""The signing of the ChAFTA will provide a better platform

Canada Blower Co. now offers a truly reversible (exhaust and supply roof ventilator for general building ventilation.

The Type CBRE recirculators are designed for use in commercial and industrial applications where there is sufiicient ceiling height to create a temperature differential between the floor and the ceiling. These applications include factories Ken Griffey Mariners Jersey , warehouses and large commercial buildings.

CBRE Roof Recirculators function as regular power roof ventilators in warmer weather and as an energy-saving recirculation air system in cold weather. Each unit is equipped with a reversible fan that distributes warm ceiling air thoughout the plant and reduces the builing's heating requirements. With a flip of a switch it can function as a conventional roof ventilator. There are two unit types: 1) for exhaust and recirculation; 2) for exhaust, supply and recirculation.

Available fan wheel sizes are from 24" to 60", performances: to 50,000 CFM @ 12" WG.

The reversible propeller incorporates specifically engineered airfoil sections and hub size for optimal efficiency and physical strength. Alternate adjustable pitch propeller blades are turned 180 degrees to one another and a double orifice is attached to the fan panel.

Type HS PRVs reliably extract large volumes of hot gases and smoke regardless of building configuration Edgar Martinez Mariners Jersey , location and weather conditions. They withstand high temperatures for long periods of time.

Another reliable ventilation system that can operate during a fire is Canada Blower Type HS Heat and Smoke Roof Ventilator. It prevents smoke logging, allows people to escape quickly, minimizes damages to property and contents and enables firemen to attack the fire without hindrance. These power roof ventilators have the added advantage of providing normal day to day ventilation and in many cases can also be fitted with duct work for use in multi storey buildings.

The concept of venting smoke and heat was first outlined by Industrial Risk Insurers (IRI). Use of powered ventilation could eliminate the problems experienced with gravity vents. Specially designed roof mounted exhaust fans would mechanically vent heat and smoke under emergency fire conditions.

The unique Type HS power roof ventilators provide a solution for emergency heat and smoke venting that is dependable under the most extreme circumstances.

All critical components of HS PTV that exposed to the airstream are ferrous construction to withstand high temperature conditions. These heavy gauge materials prevent warping of fan parts and malfunction at high temperatures. This also insures years of trouble-free service in normal daily operation of the PRV.

Belt and bearings are protected from the air stream by enclosing them in a ventilated tube. Design of HS fan incorporates a heat slingerimpeller. It isolates the fan bearings from damaging heat and draws cooler outside air through the motor compartment and over the belt and bearings. A spring load, fusible link activated device automatically opens dampers when temperature at the fan reaches 165 F. Thei enables the fan to function as a gravity ventilator prior to powered operation.

Type HC Power Roof Ventilators have been tested to operate:

- conituously at 650 F;
- 3 Hours at 800 F;
- 1.5 Hours at 1000 F;
- 12 Hour at 1 Felix Hernandez Mariners Jersey ,200 F.

Additional information can be found at the NISCO Fan Co. web site http:canadablowerheatindex.

Susan Terlitski
Canadian Industrial Process Engineer
Canada Blower
http:canadablowernewsindex
http:canadablowerhvacindex "
by Xu Haijing


CANBERRA, Dec. 20 (Xinhua) -- The free trade agreement between China and Australia has officially entered into force on Sunday, giving competitive advantages for exporters and investors from both countries into each other's market.


Hailed as ""historic"" and ""landmark"" by the Australian Minister for Trade and Investment Andrew Robb, the China-Australia Free Trade Agreement (ChAFTA) enables more than 86 percent of Australia's goods exports to China duty free Nelson Cruz Mariners Jersey , worth more than 90 billion AU dollars (65 billion U.S. dollars).


Once the agreement is fully implemented, 96 percent of Australian goods will enter China duty free, while 100 percent of Chinese exports to Australia will enjoy zero-tariff treatment.


""The signing of the ChAFTA will provide a better platform and an improved institutional guarantee for the two countries to complement each other with advantages and conduct close win-win cooperation,"" Chinese President Xi Jinping said in a message to then Australian Prime Minister Tony Abbott when the deal was inked in Canberra in June.


While addressing the signing ceremony Robinson Cano Mariners Jersey , Chinese Commerce Minster Gao Hucheng said the ChAFTA has ""monumental significance"" in bilateral relations and will ""boost economic cooperation and provide strong impetus to the economic growth of the two countries.""


Of all such agreements involving China, it contains ""the highest level of overall trade and investment liberalization,"" Gao noted.


Iron ores and concentrates, coal Ichiro Suzuki Mariners Jersey , gold, education-related travel services and copper are China's top five imports from Australia, while clothing, telecom equipment and parts Ryon Healy Jersey , computers, furniture, toys and sporting goods are the top five exports to Australia.


Chinese enterprises and consumers will have greater access to natural resources and finished products like high-quality food. Australians will also benefit from cheaper China-made garments and electronic gadgets.


Trade Minister Andrew Robb said tariffs have been cut on a range of important Australian exports including dairy, beef Hisashi Iwakuma Jersey , lamb, wine, seafood, fruit and vegetables Kyle Seager Jersey , processed foods, vitamins and health products.


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