files.zip28 kB01-22-2014
Download this file (CP303-4 Catalog PG.pdf)CP303-4 Catalog PG.pdf331 kB04-22-2015
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