Calder Video
Calder Video Introduction

Nuclear decommissioning washdown pump skid
Nuclear washdown skid

This wash down pump unit was designed and manufactured to support UK nuclear decommissioning activities.

Valhall Flank West platform
Pressure equalisation pump unit for Valhall Flank West

A pressure equalisation pump skid has been designed, built, and tested by Calder for Aker BP as part of a larger PG Flow Solutions scope of supply.

Offshore service vessel
Shell take collection of a lightweight, compact, hydraulically driven, high pressure chemical injection package

Energy giant Shell required a pump package designed for use in a Zone 2 hazardous environment on the deck of an offshore service vessel.

The Johan Sverdrup Phase 2 riser platform jacket being installed

Large order for Johan Sverdrup highlights the benefits of the PG/Calder relationship

PG/Calder Johan Sverdrup Phase 2 scope of supply includes pump units for scale inhibitor injection, chemical injection, emulsion breaker injection, and MEG injection. more........

Lightweight, compact, hydraulically driven, high pressure chemical injection package
Energy company orders a lightweight, compact, hydraulically driven, high pressure chemical injection package

This pump package is designed for use in a Zone 2 hazardous environment on the deck of an offshore service vessel and offshore platforms. more........

Compact offshore waterjetting drive module
Lightweight units to suit the needs of the offshore industry

For many ageing platforms in the North Sea, decisions are being made to either decommission them or to extend their operational life. more........

MultiAir compact air compressors
A fleet of lightweight, compact air compressors for hazardous environment operation

We have recently supplied a fleet of lightweight, compact air compressor units for use in Zone 2 (Group II Category 3 G IIB T3) hazardous environments. more........

MEG Injection pump package
MEG Injection pump package with twin variable stroke pumps

Design starts on a MEG injection pump package for use on a North Sea platform. more........

Work starts on MEG pump package for the Nova tie-back to Gjøa Project

Rosenberg WorleyParson AS has awarded PG Flow Solutions subsidiary Calder Ltd a contract to supply a MEG pump package to the Nova tie-back to Gjøa Project. more........

Offshore pump skid
Final checks for this robust offshore unit

Being prepared for despatch is this high pressure well service and pressure test unit from our MultiJet range capable of pumping up to 168 litres per minute at 690 bar. more........

High & Ultra High Pressure Solutions
Hammelmann high pressure pumps
Offshore waste injection CRI
Water injection & NGL injection
Offshore process units
High pressure water jetting equipment
Well service solutions

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 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 pumping solutions 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 Mover 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
  • 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 high pressure pumps Pressure test Flood Pump Unit High pressure pump