Bell and Gossett 70X Pressure Boosting Package

Bell and Gossett
70X Pressure Boosting Package
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Model 70X Pressure Boosting System
It combines a variable speed lead pump with one or two constant speed lag pumps.
It is a highly efficient and very economical pressure boosting package.
Use Tech 500 Controller with Danfoss VLT 6000 drive. Difference between lead/lag pump motors must be no larger than one size
. Typically 1531 vertical mounted pumps are used, but horizontal pumps can also be used.
Combination of a variable speed lead pump with one or two constant speed lag pumps
Highly efficient and very economical pressure boosting package
Operation of multiple pumps in parallel discharging into a common header
Smooth control with its variable speed capability
Easy to install and start-up
Small foot print saves valuable floor space
How does it work?
The system can be enabled to run automatically from the keypad, or remotely via "dry contact", or serial communication. Variable speed lead pump varies its speed to satisfy demand for most of the day and night, whereas the lag pumps stage on to meet the peak demand and then stage off as the demand decreases.
Why use it?
To boost pressure of incoming city water and of the available hot water to meet the design flow and head depending upon the building requirements all through the day and night.
Typical application
Suitable for cold and hot water pressure boosting applications for schools, prisons, large and small residential and commercial buildings, etc.

Key Features

• Duplex or Triplex
• Small Footprint
• Variable Speed System
• Turn-Key

Variable frequency drives are used to control AC motor speed and torque by varying the frequency and voltage. This improves energy efficiency for pumps. Pump Express has different types and brands of variable frequency drives.

Additional Information (PDF):

70X Pressure Boosting Package Specification
70X Pressure Boosting Package Product Brochure