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ARMSTRONG INTERNATIONAL Cast Iron In-line Float & Thermostatic Steam Trap - Cast Iron In-line Float & Thermostatic Steam Traps
ARMSTRONG INTERNATIONALCast Iron In-line Float & Thermostatic Steam Traps

ARMSTRONG INTERNATIONAL Cast Iron In-line Float & Thermostatic Steam Trap

The ARMSTRONG INTERNATIONAL Cast Iron In-line Float & Thermostatic Steam Trap (MPN 15BI4, Series BI) is a 1-inch FNPT steam trap with a maximum capacity of 2,100 lb/hr at 15 psi and 377°F. It features a stainless…

SKU 3G-OTH-72584

Brand
ARMSTRONG INTERNATIONAL
Item
Cast Iron In-line Float & Thermostatic Steam Trap
Part Number
15BI4
Category
Cast Iron In-line Float & Thermostatic Steam Traps
Available to Order
Also known as:15BI4ARMSTRONG INTERNATIONAL
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Technical Specifications

ARMSTRONG INTERNATIONAL
Manufacturer Part Number
15BI4
Float Material
Stainless Steel
Manufacturer Series
BI
Installation Orientation
Horizontal

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ARMSTRONG INTERNATIONAL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ARMSTRONG INTERNATIONAL Cast Iron In-line Float & Thermostatic Steam Trap (MPN 15BI4, Series BI) is a 1-inch FNPT steam trap with a maximum capacity of 2,100 lb/hr at 15 psi and 377°F. It features a stainless steel float and is designed for horizontal installation.

Frequently Asked Questions

What is the Armstrong International 15BI4 steam trap used for?

The Armstrong International 15BI4 cast iron in-line float & thermostatic steam trap removes condensate and air from steam lines in industrial heating and process applications. It handles up to 2,100 lb/hr at 15 psi and 377°F, with a stainless steel float for reliable operation.

What are the specifications of the Armstrong 15BI4 steam trap?

The Armstrong International 15BI4 is a 1-inch FNPT cast iron in-line float & thermostatic steam trap. It has a maximum capacity of 2,100 lb/hr at 15 psi and 377°F, with a stainless steel float. It is designed for horizontal installation and is part of the BI series.

Where to buy Armstrong International steam traps worldwide?

3G Electric supplies the Armstrong International 15BI4 steam trap to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this cast iron in-line float & thermostatic steam trap.

How to install the Armstrong 15BI4 steam trap?

Install the Armstrong 15BI4 steam trap in a horizontal orientation with the inlet and outlet aligned with the pipe. Ensure proper support and allow clearance for maintenance. Follow standard steam trap installation practices, including upstream strainer and isolation valves, to protect the stainless steel float.

Used in

Common applications for ARMSTRONG INTERNATIONAL
Steam distribution headers — Armstrong International inverted bucket steam traps (e.g., 883-075-250) for condensate removal at pressures up to 250 psi.
Corrosive condensate systems — Stainless steel Armstrong International traps (e.g., 1811-075-400) for resistance to acidic or high-purity condensate.
High-pressure steam lines — Armstrong International 1822-100-250 traps rated to 250 psi and 600°F for superheated steam applications.
Tracer line drainage — Armstrong International 1811 series traps with 1/2 in or 3/4 in connections for freeze protection and process temperature maintenance.
Steam system strainer protection — Armstrong International inline strainers (e.g., 304 stainless steel, 3/4 in NPT) to capture debris upstream of traps and valves.
HVAC and process equipment — Armstrong International inverted bucket traps for condensate removal from heat exchangers, coils, and unit heaters.
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ARMSTRONG INTERNATIONAL Products

3G Electric supplies ARMSTRONG INTERNATIONAL cast iron in-line float & thermostatic steam traps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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