Watts
Watts 152A 3-15 psi Steam Pressure Regulator 3/4 in Iron
Regulates process steam pressure from 3 to 15 psi with a 200 psi maximum rating and 300°F temperature limit
- Regulates steam from 3 to 15 psi for precise control
- Iron body withstands 300 °F continuous service
- Rated to 200 psi maximum inlet pressure
- 3/4 in FNPT connection fits standard piping
- Medium-capacity valve handles process steam loads
Process Steam Regulator for Medium-Capacity Lines
The Watts 152A regulates process steam pressure across a 3 to 15 psi adjustment range on 3/4 in FNPT piping. Its iron body suits medium-capacity installations where consistent downstream pressure is required. The valve operates without an integrated strainer, so upstream filtration must be supplied separately. Maximum rated temperature is 300 Degrees F and maximum inlet pressure is 200 psi.
Iron Construction and Direct FNPT Connection
The all-iron body and FNPT threads provide a durable, leak-resistant joint that threads directly into standard 3/4 in steam piping. No separate flange kit or adapter is needed, reducing potential leak paths and installation time. The absence of a built-in strainer means the installer must add appropriate upstream filtration to protect the seat and maintain regulation accuracy over time.
Compact Footprint for Tight Mechanical Rooms
At 8 15/16 in tall and 6 in long, the regulator fits within constrained mechanical rooms and crowded pipe runs without requiring extensive clearances. The medium-capacity design handles typical process loads while the iron material resists the thermal cycling common in steam service. Builders needing higher flow capacity or an integrated strainer will need a different valve configuration.
Highlights
- Regulates steam from 3 to 15 psi for precise control
- Iron body withstands 300 °F continuous service
- Rated to 200 psi maximum inlet pressure
- 3/4 in FNPT connection fits standard piping
- Medium-capacity valve handles process steam loads
Specifications
| Brand | WATTS |
|---|
Questions about this item
How often will the iron valve body need inspection or replacement under normal steam service?
The iron body is built for continuous steam duty up to 300 °F and 200 psi; routine visual checks each season are typical, with replacement only if corrosion or seat wear appears.
What pressure limit will the regulator hit first during prolonged high-demand operation?
The unit regulates downstream pressure between 3 and 15 psi, but the inlet is rated to 200 psi, so sustained inlet pressure above that level is the first hard limit.
How much heat does the regulator radiate when it runs all day in a 300 °F steam line?
At full 300 °F inlet temperature the iron body will reach near steam temperature, so expect significant surface heat; plan for insulation or guarding in occupied areas.
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