FLOW CONTROLS
EC10-S31 Pressure Compensator
DESCRIPTION
A screw-in, cartridge-style pressure-compensator, intended for use upstream of a
remote fi xed or variable orifi ce to provide a constant fl ow rate regardless of load
pressure changes.
OPERATION
The EC10-S31 delivers constant fl ow to port ➀ regardless of load pressure changes.
FEATURES
• Hardened seat for long life and low leakage.
• Quiet, modulated response.
• Industry common cavity.
RATINGS
Operating Pressure: Inlet: 240 bar (3500 psi)
Maximum Compensated Flow: 30.3 lpm (8 gpm) with 7.6 bar (110 psi) spring;
22.7 lpm (6 gpm) with 5.5 bar (80 psi) spring
Standard Compensator Bias Spring: 5.5 bar (80 psid)
Flow Maintenance: see performance chart
Temperature: -40 to 120°C
Filtration: See page 9.010.1
Fluids: Mineral-based or synthetics with lubricating properties at viscosities of
7.4 to 420 cSt (50 to 2000 sus); See Temperature and Oil Viscosity, page 9.060.1
Installation: No restrictions; See page 9.020.1
Cavity: VC10-S3; See page 9.110.1
Cavity Tool: CT10-S3-XX; See page 8.600.1
Seal Kit: SK10-S3X-MM; See page 8.650.1
USASI/ISO:
SYMBOLS
PERFORMANCE
(Cartridge Only)
5.414.1
34.1/9
30.3/8
26.5/7
22.7/6
18.9/5
FLOW lpm/gpm
500
34.5
1500
103.4
1000
69.0
2000
137.9
3000
206.9
4000
275.8
2500
172.4
3500
241.3
LOAD PRESSURE bar/psi
15.1/4
7.6/2
11.4/3
3.8/1
Flow vs. Load Pressure
32 cSt/150 ssu oil at 40°C
P
2.8/40
2.1/30
1.4/20
0.7/10
3.8
1
7.8
2
11.4
3
15.1
4
18.9
5
22.7
6
26.5
7
30.3
8
FLOW lpm/gpm
PRESSURE DROP bar/psi
Pressure Drop vs. Flow: ➁ to ➀
when ➁ is connected to ➂
32 cSt/150 ssu oil at 40°C
HYDRAFORCE
.com
®
Blue rectangles are links to other catalog pages.
Cartridge: Weight: 0.11 kg. (0.25 lbs.)
Steel with hardened work surfaces.
Zinc-plated exposed surfaces.
Buna N O-rings and polyester
elastomer back-ups standard.
Standard Ported Body: Weight:
0.34 kg. (0.75 lbs.) Anodized high-
strength 6061 T6 aluminum alloy,
rated to 207 bar (3000 psi). Ductile
iron bodies available; dimensions
may differ. See page 8.010.1
DIMENSIONS
MATERIALS
TO ORDER
Porting
Cartridge Only 0
SAE 8 8T
SAE 10 10T
EC10-S31 - __ __ __ - __ - __
EC10-S31
5.414.2
Seals
N Buna N (Std.)
V Fluorocarbon
Bias Spring
80 5.5 bar (80 psi)
110 7.6 bar (110 psi)
®
HYDRAFORCE
HYDRAFORCE
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®
Blue rectangles are links to other catalog pages.
