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ARMSTRONG INTERNATIONAL Steam Trap: Cast Iron, 1 in FNPT, 950 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, 1 in FNPT, 950 lb/hr, 125 psi Max., 450°F Max.

The ARMSTRONG INTERNATIONAL Standard Inverted-Bucket Steam Trap (SKU 811-100-125, MPN 811-100-125) is a cast-iron, in-line configured steam trap with 1 in FNPT connections. It is designed for horizontal installation…

SKU 3G-OTH-70407

Also listed as: 811100125 · 811 100 125

Brand
ARMSTRONG INTERNATIONAL
Item
Steam Trap: Cast Iron, 1 in FNPT, 950 lb/hr, 125 psi Max., 450°F Max.
Category
Standard Inverted-Bucket Steam Traps
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

ARMSTRONG INTERNATIONAL
Manufacturer Part Number
811-100-125
Type
950 lb/hr, Strainer Not Included
FNPT
1 in
Max.
125 psi
Configuration
In-line
Installation Orientation
Horizontal

Technical Documents

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

Product Description

The ARMSTRONG INTERNATIONAL Standard Inverted-Bucket Steam Trap (SKU 811-100-125, MPN 811-100-125) is a cast-iron, in-line configured steam trap with 1 in FNPT connections. It is designed for horizontal installation and rated for a maximum capacity of 950 lb/hr, maximum pressure of 125 psi, and maximum temperature of 450°F. This model does not include a strainer.

Frequently Asked Questions

What is the ARMSTRONG INTERNATIONAL 811-100-125 steam trap used for?

The ARMSTRONG INTERNATIONAL 811-100-125 is a standard inverted-bucket steam trap used to discharge condensate and non-condensable gases from steam lines while preventing steam loss. It is commonly applied in industrial steam distribution systems, process heating, and tracer lines where reliable condensate removal is critical.

What are the specifications of the ARMSTRONG INTERNATIONAL 811-100-125 steam trap?

This steam trap has a cast-iron body with 1 in FNPT connections, rated for a maximum capacity of 950 lb/hr, maximum pressure of 125 psi, and maximum temperature of 450°F. It is configured for in-line horizontal installation and does not include a strainer. The manufacturer part number is 811-100-125.

Where to buy the ARMSTRONG INTERNATIONAL 811-100-125 steam trap worldwide?

3G Electric supplies the ARMSTRONG INTERNATIONAL 811-100-125 steam trap worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this model to any country.

How to install the ARMSTRONG INTERNATIONAL 811-100-125 steam trap?

Install the ARMSTRONG INTERNATIONAL 811-100-125 steam trap in a horizontal orientation with the inlet and outlet aligned in-line. Ensure the piping is properly supported and that a strainer is installed upstream (not included) to protect the trap from debris. Follow standard steam trap installation best practices for condensate drainage.

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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Cross-referenced by specification & description
Steam Trap: Cast Iron, 1/2 in FNPT, 950 lb/hr, 125 psi Max., 450°F Max., Strainer Not Included (MPN 811-050-125)
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Steam Trap: Cast Iron, 1/2 in FNPT, 950 lb/hr, 125 psi Max., 450°F Max., Strainer Not Included (MPN 811-050-125)
Steam Trap: Cast Iron, 3/4 in FNPT, 950 lb/hr, 125 psi Max., 450°F Max., Strainer Not Included (MPN 811-075-125)
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Steam Trap: Cast Iron, 1 in FNPT, 750 lb/hr, 250 psi Max., 450°F Max., Strainer Not Included (MPN 811-100-250)
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Steam Trap: Cast Iron, 1 in FNPT, 1,000 lb/hr, 30 psi Max., 450°F Max., Strainer Not Included (MPN 811-100-030)
Steam Trap: Cast Iron, 3/4 in FNPT, 1,000 lb/hr, 30 psi Max., 450°F Max., Strainer Not Included (MPN 811-075-030)
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Steam Trap: Cast Iron, 3/4 in FNPT, 1,000 lb/hr, 30 psi Max., 450°F Max., Strainer Not Included (MPN 811-075-030)
Steam Trap: Cast Iron, 1/2 in FNPT, 1,000 lb/hr, 30 psi Max., 450°F Max., Strainer Not Included (MPN 811-050-030)
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Steam Trap: Cast Iron, 1/2 in FNPT, 1,000 lb/hr, 30 psi Max., 450°F Max., Strainer Not Included (MPN 811-050-030)

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