OSS-Series Pressure Regulating Valve
Price range: $1,112.80 through $1,669.20
The O-Series Pressure Regulating Valve provides an economical and reliable solution for reducing pressure in steam systems.
O-Series — Pressure Regulating Valve for Steam (Phosphor Bronze Diaphragm)
The O-Series Pressure Regulating Valve provides an economical and reliable solution for reducing pressure in steam systems. Featuring a phosphor bronze diaphragm, it delivers consistent downstream pressure control for a variety of heating and process applications.
Material Specifications
| Body | Cast Iron |
| Diaphragm | Phosphor Bronze |
| Seat | Stainless Steel |
Technical Specifications
| Service | Steam |
| Available Sizes | 1/2" – 3" |
| Connection | NPT, Flanged |
| Maximum Inlet Pressure | 250 PSIG |
| Reduced Pressure Ranges | 3–15, 10–30, 20–60, 40–100, 80–165 PSIG |
Operating Principles
The O-Series is a direct-operated, spring-loaded valve. Downstream pressure acts on the diaphragm to modulate the valve position, maintaining a stable outlet pressure regardless of fluctuations in inlet pressure or flow demand.
Available Models
| Size | Models (Pressure Ranges PSIG) |
| 1/2" NPT | OSS-12-N-5 (3–15), OSS-12-N-4 (10–30), OSS-12-N-3 (20–60), OSS-12-N-2 (40–100), OSS-12-N-1 (80–165) |
| 3/4" NPT | OSS-13-N-5 (3–15), OSS-13-N-4 (10–30), OSS-13-N-3 (20–60), OSS-13-N-2 (40–100), OSS-13-N-1 (80–165) |
| 1" NPT | OSS-14-N-5 through OSS-14-N-1 |
| 1-1/4" NPT | OSS-15-N-5 through OSS-15-N-1 |
| 1-1/2" NPT | OSS-16-N-5 through OSS-16-N-1 |
| 2" NPT | OSS-17-N-5 through OSS-17-N-1 |
| 2-1/2" – 3" FLG | OSS-18/19-F125 models available |
Applications
- Steam heating systems
- Process steam pressure reduction
- HVAC and building heating
- Industrial steam distribution
Note: We will contact you during order fulfilment to discuss shipping and handling costs for products weighing more than 150 pounds. These costs will be billed separately.
| Weight | N/A |
|---|---|
| Brand | Watson McDaniel |
| Configuration | 1-1/4” – STEAM by, 1-1/4” WATER – OIL – AIR by, 1/2in WATER – OIL – AIR by, 3/4in – STEAM by, 3/4in WATER – OIL – AIR by |
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