LATEST NEWS  Calder Hazardous Area Pump Package

Multi-purpose High Pressure Well Service Package:

A Calder 700 bar (90m³/hour) pressure test unit is en route to our customer for pipeline fill and pressure test applications. more........

 Calder Hazardous Area Pump Package

Hazardous Area Pump Package for Unmanned Platform:

Calder's produced water feed pump package for use on unmanned platform in the South China Sea. more........

Calder High Temperature Washdown Unit

Hazardous Area High Temperature Washdown Unit:

Calder's hot wash unit with the capacity to clean three platform decks simultaneously to operate in the Hejre oil field. more........

1000 Companies to Inspire Britain

1000 Companies to Inspire Britain:

Calder Ltd was named by the London Stock Exchange Group as one of the 1000 Companies to Inspire Britain in a landmark independent research report looking across all industry sectors in the UK economy. more........

Sabre Jetting

Atex Zone 1 Hot Wash:
Calder has recently delivered a new fleet of hotwash units to a major drilling contractor in Aberdeen more........

Sabre Jetting

Heli-Portable Well Service Units:
To meet the needs of an ever changing market place Calder were recently tasked to find a solution of how to design and transport a 14 tonne diesel driven well service pump system into an area only accessible by helicopters more........

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Engineered High Pressure Solutions

Calder Limited is a leading supplier of high and ultra high pressure packaged engineered solutions. We design, manufacture, install and service cost effective and environmentally responsible pumping solutions for safe and hazardous areas. Established in 1981, our experience in building robust pump packages for the toughest onshore and offshore process and water-jet pumping applications is significant.

Our success is founded on uncompromising quality and the incorporation of the very latest high and ultra high pressure pump technologies into packaged solutions to operate reliably in the most demanding environments.

Calder’s pumps and packages are designed to individual client’s specifications in compliance with UK, EU, NORSOK, GOST/RTN, IEC ex, and US general standards and regulations.


  • Chemical injection pump skids and systems
  • Injection pump packages for seawater, drill cuttings and produced water
  • High pressure & ultra high pressure waterjet pumps, units, and accessories
  • Flooding and pressure test pump packages
  • Hazardous area vacuum systems
  • Supply of bareshaft pumps for hazardous and non-hazardous applications

Package Options:

  • Skid mounted
  • Crash frame/lifting frame
  • Containerised
  • Trailer mounted
  • Vehicle mounted

Prime Movers Options:

  • Fixed/variable speed motors
  • Fixed/variable speed hydraulic drives
  • Diesel engine/gas engines
  • Pneumatic/air motors

Control Options:

  • Simple stop/start panels
  • Single or multiple pump control systems
  • Stand-alone or fully integrated controls
  • Optional data logging/acquisition

Offshore oil platform Hammelmann pump Pressure test Flood Pump Unit High pressure pump