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Series 4300 | Vertical In-Line (VIL) | 1 to 1,250 HP | 1.5" to 20" Sizes | 60 Hz
The Armstrong 4300 vertical in-line (VIL) pumps are pipe-mounted pumps designed for space-saving installation, high operating efficiency and long service life. They are used for HVAC-system pumping and light industrial or process pumping. This page covers the 60 Hz models for North American power.
| Manufacturer | Armstrong Fluid Technology |
|---|---|
| Series | 4300 Vertical In-Line (VIL) Pumps |
| Pump Type | Pipe-mounted vertical in-line single pump |
| Applications | HVAC-system pumping; light industrial / process pumping (water or glycol based) |
| Frequency | 60 Hz models (this page) |
| Casing Material | Cast iron, ductile iron or bronze |
| Impeller Material | Cast iron or bronze |
| Seal Configuration | Outside balanced or inside single-spring mechanical seal |
| Flow | Up to 28,000 USgpm (1,800 L/s) |
| Head | Up to 500 ft (150 m) |
| Temperature | 300°F (150°C) |
| Power Range | 1 HP to 1,250 HP (0.75 kW to 900 kW) |
| Pump Size | 1.5" to 20" (40 mm to 500 mm) |
Performance curves and dimensions for each size are included in the model submittals. 60 Hz submittals by pump size:
Armstrong pumps are covered by Armstrong's standard terms of sale and warranty. Review the full terms below for coverage details.
Always use genuine Armstrong parts, including seals, bearings and parts kits, to keep your 4300 performing to specification.