Heat Exchange Group Products and Services

Economisers, Flue Gas Coolers and Air Preheaters

These heat exchangers are installed in the exhaust path of the boiler and are designed with plain, spiral-finned and plate-finned tubes

• Pressure: 10 - 320 bar

• Water flowrate: 10 - 2800 t/h

• Thermal duty: 1 - 100 MW

• Tube length: Up to 18 m

• Module size: W x L x H from (1m x 3m x 1m) to (6m x 20m x 4 m)

• Module weight: 15 - 150 tonnes

Shell and Tube heat exchangers

These heat exchangers are used for Oil & Gas and Industrial applications, when liquids and gases need to be heated and cooled within production processes

• Output: up to 60 t/h

• Pressure: 5 - 300 bar

Green’s manufacture these units in carbon steel and stainless steel 300-series

Plate heat exchangers

These heat exchangers can be used in many applications including the food and drink industry, chemical, oil and gas, hospitals, universities to name a few where products need to be heated and cooled.

- Pressure 5 - 40 bar

We can refurbish, clean and NDT inspect the plates, port liners and inspect all component parts.

We can supply and fit new OEM equipment from various worldwide suppliers. We are proud channel partners of API Schmidt-Bretten

New designs can be manufactured and existing models can be remanufactured using the OEM or third party manufacturer.

OUR PRODUCTS

Air Coolers

These heat exchangers can be used to discharge heat into the atmosphere

• Pressure: 5 - 300 bar

• Module size W x L x H from (1m x 3m x 1m) to (4m x 12m x 1m)

• Module weight : 5 - 150 tonnes

Waste heat boilers

These boilers are installed on the back of Heavy Fuel Engines to capture energy from the exhaust gases to generate additional steam for Power generation. It is called a ‘Cogeneration system’

• Output: up to 100 t/h (65 MW)

• Pressure: 40 - 50 bar

• Superheat to 450 °C

• Weight: typical 175 tonnes

Exhaust gas / Marine boilers

These boilers are installed on the exhaust path from a marine engine to generate steam for auxiliary services on a ship

• Output: up to 6 t/h (3.5 MW)

• Pressure: 6 - 15 bar

• Superheat to 270 °C

• Weight up to 75 tonnes

OUR PRODUCTS – PRESSURE PARTS

Steel H-fin tubes

Green’s manufacture Steel H-fin tubes in-house using two finning machines designed and manufactured by Green’s

• Tube OD: from 25.4 mm to 60. 3 mm

• Finned length: up to 18 m

Single and Double tube plate sizes are available

Superheaters

We manufacture Superheater equipment for all power and industrial applications

• Carbon Steel

• Stainless Steel

• Full range of pressures to approx. 100 bar

• In house boost bending machine

• Tube rollers, manipulations

• Full testing facility

• Bespoke manufacturing cell with material segregation

OUR PRODUCTS

Rail cooler groups

Design and Manufacture a selection of replacement Rail heat exchangers for

• Cl158

• CL150

• CL170

We have the in-house capability to service (clean, test and repair) existing units and manufacture replacement units with our experienced aluminium welding team.

District heating equipment

We can offer a full turnkey solution for clients looking to revamp their heat network. This includes:

• Comprehensive site surveys and reports

• Design of pipework and capital equipment to be installed

• Integration of electrical controls and communication systems

• Full mechanical installation and commissioning

We have dedicated teams that can carry out complex projects for district heating and heat networks as a whole, which is a great contributor to helping reduce carbon outputs from domestic & commercial heating systems.

Our Service Centre

• Coordinates all HEG service activities

• Site service and project management

• Service, cleaning, repair and testing of all types of heat exchangers, including:

• Shell & Tube (includes retube)

• Calorifiers

• Air Coolers

• HVAC Coils

• Chemical clean and wash bay with effluent treatment

• NDT

• Fabrication and assembly of heat exchangers

• Available 24/7, 365 days per year

Installation

• UK and Worldwide (land, marine and offshore) installation of HEG manufactured capital equipment, including:

• Economisers

• Superheaters

• Air Heaters

• Waste heat boilers

• Heat Exchangers

• Fully supervised site teams including coded welders, pipefitters, platers & riggers

• We can undertake full turnkey projects (which could include CDM, NDT, scaffolding, insulation and cladding, crane)

