Armstrong International A21825-1 Body Gasket

The Armstrong International A21825-1 Body Gasket is a critical sealing component engineered specifically for inverted bucket steam traps. This high-temperature gasket ensures a pressure-tight seal between the trap body and cap, preventing steam loss and maintaining system efficiency. Designed for use with Armstrong 800 Series, 811, 880, and 881 Series steam traps, the A21825-1 is built to withstand rigorous thermal cycling and high-pressure differentials common in industrial steam applications. Contractors and facility engineers rely on this OEM replacement part for routine maintenance and 1-lb to 250-lb pressure service. Proper seating of the A21825-1 gasket is essential for preventing bypass leaks that compromise condensate drainage. By utilizing industrial-grade materials resistant to steam-side corrosion, this replacement body gasket ensures long-term reliability in cast iron and stainless steel trap assemblies. Always verify torque specifications during installation to ensure optimal compression and seal integrity.

• Precision-engineered for Armstrong 800, 811, 880, and 881 inverted bucket traps.
• Ensures a secure, leak-proof seal under high-pressure steam conditions.
• High-temperature resistance prevents gasket degradation and blowout.
• OEM Armstrong International quality maintains equipment certification and performance.
• Critical component for preventing steam waste and improving condensate system metrics.

Is the A21825-1 compatible with the 880 Series stainless steel traps?
Yes, the A21825-1 is the designated body gasket for the 880 and 881 Series stainless steel inverted bucket traps, as well as the 800 and 811 cast iron models.

What causes a body gasket to fail in an inverted bucket trap?
Common causes include over-pressurization, improper bolt torque during maintenance, or excessive thermal shock. Using a genuine Armstrong A21825-1 ensures material compatibility with the steam environment.

Do I need to apply sealant to this gasket during installation?
For these Armstrong steam trap parts, it is generally recommended to install the gasket dry on clean, flat surfaces to ensure the material compresses correctly against the flange faces.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.