Product Description
Armstrong 4700 VMS 64 Vertical Multistage Pump
Series 4700 | VMS 64 | Vertical Multistage | 60 Hz
The Armstrong 4700 VMS 64 is a vertical multistage (VMS) pump for low-to-medium flow, high-head duty such as domestic water pressure boosting, fire safety jockey pumps, boiler feed water and cooling tower makeup water. It has stainless-steel hydraulics and a silicon carbide cartridge-type mechanical shaft seal that can be replaced without disassembling the motor bracket.
This is the 60 Hz model. Send us your flow, head, motor and voltage requirements, or the Armstrong model number from your nameplate, and Canadian Pump Shop will confirm the right VMS 64 for you. The model submittal below has the performance curves and dimensions.
Benefits & Features
Low operating cost
- NEMA-premium motors reduce energy consumption and cost
- All motors are suitable for inverter-fed service
Minimal mechanical wear and low maintenance cost
- Anti-erosion measures in high-velocity areas of the intermediate casing
- Square-edge 6- and 12-spline shaft design reduces impeller wear
- Casing venting prevents air entrapment and dry running
- Tungsten carbide pump bearing and silicon carbide mechanical seal seat
- Floating outer casing compensates for different operating temperatures
Specifications
| Manufacturer | Armstrong Fluid Technology |
|---|---|
| Series / Model | 4700 / VMS 64 |
| Frequency | 60 Hz |
| Pump Type | Vertical multistage, low axial thrust impellers |
| Hydraulics | Stainless steel |
| Seal Configuration | Silicon carbide cartridge-type mechanical shaft seal |
| Operating Temperature (series) | -22°F to 248°F (-30°C to 120°C) |
| 4700 Series Range | Up to 450 USgpm (102 m³/hr), up to 370 psi (22 bar), 0.5 to 60 HP |
Design & Submittals
- 4700 Vertical Multistage Pump VMS 64, 60Hz Submittal (PDF)
- 4700 Vertical Multistage (VMS) Pumps Brochure (PDF)
- 4700 VMS Typical Specification (DOCX)
Warranty
Armstrong pumps are covered by Armstrong's standard terms of sale and warranty. Review the full terms below for coverage details.
Installation, Maintenance, Genuine Parts & Parts Kits
- VMS & VMSB Installation & Operating Instructions (PDF)
- 4700 VMS Replacement Parts List (PDF)
- Armstrong Genuine Replacement Parts & Parts Kits (web page)
Always use genuine Armstrong parts, including seals, bearings and parts kits, to keep your 4700 performing to specification.
Please note: Motors and accessories vary by configuration. Not sure which seal kit or replacement parts you need for your 4700 VMS 64? Contact Canadian Pump Shop and we'll help match them to your system.