Calder Video
Calder Video Introduction

Craig Smith - Calder Service Team

We are delighted to welcome Craig Smith to our team of service technicians. more........

Calder Tier IV Waterjet trailer unit

Pro-clean Industrial Services has taken delivery of the very latest in mobile waterjetting technology. more........

Ian Calder-Potts

Ian Calder-Potts, director and founder of Calder, visited both the London Stock Exchange and No. 10 Downing Street as part of a reception for those companies recognised in the LSEG report, 1000 Companies to Inspire Britain. more........

1000 Companies to Inspire Britain

We are delighted to be recognized in this prestigious report for the third time. more........

Calder tube bundle acceptance test.

Andrew Rettie of Denholm MacNamee and Calder’s Jim McNicol witnessed a successful factory acceptance test more........

Hammelmann Symposium
Hammelmann Symposium 22nd & 23rd March 2017

Hammelmann will be holding a two day Symposium at their facilities in Oelde, Germany, to showcase the latest in waterjetting technology. more........

Hammelmann MultiJet electric skid

Design starts on high and ultra high pressure waterjetting packages for the decontamination of process components in the nuclear industry. more........

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Engineered High Pressure Solutions

We are a leading manufacturer 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 waterjet pumping applications is significant.

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

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


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
PG Flow Solutions

PRESS RELEASE - Hvalstad / Worcester 1 October 2015

PG Flow Solutions and Calder join forces

PG Flow Solutions AS (PG), majority owned by Norvestor VI, L.P. (Norvestor) has acquired 100% of the shares in the UK high-pressure pumping specialist Calder ltd. (Calder). Calder is a leading high-end solution provider across industries for high-pressure pump solutions, with particular success within the oil & gas market where the company has proudly served leading oil services companies and operators since its inception in 1981. Read full Press Release here.

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