Pneumofore Air Cooled Vacuum Systems for Pipeline Drying and Ex-Proof Air Compressors

In producing nearly 40,000 units since 1923, Pneumofore has long established its reputation as one of the first and most experienced manufacturer of high capacity rotary vane air compressors and vacuum pumps. Today, industrial plants worldwide benefit from the reliability and durability of Pneumofore systems in a great variety of fields, including pipeline drying.

Based on a sturdy yet versatile design, Pneumofore vacuum pumps are built for turnkey operation and can be supplied in accordance with any specification for running on pads, truck trailers, or in containers. Pneumofore’s simple machine geometry affords constant performance and long-term operation in any environmental circumstance. Rotary vane pumps are combined with roots to shorten drying cycles.”

Mobile vacuum systems with air cooled rotary vane pumps

The Pneumofore vacuum systems extract air from the pipeline over a period of time until the humidity level reduces and a stable vacuum level is formed. All residual liquid water is evaporated and evacuated. When all the water has been removed, the dew point drops again and this signals the end of the vacuum purge process, depending on the target dew point.

Pneumofore’s vacuum pumps are sturdy, high capacity and single stage with extreme water vapor suction capability. Each UV50 H unit has at 1mbar(a) (29.88inHgV) up to 3.240m³/hr (1885cfm) capacity with 90kW (120HP) power and is able to evacuate 214kg/hr (472lbs/hr) of water.

Problematic liquid-ring vacuum systems and hyper-dry compressed gas machines are often replaced by Pneumofore rotary vane solutions, due to strongly reduced power supply requirements, absence of water need, simplicity of design for OEM independency and ease of on-field operation and maintenance. This solution is well suited for trucks to move on unpaved roads, in remote areas with no cooling water availability, as done by Gazprom in Russia.

Double stage vacuum pumps for pipeline drying

Pneumofore’s rotary vane pump operates single stage for the initial phase, down to about 50mbar(a) (28.44inHgV), then the second stage roots pump is activated to increase the capacity and improve the ultimate vacuum level down to 0.03mbar(a) (29,90inHgV) until the final dew point is reached. The two pump stages are assembled in a heavy duty frame for easy lifting and handling. The only required connections are the power supply and the single pipe connection.

This vacuum drying solution is used by BJ Services and TransAsia Pipeline. The pumps fit in a container which can be easily moved. Without excessive time and costs, as involved in methanol swabbing, this has proved to be the most effective method in commissioning pipes that are demonstrably dryer than any other. Air drying problems such as extracting water from side pipe traps are also solved. Water vapor is evacuated continuously with minimal need of power, without cooling water nor cooling towers or chillers.

Ex-proof rotary vane compressors

Pneumofore’s air compressors are appropriate for installed power of up to 280kW, with exclusive air cooling also for hot climates and pressures from 2.5bar to 10bar. The compressors feature direct coupling and low rotation speed, with only two bearings, few moving parts and very low compression temperatures. The rotary vane’s simple and reliable design allows higher efficiency and minor risk of explosion. Pneumofore provides special designs for off-shore installations, heavy frames for easy lifting and transportation and solutions adopted for underground mines.

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Press Release

Pneumofore Introduces New Atex-Certified K Series Gas Compressors

Vacuum pump and compressor systems specialist Pneumofore is pleased to announce the launch of its new line of K Series rotary vane gas compressor solutions, which have been specially designed to deliver optimum performance in industrial gas treatment and processing applications.

White Papers

Vacuum Drying Solutions for Pipeline Drying Operations

Pneumofore was engaged in the drying of a 1,386km-long pipeline spanning from East to Western India in 2007, as part of a collaboration with US-based BJ Services.

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Products and Services

Press Release

11 June 2018

Vacuum pump and compressor systems specialist Pneumofore is pleased to announce the launch of its new line of K Series rotary vane gas compressor solutions, which have been specially designed to deliver optimum performance in industrial gas treatment and processing applications.

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4 April 2018

Leading rotary vane compressor and vacuum pump specialist Pneumofore is pleased to announce the launch of its newly redesigned website.

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26 March 2018

Pneumofore has successfully exhibited for the first time at StocExpo Europe in Rotterdam, Netherlands, a leading international event for specialists in the tank terminal industry. 

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21 February 2017

The production of lubricants for industrial and automotive applications requires the use of vacuum supply for decanting the liquid materials, as well as the evaporation of the condensation that accumulates during storage and transportation.

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8 February 2017

Pneumofore have finished evaluation of the A35 air compressor in terms of vibration, pressure, absorbed power and temperature as part of the on-going Atex certification process.

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9 October 2015

Pneumofore attended the presentation of Eng. Daniel Hilfiker, CEO, at the Annual Global Forum, which was held in Berlin on 23-25 September.

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18 July 2013

Pneumofore participated in the Gas Infrastructure China Summit 2013, and came away with the following conclusions.

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13 September 2012

Pneumofore rotary vane vacuum pumps are increasingly installed worldwide to operate Vapour Recovery Units (VRU).

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30 March 2011

After more than 30 years of exploration, the important project regarding the 'Greater Gorgon' group of gas fields, about 200km from the north-west coast of Western Australia, has finally started. The considerable length of large-diameter gas pipelines will require commissioning, part of which is

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22 February 2011

At the beginning of 2011, two Pneumofore engineers travelled to India for the commissioning of six vacuum systems, model UV16 H B2500B, delivered to Narmada Offshore Constructions, a specialist in pigging and hydro-testing to serve the oil, gas and petrochemical industry. The pipeline is in Ujjai

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27 January 2011

Pneumofore, the oldest rotary compressor and vacuum pump manufacturer worldwide, is pleased to offer a free service of total drying time calculation. All you have to do is to simply provide the total water mass, the pipeline volume (length, diameter, water film thickness) and the dew point.

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18 October 2010

Based on experience collected over the years through numerous projects in collaboration with companies involved in gas pipeline commissioning, Pneumofore has designed the ultimate vacuum system, which has higher capacity, is completely air cooled, and compact for easy transportation in a 20ft con

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