Pressure Reducing Valves Technical Information
Quick Reference
Pressure Reducing, Non-Relieving |
Model No. |
Cavity |
Description |
Flow* |
Pressure |
Page |
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CP230-2 |
SDC10-3 |
Pressure Reducing, |
40 l/min |
210 bar |
PR - 4 |
2 |
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1 |
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Non-Relieving, |
[11 US gal/min] |
[3000 psi] |
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PRC 06 |
NCS06/3 |
Direct Acting |
40 l/min |
315 bar |
PR - 5 |
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[11 US gal/min] |
[4500 psi] |
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3 |
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Pressure Reducing, Relieving |
Model No. |
Cavity |
Description |
Flow* |
Pressure |
Page |
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CP230-1 |
SDC10-3 |
Pressure Reducing, |
40 l/min |
210 bar |
PR - 6 |
2 |
1 |
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Relieving, Direct Acting |
[11 US gal/min] |
[3000 psi] |
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3 |
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Pressure Reducing, Relieving |
Model No. |
Cavity |
Description |
Flow* |
Pressure |
Page |
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PRR10-PVG |
SDC10-3 |
Pressure Reducing, |
40 l/min |
210 bar |
PR - 7 |
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Relieving, |
[11 US gal/min] |
[3000 psi] |
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Direct Acting, |
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Designed for PVG |
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Actuators |
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Pressure Reducing, Non-Relieving |
Model No. |
Cavity |
Description |
Flow* |
Pressure |
Page |
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CP230-4 |
SDC10-3 |
Pressure Reducing, |
40 l/min |
350 bar |
PR - 8 |
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Non-Relieving, |
[11 US gal/min] |
[5000 psi] |
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PPRC 06 |
NCS06/3 |
Pilot Operated |
40 l/min |
315 bar |
PR - 9 |
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[11 US gal/min] |
[4500 psi] |
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Pressure Reducing, Relieving |
Model No. |
Cavity |
Description |
Flow* |
Pressure |
Page |
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PRMP 064 |
SDC10-3 |
Pressure Reducing, |
40 l/min |
315 bar |
PR - 10 |
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Relieving, |
[11 US gal/min] |
[4500 psi] |
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CP231-3 |
CP12-3S |
Pilot Operated |
115 l/min |
350 bar |
PR - 11 |
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[30 US gal/min] |
[5000 psi] |
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Pressure Reducing, Relieving |
Model No. |
Cavity |
Description |
Flow* |
Pressure |
Page |
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PRR10-DRD |
SDC10-4 |
Pressure Reducing, |
38 l/min |
207 bar |
PR - 12 |
4 |
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Relieving, |
[10 US gal/min] |
[3000 psi] |
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2 |
3 |
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Direct Acting with |
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Damping Port |
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1 |
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* Flow ratings are based on a pressure drop of 7 bar [100 psi] unless otherwise noted. They are for comparison purposes only.
BC332375439105en-000101 • February 2020 |
PR - 1 |
Pressure Reducing Valves Technical Information
Application Notes
PRESSURE REDUCING Pressure reducing valves are pressure limiting devices that limit pressure in one portion VALVES of a circuit while leaving system pressure unaffected. They are available in direct-acting
and pilot-operated types and as pressure reducing/relieving valves or as pressure reducing valves only.
Pressure reducing valves
<![if ! IE]><![endif]>Applications Notes
DIRECT ACTING |
Direct-acting pressure reducing/relieving valves allow flow to pass from 2 to 1 until |
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PRESSURE REDUCING / |
the pressure at 1 reaches the predetermined setting, at which point the spool shifts to |
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RELIEVING VALVES |
restrict input flow from 2 (reducing mode) or to open flow from 1 to 3 (relieving mode) |
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as needed to maintain the regulated pressure at 1. |
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Advantages of direct-acting pressure |
Direct acting pressure reducing valve |
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reducing valves are: |
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Fast response |
1 |
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Economical |
2 3 |
A typical application for direct-acting pressure reducing valves is for pressure control in systems requiring two or more different pressure settings. These valves are best suited for low flow applications such as hydraulic brake or motor shift.
