Logic Elements Technical Information
Spool Type
HLE10-CVO
OPERATION
The HLE10-CVO is a 10-size, high pressure, normally closed,
vent-to-open, spring-biased dierential-sensing logic element.
It will modulate ow from 1 to 2 based on the spring control
pressure, inlet pressure at port 1, and pilot pressure at port 3.
APPLICATION
Common applications include: pump unloading, pilot-operated
relief valve (mechanical or proportional), sequence valve and
selector circuit. Eective use of logic elements is a key to designing
cost-eective circuits, and is limited only by the imagination of the
designer.
SPECIFICATION
Rated Pressure* 350 bar [5075 psi]
Rated Flow at 7 bar
[100 psi]
Weight 0.14 kg [0.31 lbs]
Cavity SDC10-3S
* Rated Pressure based on NFPA fatigue test standards (at 1 Million Cycles).
80 l/min
[21.1 US gal/min]
PERFORMANCE CURVE
SCHEMATIC
Theoretical performance
BC332375783111en-000101 • February 2020
LE - 33
Logic Elements Technical Information
HLE10
-
CVO
- 2.75 -
B
-
00
Spool Type
HLE10-CVO
DIMENSION
mm [in]
EXAMPLE CIRCUITS
Theoretical performance
3
1
2
46.8
[1.84]
7/8-14 UNF
19.1
[0.75]
25.4 mm [1.00]
68-75 Nm
[50-55 lbf*ft]
ORDERING
INFORMATION
HLE10: High pressure,
logic element, 10-size
CVO: Normally closed,
vent to open
BC332375783111en-000101 • February 2020
Differential Pressure Control
Code
Description
2.75
2.75 bar [40 psi]
5.5
5.5 bar [80 psi]
7.5
7.5 bar [110 psi]
10.0
10.0 bar [150 psi]
13.0
13.0 bar [190 psi]
15.0
15.0 bar [220 psi]
18.0
18.0 bar [260 psi]
Housings
Code
Ports and Material Housing P/N
00
Cartridge Only No Body
6S
AL, #6 SAE SDC10-3S-6S
8S
AL, #8 SAE SDC10-3S-8S
3B
AL, 3/8 BSP SDC10-3S-3B
AL, 1/2 BSP SDC10-3S-4B
4B
STEEL, #6 SAE SDC10-3S-S6S
S6S
STEEL, #8 SAE SDC10-3S-S8S
S8S
*** Aluminum bodies are for use in lower pressure applications only
[less than 210 bar (3000 psi)].
Code Seal Material Seal kit
B Buna 11126248
V Viton 11126249
LE - 34
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