Page 122 - Parker - Pressure Control Valves

Catalog HY15-3502/US Pilot Operated Pressure Reducing Valve
Technical Information Series PRH122

CV
Dimensions Millimeters (Inches)
Check Valves

SH
38.1 (1.50)
Dia. Knob
36.0 37.7 39.6 38.9 Shuttle
(1.42) (1.48) (1.56) (1.53) Valves
LM
Load/Motor

1-1/4" Hex. Controls
76 Nm
1-1/16-12 UNF-2A (56 lb. ft.)
Thread FC
(3) Torque
57.9
(2.28)
Flow Controls
(2)
PC
Pressure Controls
(1) Ø 22.2 (.87)
Screw/Knob Version Fixed Cap/Tamper Resistant Version
LE
THIRD-ANGLE
PROJECTION
Logic Elements

DC
Directional Controls
Ordering Information
PRH122
MV
12 Size Adjustment Pressure Seals Optional Body Port
P.O. Pressure Style Range Pressure Material Size
Manual Valves
Reducing Valve Setting

Code Adjustment Style / Kit No. Code Seals / Kit No. Code Body Material SV
F Fixed style, preset at factory. Omit Nitrile / (SK12-3) Omit Steel
K Knob Adjust (717784-15) V Fluorocarbon / (SK12-3V) A Aluminum Solenoid
S Screw Adjust Valves
T Tamper Resistant Cap (717785) Optional Pressure Setting Code Port Size Body Part No.
PV
Pressure ÷ 10 Omit Cartridge Only
Code Pressure Range i.e. 235 = 2350 PSI 12T SAE-12 (B12-3-*12T)
(Omit is standard setting is used) Proportional
10 6.9 - 69 Bar (100 - 1000 PSI) Setting Range: 8B 1/2″ BSPG (B12-3-8B)† Valves
Standard Setting: 100 to 5000 PSI * Add “A” for aluminum, omit for steel.
34.5 Bar (500 PSI) † Steel Body only. CE
20 13.8 - 138 Bar (200 - 2000 PSI)
Standard Setting:
69 Bar (1000 PSI) Coils & Electronics
30 20.7 - 207 Bar (300 - 3000 PSI)
Standard Setting:
103.5 Bar (1500 PSI) BC
50 34.5 - 345 Bar (500 - 5000 PSI)
Standard Setting: Bodies &
172.4 Bar (2500 PSI) Cavities
TD
Technical Data

PC120 Parker Hannifin Corporation
Hydraulic Cartridge Systems