Armstrong 410135-302 Circulating Pump 709T
The Armstrong 410135-302 Circulating Pump 709T is a high-performance, close-coupled horizontal pump built for long service life and dependable operation in demanding HVAC and building service applications. Designed for ease of installation and maintenance, this pump is ideal for cooling towers, heating systems, and general-purpose water circulation.
✅ Key Features
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Durable Design – Built with bronze-fitted or all-bronze construction for corrosion resistance and longevity.
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PEI (ULTEM) Impeller – High-strength, precision-engineered 4.375″ impeller ensures efficient water movement.
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Mechanical Seal – Inside single-spring mechanical seal for reliable leak protection.
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High-Efficiency Operation – 2 HP at 3500 RPM, with optional 1800 RPM configuration for flexible system design.
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Easy Maintenance – Close-coupled horizontal design reduces downtime and simplifies servicing.
Armstrong 410135-302 Pump Specifications
| Specification | Details |
|---|---|
| Model | 709T |
| Part Number | 410135-302 |
| Type | Close-Coupled Horizontal Circulating Pump |
| Connection Size | 2″ x 1.5″ |
| Impeller Size | 4.375″ PEI (ULTEM) |
| Motor Power | 2 HP |
| Speed | 3500 RPM (3600 RPM standard, 1800 RPM optional) |
| Phase | Three Phase |
| Construction Options | Bronze-fitted or All-Bronze |
| Applications | Cooling towers, HVAC, building services, general circulation |
Applications
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Commercial HVAC systems
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Cooling towers and chiller plants
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General-purpose water circulation
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Heating and hot water recirculation systems
❓ Frequently Asked Questions (FAQs)
1. What type of seal does the Armstrong 709T pump use?
It comes equipped with an inside single-spring mechanical seal for leak resistance.
2. Can this pump operate at different speeds?
Yes. It is designed for 3600 RPM (standard) and can be configured for 1800 RPM operation.
3. What materials are used for construction?
The pump is available in bronze-fitted or all-bronze construction for durability and resistance to corrosion.
4. Where is the Armstrong 410135-302 pump commonly used?
It is widely used in HVAC systems, cooling towers, and commercial building services.
5. Is the impeller replaceable?
Yes, the PEI (ULTEM) impeller is serviceable and designed for long-term performance.
