Stuart Turner SPU Digital Pressurisation Units

Stuart Turner has launched its own range of digital pressurisation units with a two-year guarantee on all units. The Stuart Turner Pressurisation Unit (SPU) range offers a unique design and advanced controls. Available in three sizes, Mini, Midi and Maxi, the Pressurisation Units offer an automatic filling and pressure maintenance solution for sealed heating and chiller systems, which can fill a system from empty and then maintain the fill pressure in sealed systems.

 

They are available with either one (duty) or two (duty standby) continuously rated brass pumps and utilise digital controls with a unique microprocessor and pressure transducer designed to provide self-diagnostics and an intuitive easy-to-use menu. These units can be either wall or floor mounted and with a configurable inlet and outlet which can be connected on either the left- or right-hand side, offering superior flexibility during the installation process.

 

The cost-effective Mini version is ideal for systems with a capacity of up to 6,000 litres, fitted with a three-litre capacity reservoir and capable of pressurising systems up to 3.0 bar. The Midi series has a reservoir capacity of 10 litres and offers a system pressure of up to 5.0 bar. For higher-demand applications, the Maxi system has an 18-litre reservoir capacity and will maintain systems up to 8.0 bar. The Maxi is designed for floor-mounted installations.

 

Both the Midi and the Maxi ranges are suitable for systems with a capacity of up to 300,000 litres, and also have four alarm outputs, a Modbus interface for connection to a Building Management System (BMS). The entire range offers quality and performance for both new and retrofit applications.

 

SPU Pressurisation Unit Features 

  • Duty or Duty-Standby
  • Up to 8.0 bar pressure
  • 2 - 18 litre tank capacity
  • High flow fill valve
  • Quiet operation - From 60db(A)

 

Stuart Turner Quality and Reliability

  • ISO 9001:2015
  • Built-in safety – low voltage controls
  • WRAS Approved fill valve
  • BS EN 60335 compliant
  • CE compliant
  • 2-year guarantee
  • Dry run protection
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