Pressure reducing valves (PRVs) function to reduce the pressure of a fluid (liquid or steam) from the main supply source to a lower pressure level, ensuring stable and safe downstream flow. They protect pipelines, reduce noise, and prevent damage to equipment caused by high pressure.
Type O
Maximum inlet pressure 17.3 barg
Minimum inlet pressure 1 barg
Maximum inlet/outlet pressure difference 8.6 barg
Minimum inlet/outlet pressure difference 1 barg
Outlet pressure 0.2 - 14 barg
Body material Cast iron
Disc and base material Stainless steel 420
Connection NPT thread
Sizes 3/8”, 1/2”, 3/4”, 1”, 1 1/4”, 1 1/2”, 2”
Valve structure:
Dimensions (mm):
| Size/Connection NPT |
Reduced Pressure Range (PSI) |
STEAM | Water • Oil • Air | Weight lbs |
| Model Code | Model Code | |||
| SINGLE SPRING | ||||
| 3/8” | 0-10 | O-11-N-13-B | O-11-N-13-V | 10 |
| Oct-50 | O-11-N-14-B | O-11-N-14-V | 10 | |
| 40-100 | O-11-N-09-B | O-11-N-09-V | 10 | |
| 100-200 | O-11-N-10-B | O-11-N-10-V | 10 | |
| 1/2” | 0-10 | O-12-N-13-B | O-12-N-13-V | 10 |
| Oct-50 | O-12-N-14-B | O-12-N-14-V | 10 | |
| 40-100 | O-12-N-09-B | O-12-N-09-V | 10 | |
| 100-200 | O-12-N-10-B | O-12-N-10-V | 10 | |
| 3/4” | 0-10 | O-13-N-13-B | O-13-N-13-V | 10 |
| Oct-50 | O-13-N-14-B | O-13-N-14-V | 10 | |
| 40-100 | O-13-N-09-B | O-13-N-09-V | 10 | |
| 100-200 | O-13-N-10-B | O-13-N-10-V | 10 | |
| 3/4” HC | 0-10 | OHC-13-N-0003-B | OHC-13-N-0003-V | 15 |
| Oct-30 | OHC-13-N-0004-B | OHC-13-N-0004-V | 15 | |
| 30-50 | OHC-13-N-0005-B | OHC-13-N-0005-V | 15 | |
| 40-85 | OHC-13-N-0006-B | OHC-13-N-0006-V | 15 | |
| 1” | 0-10 | O-14-N-0007-B | O-14-N-0007-V | 19 |
| Oct-30 | O-14-N-0008-B | O-14-N-0008-V | 19 | |
| 30-50 | O-14-N-0009-B | O-14-N-0009-V | 19 | |
| 40-85 | O-14-N-0010-B | O-14-N-0010-V | 19 | |
| 11/4” | 0-10 | O-15-N-0007-B | O-15-N-0007-V | 18 |
| 11232 | O-15-N-0008-B | O-15-N-0008-V | 18 | |
| 30-50 | O-15-N-0009-B | O-15-N-0009-V | 18 | |
| 40-85 | O-15-N-0010-B | O-15-N-0010-V | 18 | |
| 11/2” | 0-10 | O-16-N-0008-B | O-16-N-0008-V | 47 |
| Oct-30 | O-16-N-0009-B | O-16-N-0009-V | 47 | |
| 30-50 | O-16-N-0010-B | O-16-N-0010-V | 47 | |
| 40-85 | O-16-N-0011-B | O-16-N-0011-V | 47 | |
| 2” | 0-10 | O-17-N-0008-B | O-17-N-0008-V | 48 |
| Oct-30 | O-17-N-0009-B | O-17-N-0009-V | 48 | |
| 30-50 | O-17-N-0010-B | O-17-N-0010-V | 48 | |
| 40-85 | O-17-N-0011-B | O-17-N-0011-V | 48 | |
| DOUBLE SPRING | ||||
| 3/4” HC | 0-75 | OHC-13-N-0708-B | OHC-13-N-0708-V | 19 |
| 30-130 | OHC-13-N-0809-B | OHC-13-N-0809-V | 19 | |
| 1” | 0-75 | O-14-N-0809-B | O-14-N-0809-V | 22 |
| 30-130 | O-14-N-0910-B | O-14-N-0910-V | 22 | |
| 11/4” | 0-75 | O-15-N-0809-B | O-15-N-0809-V | 22 |
| 30-130 | O-15-N-0910-B | O-15-N-0910-V | 22 | |
| 11/2” | 0-75 | O-16-N-0809-B | O-16-N-0809-V | 48 |
| 30-130 | O-16-N-0910-B | O-16-N-0910-V | 48 | |
| 2” | 0-75 | O-17-N-0809-B | O-17-N-0809-V | 48 |
| 30-130 | O-17-N-0910-B | O-17-N-0910-V | 48 | |
Flowrate chart:
Application installation diagram:
