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PostPosted: Wed 16 May - 07:53 (2018)    Post subject: pressure ventilation Reply with quote

"

BEIRUT, Feb. 23 (Xinhua) - - Lebanon's Prime Minister Saad Hariri lauded Thursday the decades-long relationship between Lebanon and Egypt, and thanked the latter for having always been a source of support for Lebanon and its people during the most difficult times, the National News Agency (NNA) reported.

Hariri represented by Telecoms Minister Jamal Jarrah, inaugurated the third Lebanese-Egyptian Business Forum, organized by the Egyptian-Lebanese Businessmen Friendship Association, in presence of Egyptian Minister of Investment and International Cooperation, Sahar Nasr, Lebanese Trade and Economy Minister Raed Khoury along with officials and investors from both countries, said the NNA.

""Late Prime Minister, Rafik Hariri, had always stressed the paramount importance of Arab unity, which he insisted would only be built on economic grounds. Economic unity is part and parcel to resolve political disputes between countries. Late Hariri used to reiterate the fact that we should all believe and trust in each other to be able to build a rigid economy,"" Jarrah said.

""We stand at the threshold of a new phase in Lebanon and the Arab world. President of the Republic, Michel Aoun's visit to Egypt emanates from his keenness on developing bilateral ties, at all levels,"" Jarrah concluded.

Nasr, for her part, emphasized the importance of bolstering Lebanese-Egyptian economic.

""Our meeting today is an important opportunity to discuss existing initiatives by the businessmen of both countries -- in support of the Egyptian and Lebanese economies -- and to discuss the best means to integrate these initiatives within the works of the Egyptian-Lebanese Joint Higher Committee, which will be holding its 8th meeting in Cairo in March 2017,"" she said.

The first forum was held in Beirut on February 13, 2015 and the second on November 10, 2015 with the participation of ministers and around 200 business leaders from both countries.
" Industrial Pressure Blower Co. distributes new style of Low Profile Positive Pressure Ventilators that have been designed to fit in tight compartments ans small spaces without scarificing performance or features. These compact ventilation blowers are available is both gasoline driven conviguration and with 115230V single phase electric motor.

The Positive Pressure Blower is a high volume fan use to pressurize a burning structure Wholesale Borussia Dortmund Jersey , in case of fire, in order to force the smoke out. Positive Pressure Blowers are portable Wholesale Bayern Munich Jersey , gasoline powered fans, most of which utilize a 5.5 horsepower engine. The theory of positive pressure ventilation is based on the principal of even pressure distribution. Once a structure is pressurized Wholesale Barcelona Jersey , air and smoke can be forced out through any opening (similar to escaping from an inflated baloon).

Electric smoke ejectors (negative pressure ventilation) can be used for smoke removal but this has proven to be inferior to positive pressure ventilation.

What makes Positive Pressure Ventilation superior to negative pressure ?

* The risk of injury from the engaged structure is reduced while placing the fan in operation.
* Positive pressure ventilation is faster to set up and requires fewer personnel.
* The Positive Pressure Blower has a self contained power source, while electric fans require cords and adaptors.
* Smoke and heat is removed from all levels of the structure unlike negative pressure which can result in localized extraction.
* Quicker results. After initial knockdown Wholesale Chelsea Jersey , positive pressure ventilation can be initiated and will show immediate improvements in the interior conditions.
* It allows replacement of contaminants with vital cooler, cleaner air - especially in sealed or windowless buildings. It's also very effective in large and compartmentalized buildings Wholesale Atletico Madrid Jersey , warehouses, schools Wholesale AS Roma Jersey , etc.
* Quick results allow firefighters faster entry due to lower heat levels and improved visibility.

The following criteria should be considered for effective use of Positive Ventilation:

- The cone of air must cover the intake opening. The fan must be placed the correct distance from the structure such as that the cone of air forms a seal around the opening.
- The size and location of the discharge is important. The discharge, if at all possible should be as high and far away from the intake as is practical. The discharge size should be between 34 to 12 times the intake. This may not always be possible as the fire may have already dictated discharge locations and sizes; but whenever there is a choice Wholesale Arsenal Jersey , the above criteria should be used.
- It is important to control the ait flow between the intake and discharge. Positive pressure ventilation can move air long distances if proper control is maintained by opening and closing doors, windows Wholesale AC Milan Jersey , etc. It is important that firefighters understand not to open the structure too much: ie breaking windows, etc.

The standard features of Industrial Pressure Blower Co. Positive Pressure Ventilators include: fold down "T" handle; 8" pneumatic tires with full width axle; a "tilt and lock" device that allows the unit to be angled 20 degrees up or down with infinite positions in between; sturdy and light 1 inch wrap around frame. Explosion proof electric motors are available as drivers too.

The optimum ventilator placement distance on most 6'6" doors is about five to six feet away. If placement is too close Wholesale Soccer Jerseys Online , the seal won't be achieved. If placement is too far away, the cone of air will be hitting well outside the opening.

Additional information can be found at the Industrial Pressure Blower Co. web site http:www.industrialpressureblowerblower.

Oleg Tchetchel
Canadian Industrial Air Systems Designer
Industrial Pressure Blower Co.
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PostPosted: Wed 16 May - 07:53 (2018)    Post subject: Publicité

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