Atlas Copco’s new TwinAir range of containerised air compressors introduces revolutionary concept to offer the highest volume of air flow at up to 1058 l/s (2232 cfm).

It also provides the smallest footprints at 12 bar and 25 bar pressure for the oil and gas industries with versions for offshore applications, said an official spokesman.

The new TwinAir range of air compressors from Atlas Copco has been designed to meet the high demands of the oil and gas industries including offshore applications, for increased capacity compressors and enhanced productivity.

It features two operationally independent compressors with interconnected air manifolds housed within a standard 20 ft ISO container to provide a robust, energy efficient and safety enhanced air supply at medium and high pressure.

The unique package delivers the highest volume of compressed air available with the smallest footprint.

The Atlas Copco model XAH 1066 (XAH 2250 CD6) delivers a total actual free air delivery (f.a.d.) of 1058 l/s (2232 cfm) at a working pressure of 12 bar (175 psi).

The XRV 946 (XRV 2000 CD6) delivers a f.a.d. of 936 l/s (1975 cfm) at a working pressure of 25 bar (365 psi).

Housed within a standard ISO container ensures fast installation and minimised set up times.  CSC approval means that the unit is easily and legally transportable as container cargo resulting in reduced transportation costs.

The containerized unit also features fork lift slots and lifting eyes with slings rated to 150,000 lbs for ease of mobility on-site and loading.  TwinAir also provides excellent stackability during storage or if space is a premium with up to eight offshore units being stacked.

Two versions of the new range are available including a ‘standard build’ for specialized drilling and pipeline - related applications.  An offshore version is also available meeting all the necessary certifications. 

Both versions are ideally suited to, for example, for flaring duties by accelerating the flow of compressed air at well heads to burn excess gases in a controlled manner.

Similarly, TwinAir can be used for work on large steel structures during commissioning and decommissioning of exploration and production rigs requiring high volumes of air to restore surfaces and, at end of use, preparation before recycling.
The offshore version is also Det Norske Veritas (DNV) approved. This approval for offshore containers incorporates three bottom longitudinal C-type beams to ensure structural rigidity in a drop test; and also allowing offshore-specified painting inside the container. 

For additional structural rigidity the door hinges are also welded onto the container, and, once again, are offshore coating painted.

The container roof features a corrugated profile using carbon steel at the ends and stainless steel in the middle to provide anti-slip protection during service operations.

Within the container, air outlets are fitted at both ends together with a large grating for efficient air intake.  A double ceiling provides separation of the cold intake air channel and hot air outlet improving the ambient condition performance.

Prime power is provided by two Caterpillar  C13 Acert, six cylinder in-line diesel engines each rated at 328 kW (440 hp) to provide a combined total of 656 kW (880 hp) at 1600 rpm.  The engines meet stage 3A (EU)/Tier III (EPA) legislation.

Independent access controls for both engines provide the option to operate a single compressor for half the maximum flow if required. 

Fuel coolers, fitted as standard, increase fuel efficiency and performance of both engines.  Over speed protection/intake shutdown controls also prevent engine over runs and three standard emergency stop buttons can disable both power-plants.

Large service doors provide easy access for walk-