BC332375439105en-000101 • February 2020 |
PR - 2 |
Pressure Reducing Valves Technical Information
Application Notes
PILOT-OPERATED |
Pilot-operated pressure reducing/relieving valves operate similarly to direct-acting |
PRESSURE REDUCING / |
pressure reducing/relieving valves -- the spool allows flow to pass from 2 to 1 until the |
RELIEVING VALVES |
pressure at 1 reaches the predetermined setting and forces the pilot poppet off it’s |
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seat. This creates a pressure differential across the spool that causes the spool to shift |
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and maintain regulated pressure at 1 in the same manner as the direct-acting pressure |
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reducing/relieving valve. |
Advantages of pilot-operated relief valves are:
·Smooth, stable response
·High pressure capability
·Precise pressure control with varying flow rates
Pilot-operated pressure reducing valve
1
2 3
A typical application for pilot-operated pressure reducing valves is for pressure control in systems requiring two or more different pressure settings where high pressure capability and/or extremely precise pressure control is required.
BC332375439105en-000101 • February 2020 |
PR - 3 |
Pressure Reducing Valves Technical Information
Pressure Reducing, Non-Relieving, Direct Acting
CP230-2
OPERATION |
This is a direct-acting pressure-reducing |
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(non-relieving) valve. |
SPECIFICATIONS |
Theoretical performance |
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psi |
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bar |
154 SUS (33 cSt) hyd. oil @ 100° F (38° C) |
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1,740 |
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120 |
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1,450 |
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100 |
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1,160 |
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80 |
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870 |
<![if ! IE]> <![endif]>Pressure |
60 |
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580 |
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40 |
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290 |
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20 |
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0 |
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L/min |
10 |
20 |
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30 |
40 |
50 |
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Flow |
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US gal/min |
2.6 |
5.3 |
7.9 |
10.6 |
13.2 |
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DIMENSIONS |
Cross-sectional view |
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mm [in] |
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Schematic
2 |
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1 |
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3 |
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Specifications |
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Rated pressure |
210 bar [3000 psi] |
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Rated flow at 7 bar |
40 l/min |
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[100 psi] |
[11 US gal/min] |
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Weight |
0.25 kg [0.56 lb] |
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Cavity |
SDC10-3 |
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h 1.00 in |
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t 41-47 N.m |
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7/8-14 UNF THD |
[30-35 lbf.ft] |
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Type A |
Type E |
1 |
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adjustment |
adjustment |
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Regulated |
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Type F |
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2 |
3 |
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adjustment |
Type K |
Press46.4 Tank |
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55.9 |
80.0 |
adjustment |
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[1.83] |
[2.20] |
max. |
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[3.15] |
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ORDERING |
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INFORMATION |
CP230 - 2 - B - 6S - A - C - 100 |
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Seals |
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Seal kit |
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B |
= |
Buna-N |
120027 |
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V |
= |
Viton |
120028 |
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Housing and ports |
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Housing P/N |
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0 |
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No Housing |
No Housing |
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SE3B |
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Al, 3/8 BSP |
SDC10-3-SE-3B |
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SE4B |
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Al, 1/2 BSP |
SDC10-3-SE-4B |
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6S |
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Al, #6 SAE |
CP10-3-6S |
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8S |
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Al, #8 SAE |
CP10-3-8S |
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Other housings available |
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Adjustment option |
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A |
= |
Internal |
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E |
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External |
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F |
= |
Tamper resistant |
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K |
= |
Knob |
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Crack pressure
Code x 10 = psi
Example: 100 = 1000 psi
Pressure range |
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bar |
[psi] |
A |
= |
4-28 |
[50-400] |
Std. setting |
17 |
[250] |
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B |
= |
5-55 |
[75-800] |
Std. setting |
28 |
[400] |
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C |
= |
7-97 |
[100-1400] |
Std. setting |
69 |
[1000] |
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D |
= |
34-166 |
[500-2400] |
Std. setting |
103 |
[1500] |
BC332375439105en-000101 • February 2020 |
PR - 4 |