High Balancing Level
Each impeller reaches G2.5 grade balancing level (whereas common products have only G6.3 level). This high balancing level has ensured the stable, durable and quiet operation of YFRTX fans.
Low Energy Consumption and No Overload
Rooftop ventilation, smoke exhaust, positive pressure air supply, explosion proof ventilation and dual speed ventilation.
RTX fans have the CNEX certification to perform smoke removal duty.
Novel and Practical Design to Withstand Strong Wind
Reliability Design for Safety and Long Service Life
Advantages of Direct Drive Type: High Efficiency and Maintenance-free Design
The fan should be an axial direct driven type mounted with axial impellers.
Tests shall be performed on RTX fans and certificates obtained under AMCA Standard 210 & 300. The published data shall derive from actual tests. The manufacturer shall have the Production License for National Industrial Products and get the ISO9001 certification.
The impeller should be an axial type. The blade should be made of carbon steel (surface treated with electrostatic epoxy coatings) [options: aluminum alloy (AL) stainless steel (SS) / glass reinforced plastic (FRP)]. The impeller should be statically dynamic balanced to G2.5 as per AMCA 204. After reaching the limit speed, it should be able to maintain a smooth airflow and low noise, and the fan should be able to effectively avoid the performance decline caused by the slippage of the operating point.
The hood should be made of galvanized steel panels [option: stainless steel (SS)]. The internal support structure should be stable and reliable. It shall be streamlined. The structure should be repeatedly reinforced with stiffeners to withstand strong wind loads. It should be a slope type to eliminate rain and snow with gravity during heavy rain or snow.
There shall be a close match between the motor and the fan load. The motor shall have a degree of protection standard IP54, an insulation class F and Temperature Rise Class B. Its bearing shall be of ball type and require no lubrication. The motor type must be correctly selected according to the specific operating conditions, such as TEFC, 2-SPD, EXP, VFD and 60Hz.
Spark Resistant Construction (For explosion- proof type only)
The motor shall be of explosion-proof type. An AMCA 99 Type B Spark Resistant Construction shall be adopted. A copper ring shall be fitted at the inlet. The fan shall have the Ex Certificate of Conformity and the Production License for Explosion-Proof Electrical Products shall be obtained.
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