
Maintain system integrity and prevent costly fluid leaks with the high-durability 8426401-003 Nitrile gasket designed for demanding HVAC and hydronic environments. This precision-engineered Armstrong replacement component provides an airtight, secure fit essential for maintaining pump performance and protecting your equipment from premature seal failure.
Crafted from premium-grade nitrile rubber, this gasket offers superior chemical and temperature resistance, ensuring reliable compression and sealing stability over the life of your pump assembly. It is engineered to conform perfectly to your 8-inch flange connections, effectively absorbing vibration and preventing process fluid loss under operating pressure.
Key System Performance Baselines:
- Material Composition: High-grade nitrile compound for superior chemical resistance.
- Pressure Retention: Engineered to maintain a leak-tight seal under standard hydronic operating pressures.
- Dimensional Precision: Factory-specified tolerances ensuring perfect alignment for 8-inch assemblies.
- Thermal Stability: Built to withstand fluctuating system temperatures without material degradation.
⚠️ Application Profile: Ideal for commercial HVAC circulating pumps, hydronic heating systems, and industrial fluid transfer installations requiring an 8-inch gasket seal.
| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 8426401-003 |
| Connection Size | 8-inch |
| Material | Nitrile |
Corporate Procurement & PO Processing
Formal Purchase Orders (POs) and tax-exempt ordering are accepted for commercial contractors and institutional facilities.
Apply for Trade Account & Terms →📋 Procurement & Shipping Notice
- LTL Freight Dispatch: Heavy commercial units ship directly via insured LTL carrier with delivery coordination included.
- Project Timelines & Submittals: Need guaranteed delivery dates, formal submittals, or tax-exempt processing?
👉 Request a Commercial Quote or contact our procurement team for direct freight scheduling.