Armstrong Fluid Technology AS1270-380 O-Ring

The Armstrong Fluid Technology AS1270-380 O-Ring is a precision-engineered EPDM rubber seal designed specifically for 10-inch pump side connection suction guides. Featuring a 11.475" ID x 0.210" CS configuration, this EPDM cover O-ring ensures a high-integrity, leak-proof seal within demanding HVAC pumping systems. Engineered for dimensional stability, this Armstrong pump replacement part maintains its physical properties across varying temperature ranges, preventing pressure loss and protecting system efficiency. By utilizing specialized mechanical seal components, operators can ensure their industrial suction guides maintain optimal performance during continuous duty cycles. This centrifugal pump O-ring is the authentic factory solution for maintaining the structural integrity of your commercial hydronic equipment.

Key Benefits

• Durable EPDM Construction: Provides superior resistance to heat, water, and steam for long-lasting performance in HVACR systems.
• Precision Fit: Exact 11.475 inch inner diameter ensures a perfect match for 10" suction guide covers, eliminating bypass leakage.
• Chemical Resistance: Designed to withstand the common glycols and water treatment chemicals found in closed-loop hydronic systems.
• OEM Reliability: Genuine Armstrong AS1270-380 components guarantee compatibility and prevent the premature failure associated with generic seals.

Common Questions

What is the primary material of the AS1270-380?
This seal is manufactured from high-grade EPDM (Ethylene Propylene Diene Monomer), selected for its resilience in water-based heating and cooling applications.

How do I measure my existing O-ring to confirm the 11.475" ID?
To confirm the O-ring size, measure the inside diameter across the center and the cross-section (thickness) using a caliper while the part is laid flat.

Can this O-ring be used in oil-based systems?
No, EPDM seals are optimized for water and steam; they are not compatible with petroleum-based oils or fluids.

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.