[Asia Fluid Network News] Hot water circulation pump is a carbonless brush, green, electronic commutation, long life, no maintenance, small volume and high efficiency, low power consumption, anti-interference ability, smooth operation of the equipment. The stator and circuit board of the motor are encapsulated with epoxy resin and completely isolated from the rotor, so as to solve the problem of leakage caused by long-term diving of a motor-type DC water pump, and can be completely waterproof under water installation. The pump parameters can be adjusted and 24V Pumps can be modulated 2 meters head, but also 7 meters head, the same volume, wide voltage operation. Hot water circulating pump selection in the selection of such products need to pay attention to more matters, under normal circumstances, the user hot water circulating pump selection need to pay attention to the place: 1, the mechanical requirements of high reliability, Low noise, small vibration. 2, the correct calculation of pump purchase cost of investment, inspection of the pump manufacturer, requiring its equipment quality, good after-sales service, spare parts can be timely supply. 3, make the selected pump type and performance in line with the device flow, head, pressure, temperature and other process parameters, the most important thing is to determine the voltage, the maximum lift, and how much in the head when the flow rate reached. 4, must meet the requirements of the characteristics of the medium: a, on the transport of flammable, explosive toxic or precious medium pump requires shaft seal reliable or non-leak pump, such as magnetic drive pump (no shaft seal, using isolated magnetic indirect drive ). b, for conveying corrosive media pump, convection parts require corrosion-resistant materials, such as fluorine plastic corrosion-resistant pump. c, on the transport of solids containing medium pump, convection parts require wear-resistant materials, if necessary, the shaft seal with a cleaning liquid rinse. Through the above analysis, we can generally understand that in the choice of such products need to pay particular attention to where the point. Hot water circulation pump is a relatively young product, but its impact on people's lives is more and more important. With the rapid development of network information nowadays, it is not easy for users to choose the information that suits their needs from a great deal of information. This can also be a promotion channel for businesses.

In buildings, when insulating material is interrupted by a highly conductive material, thermal bridging takes place. Examples of thermal bridges include steel pins that interrupt the continuity of batt insulation and go through heavily insulated exterior walls. Simply put, thermal bridges occur where differences in material thermal conductivities result in significant lateral heat flow; e.g., heat flowing along the surface of a wall and then flowing through the wall via a steel pins. The infrared image to the right shows heat loss (i.e. yellow/red areas) through fasteners. The infrared camera doesn`t reveal any heating transfer for the Ramset I-Fâ„¢ (at -3ËšC) rather it highlights a high thermal bridging for the steel pin with a 21ËšC temperature. The Calculations performed by the Advanced Thermal/Fluids Optimization, Modelling and Simulation (ATOMS) Laboratory, Department of Mechanical & Industrial Engineering, University of Toronto show that the Ramset I-Fâ„¢ is over 99% efficient whereas the stick pins can downgrade the efficiency by more than 10%

 Insulation Fastening Systems is a efficient way to fix insulation board in building outer wall. Re-designed Actuated Tool and Gas tool will drive Insulation Fasteners into outer wall very rapidly. The efficiency is about ten times than anchor.

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