• We will install other manufacturers’ equipment

• Available 24/7, 365 days per year

Plate Heat Exchanger servicing and refurbishment

• Dedicated PHE facility and service team

• Strip, clean, crack detect, re-gasket, rebuild, test and report

• Full refurbishment service

• We can source the majority of plates and gaskets for next day

• We can hold clients’ strategic stock and spare plate packs

• Supply new PHE units

• Term service agreements

• We look after all makes and models of PHE

• Available 24/7, 365 days per year

OUR SERVICES – WHAT WE DO

Boiler site services

• Service and repairs of marine and land boilers and associated equipment – UK and Worldwide, including:

• Annual service and maintenance

• Inspections and surveys

• Boiler repairs and retubes

• Coded welding

• Pipework fabrication and install

• Available 24/7, 365 days per year

Heat exchanger site services

• UK-wide, on-site service and repairs to ALL types of heat exchangers.

• Tube plugging and retubes

• Cleaning

• Inspection and testing

• Coded weld repairs

• Plate Heat Exchanger onsite cleaning and plate-pack changes

• We are proud channel partners of API Schmidt-Bretten

• Available 24/7, 365 days per year

Spare parts

• We supply a wide range of spare parts for heat exchangers, boilers, burners and associated equipment.

• We aim to provide comprehensive quotations within 24 hours.

• We arrange shipment throughout the world.

• Many items can be dispatched immediately from our stocks or from our preferred suppliers around the world.

• We supply spares globally to more than 450 marine and land-based customers.

• Available 24/7, 365 days per year

ENGINEERING SERVICES

Our qualified and experienced design engineering specialists work alongside our production and contract management teams to provide comprehensive consultancy and support services. They help to deliver the most effective and efficient waste heat recovery solutions for our customers in the energy, industrial and marine sectors by analysing their requirements and proposing solutions to required design codes using a range of tools and skills.

Services include:

Full support services for thermal and mechanical design of boilers, economisers and waste heat recovery systems

• Design and engineering of other related plant and equipment on customers’ sites

• Pipe stress analysis of new and existing systems to design codes such as EN 13480, ASME B31.1 & B31.3

• Pipe routing and design

• Pipe support selection and design

• 3D modelling

Programmes used include:

• SolidWorks

• Bentley STAAD.Pro

• Bentley Autopipe

• Proprietary in-house programmes

Our customers include:

• Yuhuang Chemical Inc

• British Sugar

• Jersey Waste

• Confidence Rangpur

OUR LOCATIONS

Heat Exchange Group Services provides complete cycle of heat exchanger services

Green’s is one of Europe’s largest providers of boiler equipment and services including engineering repairs, inspections, installation and spares.

Prudhoe Service Centre

Wakefield Engineering & Manufacture

Aberdeen Service Team / Office

OUR BRANDS

Our long heritage has meant we have acquired these brands, including the design programs, drawings and intellectual property and skills relating to this equipment. We are the OEM authorised to repair, service and manufacture new products from all these brands.

OUR VALUES

Committed to excellence

• Share your expertise and knowledge with others willingly and confidently.

• Share ideas and speak up with respect and confidence.

• Display passion and energy in what you do.

• Be solutions focused and challenge conventional thinking to overcome barriers.

• Ensure high standards by acting with integrity.

Win together

• Support, respect and care for your colleagues.

• Celebrate and have fun together.

• Be energetic and inspire others by how you show up every day.

• Work collaboratively and deliver excellence on commitments to your teammates.

• Build relationships on trust and transparency.

Safety first

• Be open and inclusive.

• Listen to and respect each other.

• Challenge yourself to think of new and better ways of working- small changes can make a big difference.

• Use a Stop-Think-Act methodology to apply thoughtful and responsible risk taking.

• Be a Hero, Target Zero!

Inspire growth

• Be accountable for your own learning.

• Listen to others as a tool to learn.

• Show passion and commitment for your future and the future of our industry.

• Share great ideas and constructive feedback in a respectful and transparent way.

• Recognise and embrace the benefits of diversity and inclusion.

Go green

• Make positive and sustainable choices at work and in your personal life.

• Encourage others to make positive and sustainable choices.

• Share your ideas and knowledge to encourage better and more sustainable ways of working.