Description
The Xylem-Hoffman Specialty 404188 (Model B0020A-3) is a Series B0 cast iron inverted bucket steam trap engineered for dependable condensate removal in commercial and industrial steam systems. Featuring a 3/4″ NPT connection and rated for up to 20 PSI operating pressure, this trap is well-suited for a wide range of low-to-medium pressure steam heating applications.
The inverted bucket mechanism is one of the most proven and durable steam trap designs in the industry. As condensate fills the trap body, the inverted bucket loses buoyancy and opens the discharge valve to release condensate and air — then closes again when steam enters, preventing live steam loss. This mechanical action delivers consistent, energy-efficient operation with minimal maintenance.
Key Features
- Series B0 inverted bucket steam trap design for reliable, mechanical condensate discharge
- 3/4″ NPT inlet and outlet connections for straightforward installation
- 20 PSI maximum operating pressure rating
- 3/16″ orifice for precise condensate flow control
- Cast iron body construction for durability in demanding steam environments
- Suitable for low-to-medium pressure steam heating and process systems
Specifications
- SKU: 404188
- Model: B0020A-3
- Series: B0
- Connection Size: 3/4″ NPT
- Maximum Operating Pressure: 20 PSI
- Orifice Size: 3/16″
- Body Material: Cast Iron
- Trap Type: Inverted Bucket
- Brand: Xylem-Hoffman Specialty
Application
The Hoffman Specialty Series B0 inverted bucket steam trap is ideal for use on steam mains, unit heaters, heat exchangers, and other steam-heated equipment where reliable condensate drainage and air venting are essential. Its cast iron construction stands up to the rigors of continuous steam system operation, making it a trusted choice for HVAC and industrial facilities managers.
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