LATEST NEWS Calder Chemical Injection Unit

UK Concrete Show, Birmingham, UK:

The UK Concrete Show proved the perfect opportunity to cement our relationship with Conjet of Sweden. more........

Calder Chemical Injection Unit

World-leading Hydrodemolition Product Range Added to Calder’s Portfolio:

Calder is delighted to announce that we have signed a formal distribution agreement for Conjet equipment covering the United Kingdom, Republic of Ireland and the Middle East. more........

Calder Chemical Injection Unit

Four air-driven pneumatic chemical injection packages for North Sea platform:

Working alongside a major EPC, Calder have designed and built four multi-pump, air-driven, chemical injection skids for a leading North Sea Oil Major. more........

Versatile Jetters for Offshore Well Abandonment

6 weeks to design, manufacture and test a chemical injection pump package:

Due to an urgent requirement for a scale inhibitor pump package Calder, working with a leading EPC, designed, constructed, tested and delivered a working solution to a leading Operator. more........

Calder Offshore Korea Stand 2014

Offshore Korea Exhibition

Calder was represented this month in Korea by Steve Sharp (Sales Director) and Paul Rennie (Process Equipment Sales Manager) for the 2014 oil show in Busan. more........

Calder High Flow Zone II Jetting Unit

Calder Delivers Containerised High Flow Zone II Jetting Unit

The low maintenance Hammelmann pump powered by a 490 HP EC emissions-compliant power unit, ensures this high performance jetter can pump seawater at flows up to 170 litres per minute 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