70VS – Variable speed pumping application
What is it?
It is a variable speed pressure boosting package.
Technologic 500 Controller with Danfoss variable frequency drives can operate and control up to 3 horizontal or vertically mounted parallel pumps. Any type of B&G or Goulds Water Technology pump can be used on these packages. The high end Tech 5500 controller is capable of handling up to 6 pumps as standard utilizing any brand of VFDs.
How does it work?
The system can be enabled to run automatically from the keypad, or remotely via “dry contact”, or serial communication.
The pumps then stage on and off and vary their speed to meet the design requirements of flow and head.
Why use it?
To boost pressure of incoming city water and of the available hot water to meet the flow and head requirements during the day and night.
Typical application
Hot and/or cold water pressure boosting applications for schools, prisons, large and small residential and commercial buildings, etc.
Selection Process
Selection of pumps, headers, and pressure reducing valves is done through ESP- PLUS. Quotes are generated using the pricing tool ESP-REP.
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Service Manual
SELECTION & SIZING TOOLS
Bell & Gossett offers several useful engineering tools for easy sizing of every area of a building. Simple to navigate software gives you accurate information and up-to-date documentation downloadable straight into your submittal package.
Some tools require a registered account: New User Registration | Existing User Password Help
| Selection Tools: | |
| ESP-DESIGN PLUS |  Bell & Gosset: Multi-Stage, Pressure Booster Packages, Wastewater, Vertical Turbines |
| ESP-PLUS | Bell & Gossett Pump Selection: Circulators, End Suction, Closed-Coupled, Inline, Double Suction |
| ESP-THERMAL | Bell & Gossett Gasket Plate & Frame and, Brazed Plate Heat Exchangers |
| ESP-PARTS | Parts Selection |
| Steam-2000 | Steam 200 Selection |
| Steam-1140 | Series 1140 Steam Service Regulators |
| Water-1140 | Series 1140 Water Service Regulators |
| Steam-Traps | Steam Traps Selection |
| CAD Drawings | CAD Drawings |
| Sizing Tools: | |
| System Syzer | System Sizing |
| System Syzer Psychrometry | System Sizing related to coil cooling |
| Steam-Pipe | Steam Pipe Sizing |
| Steam-Loss | Steam Loss Through Failed Trap |
| Flash-Steam | Flash Steam Sizing |
| Condensate-Pipe | Condensate Pipe Sizing |
Stand-Alone Software
For a Windows Applications (stand-alone) version of ESP-PLUS, please contact your local B&G Representative.
ESP Software Support:
For ESP Software Support, please contact ebusiness.support@xyleminc.com
Bell & Gossett
Bell & Gossett is a leading manufacturer of pumps, valves, heat exchangers, and accessories for plumbing, wastewater, and HVAC—including steam and heat transfer—applications.
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