Description
Armstrong International Series 813 Cast Iron Inverted Bucket Steam Trap
The Armstrong International 813-1-125 is a heavy-duty cast iron inverted bucket steam trap engineered for dependable condensate discharge and air venting in a wide range of industrial and commercial steam systems. Featuring a 1″ NPT connection and rated for up to 125 PSI, this trap delivers consistent, energy-efficient performance across heating, process, and distribution steam applications.
How It Works
The inverted bucket mechanism is one of the most proven and durable steam trap designs in the industry. As condensate enters the trap body, the inverted bucket sinks and opens the discharge valve, allowing condensate and non-condensable gases to be expelled. When steam enters, the bucket floats and closes the valve, preventing live steam loss. This continuous mechanical action ensures efficient condensate removal while minimizing steam waste.
Key Features
- Series 813 cast iron body construction for long-lasting durability
- 1″ NPT inlet and outlet connections for straightforward installation
- 125 PSI maximum allowable pressure (MAP) rating
- 1/4″ orifice for controlled condensate discharge capacity
- Inverted bucket mechanism provides reliable, continuous operation
- Capable of discharging both condensate and air/non-condensable gases
- Suitable for steam heating, process, and distribution system applications
- Designed for easy in-line maintenance and serviceability
Specifications
- Brand: Armstrong International
- Model / SKU: 813-1-125
- Series: 813
- Body Material: Cast Iron
- Connection Size: 1″ NPT
- Maximum Allowable Pressure (MAP): 125 PSI
- Orifice Size: 1/4″
- Trap Type: Inverted Bucket
Application
The Armstrong Series 813 inverted bucket steam trap is ideal for use on steam mains, steam tracing lines, unit heaters, heat exchangers, and other equipment requiring reliable condensate removal. Its rugged cast iron construction makes it well-suited for demanding commercial and light industrial environments where dependable steam system efficiency is critical.
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