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ARMSTRONG INTERNATIONAL Steam Trap: Cast Iron, 3/4 in FNPT, 4,000 lb/hr, 125 psi Max., 450°F Max. - Standard Inverted-Bucket Steam Traps
ARMSTRONG INTERNATIONALStandard Inverted-Bucket Steam Traps

ARMSTRONG INTERNATIONAL Steam Trap: Cast Iron, 3/4 in FNPT, 4,000 lb/hr, 125 psi Max., 450°F Max.

The ARMSTRONG INTERNATIONAL Standard Inverted-Bucket Steam Trap is a cast-iron, in-line steam trap with a 3/4 in FNPT connection, rated for 4,000 lb/hr capacity, 125 psi maximum pressure, and 450°F maximum…

SKU 3G-OTH-70729

Brand
ARMSTRONG INTERNATIONAL
Item
Steam Trap: Cast Iron, 3/4 in FNPT, 4,000 lb/hr, 125 psi Max., 450°F Max.
Category
Standard Inverted-Bucket Steam Traps
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Technical Specifications

ARMSTRONG INTERNATIONAL
Manufacturer Part Number
813-075-125
Type
4,000 lb/hr, Strainer Not Included
FNPT
3/4 in
Max.
125 psi
Configuration
In-line
Installation Orientation
Horizontal
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ARMSTRONG INTERNATIONAL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ARMSTRONG INTERNATIONAL Standard Inverted-Bucket Steam Trap is a cast-iron, in-line steam trap with a 3/4 in FNPT connection, rated for 4,000 lb/hr capacity, 125 psi maximum pressure, and 450°F maximum temperature. Designed for horizontal installation, this model (MPN 813-075-125) does not include a strainer.

Frequently Asked Questions

What is the Armstrong International 813-075-125 steam trap used for?

This Armstrong International standard inverted-bucket steam trap is used to drain condensate from steam lines while preventing steam loss. It is suitable for industrial applications requiring a cast-iron, in-line trap with 3/4 in FNPT connections, rated for 4,000 lb/hr capacity at 125 psi and 450°F.

What are the specifications of the Armstrong 813-075-125 steam trap?

The Armstrong International 813-075-125 is a cast-iron, in-line inverted-bucket steam trap with 3/4 in FNPT connections. It has a maximum capacity of 4,000 lb/hr, maximum pressure of 125 psi, and maximum temperature of 450°F. Installation orientation is horizontal. Strainer is not included.

Where to buy Armstrong International steam traps worldwide?

3G Electric supplies Armstrong International steam traps like the 813-075-125 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, 3/4 in FNPT, 4,000 lb/hr inverted-bucket trap.

How to install an Armstrong inverted-bucket steam trap?

Install the Armstrong International inverted-bucket steam trap horizontally with the inlet and outlet aligned in-line. Ensure piping supports the trap weight. Use a strainer upstream (not included with model 813-075-125) to protect the trap from debris. Follow manufacturer guidelines for orientation and blowdown.

Used in

Common applications for ARMSTRONG INTERNATIONAL
Chemical processing — Armstrong International inverted-bucket steam traps (e.g., 882-050-125) for condensate removal from heat exchangers.
Food and beverage — Armstrong International corrosion-resistant steam traps (e.g., 1811-050-200) for steam tracing on sanitary lines.
Refining — Armstrong International high-pressure steam traps (e.g., 1822-100-650) for process steam mains.
Commercial HVAC — Armstrong International steam spargers (e.g., MS6-1-1/4") for hot water generation in boiler systems.
Pharmaceutical — Armstrong International stainless-steel steam traps (e.g., 1811-050-400) for clean steam applications.
Power generation — Armstrong International cast-iron steam traps (e.g., 883-075-250) for turbine drain lines.

ARMSTRONG INTERNATIONAL Products

3G Electric supplies ARMSTRONG INTERNATIONAL standard inverted-bucket 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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