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Custom packages

Roots Systems excels in the design and assembly of custom packages for challenging environments. Our packages are designed with the protection of your process, personnel and equipment in mind. We can supply you with all the necessary safety features and instrumentation for monitoring, control, alarm and shut down.

We supply compressor packages both inside and outside of Europe that comply with local legislation and the standards used both onshore and offshore in the chemical and petrochemical, energy/power generation and oil and gas industries. Packages conforming to the latest edition of API Standard 619 are available.

Animation of Package Disassembly

Our custom packages are designed and engineered using the latest CAD technology reducing time and cost.

We offer:

We fabricate our own silencers in house and our own acoustic enclosures, complete with doors, forced ventilation systems, lighting, fire and gas detectors, and oxygen-depletion sensors.

Enclosure, Walk-in Type



Enclosure, Close-fitting Type

We can provide:

  • Purge gas system
  • Self-circulating pressurised liquid barrier system (API Standard 682, seal plan 53B)
  • Pumped pressurised liquid barrier system (API Standard 682, seal plan 54)
  • Pressurised gas barrier system (API Standard 682, seal plan 74)

Seal systems can be mounted on skid or off skid

Filters for Pressurised Nitrogen Barrier System

Pressurised Seal Oil Barrier System

Key-interlocked Changeover Valves for Duplex Filters

Pressurised Seal Oil Barrier System

We can include various means of temperature regulation.

Shell-and-tube Heat Exchanger

Air-blast Cooler (Air Fan / Fin Fan)

Steam Jackets

Cooling Water Jacket

We can include anything from the bare minimum, to fully comprehensive instrumentation meeting offshore specifications. A variety of instrument isolation methods are available.

We can mount instrument displays and junction boxes on a single stand at skid edge, alongside any seal fluid systems.

Instrument Displays

Condition Monitoring

Instrument Stand

Junction Boxes

We can include a local operator panel with push buttons and lamps, suitable for a hazardous area if necessary.

We fabricate our own skids and support frames in house.

We can include walkways, ladders and handrails.

Walkway to Access Enclosure

Walkway to Access Instrument Stand

We can recommend one of our own coating systems, suitable for either on shore or off shore, according to your application. Alternatively, we can use one that complies with your project specification.

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We can comply with the legislation of different countries and regions, for example:


Where applicable, packages will conform to following directives of the European Parliament and of the Council of the European Union, such as:

  • 93/68/EEC – CE Marking
  • 2014/68/EU – Pressure Equipment Directive (PED)
  • 2014/34/EU – Equipment for Explosive Atmospheres Directive (ATEX)

The Customs Union of Russia, Kazakhastan and Belarus

We can comply with the requirements of the Euro-Asian Council for Standardization, Metrology and Certification (EASC).

We can comply with international standards, national standards and company standards, including:

1. International Standards

International Organization for Standardization (ISO)

For example:
ISO 80079Explosive Atmospheres.

International Electrotechnical Commission (IEC)

For example:
IEC 60034Rotating Electrical Machines
IEC 60079*Explosive Atmosphere Standards
IECEx SystemSystem for Certification to Standards Relating to Equipment for use in Explosive Atmospheres.

* We can supply packages suitable for Zone 1 and Zone 2.

2. National Standards

American Gear Manufacturers’ Association (AGMA)

American National Standards Institute (ANSI)

For example:
ANSI/NFPA 70National Electrical Code (NEC)

American Petroleum Institute (API)

For example:
API Std 541Form-Wound Squirrel Cage Induction Motors - 375 kW (500 Horsepower) and Larger
API Std 547General-Purpose Form-Wound Squirrel Cage Induction Motors – 250 Horsepower and Larger’
ANSI/API Std 614 / ISO 10438-1 Lubrication, Shaft-Sealing and Oil-Control Systems and Auxiliaries
API Std 619Rotary-type Positive Displacement Compressors for Petroleum, Petrochemical, and Natural Gas Industries.
API Std 671Special-purpose Couplings for Petroleum, Chemical and Gas Industry Services.
API Std 682Pumps — Shaft Sealing Systems for Centrifugal and Rotary Pumps.
API Std 685 Sealless Centrifugal Pumps for Petroleum, Petrochemical, and Gas Industry Process Service

American Society of Mechanical Engineers (ASME)

For example:
ASME Boiler and Pressure Vessel Code (BPVC), Section II Materials
ASME Boiler and Pressure Vessel Code (BPVC), Section IIIRules for Construction of Nuclear Facility Components
ASME Boiler and Pressure Vessel Code (BPVC), Section V Nondestructive Examination
ASME Boiler and Pressure Vessel Code (BPVC), Section VIII*Rules for Construction of Pressure Vessels*
ASME Boiler and Pressure Vessel Code (BPVC), Section IXWelding, Brazing, and Fusing Qualifications

* ‘U’ stamp available.

American Welding Society (AWS)

For example:
AWS D1.1Structural Welding — Steel

Canadian Standards Associations (CSA)

For example:
CSA C22Canadian Electrical Code (CEC)

The Customs Union of Russia, Kazakhastan and Belarus

We can comply with GOST standards, and can provide the appropriate CU certificate.

Institute of Electrical and Electronic Engineers (IEEE)

For example:
IEEE 841IEEE Standard for Petroleum and Chemical Industry – Premium-Efficiency, Severe-Duty, Totally Enclosed Fan-Cooled (TEFC) Squirrel Cage Induction Motors – Up to and Including 370 kW (500 hp)

National Association of Corrosion Engineers (NACE)

For example:
ANSI/NACE MR0103Petroleum, Petrochemical and Natural Gas Industries — Metallic Materials Resistant to Sulfide Stress Cracking in Corrosive Petroleum Refining Environments.
ANSI/NACE MR0175Petroleum and Natural Gas Industries — Materials for Use in H2S-containing Environments in Oil and Gas Production.

National Electrical Manufacturers’ Association (NEMA)

For example:
ANSI/NEMA MG 1Motors and Generators


For example:
Norsok M-001Materials Selection
Norsok M-501Surface Preparation and Protective Coating

Tubular Exchanger Manufacturers’ Association (TEMA)

3. Company Standards

We are conversant with the standards and practices of EPCs such as Bechtel, Fluor, Jacobs, Technip, Wood Group (AMEC Foster Wheeler), etc. and those of oil and gas producers such as BP, ExxonMobil, Petronas, Royal Dutch Shell, Statoil, Total, etc.

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