Calder Video
Calder Video Introduction

BOP testing system
BOP testing system en route to drillship

Commissioned by a major oil & gas well service company, this blowout preventer (BOP) testing system will be used to test the sealing arrangements of BOPs more........

Venetian Bridge Clacton
Venetian Bridge, Clacton Selective concrete removal, paint removal, and concrete preparation

Moisture and corrosive salts have taken their toll on this iconic structure. more........

Billy Campbell
Billy Campbell - New Industrial Sales Manager.

We are pleased to announce the appointment of Billy Campbell as our new Industrial Sales Manager. more........

Julian Grant
Retirement for Julian – a new chapter begins

Julian Grant, our Industrial Sales Manager, will retire this Thursday. more........

Downhole chemical injection unit
Downhole chemical injection unit for hydrate control during well start-up operations.

• integral methanol storage tank • remote control from 200+ metres more........

SafeContractor approved for our food and automotive industry work.

With safety paramount, we have been audited and approved by SafeContractor. 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