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What is the Fan Characteristics Curve ?
Fan Characteristic Curve stands for the relationship between volumetric flow rate and the pressure drop across the fan (static pressure), which is described by the fan characteristic curve. It is usually provided by the fan manufacturer. Below table shows a characteristic curve for a common... read more
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The main parameters for a fan
The main parameters, characteristic to a fan, are four in number Capacity (V) Pressure (p) Efficiency (η) Speed of rotation (Rpm) Capacity The capacity is the quantity of fluid moved by the fan, in volume, within a unit of time, and it is usually expressed in m3/h, m3/min., m3/sec. Pressure The total pressure... read more
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Motors efficiency ratings
The efficiency of an electrical motor is the ratio of mechanical power output to the electric power input. IE = International Efficiency : IE1 (Standard Efficiency) IE2 (High Efficiency) IE3 (Premium Efficiency) IE4 (Super Premium Efficiency) read more
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(English) How to create a clean painting environment?
Извините, этот техт доступен только в “Американский Английский”. read more
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Belt Drive vs Direct Drive
Direct Drive is more typical on smaller blowers and generally offers lower cost, fewer components to assemble, greater efficiency (no drive losses), reduced maintenance (no separate bearings or belts) and greater reliability. Belt Drive offers greater flexibility in matching airflow requirements when equipped with a variable pitch... read more
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Centrifugal fans impellers types.
Centrifugal fans impellers or blades can be divided in to following several types with different functions and specific purpose: Radial Blades These are high-pressure fans with medium airflow. Radial-bladed fans are best for industrial applications where there is dust, or in environments where there is gas or moisture... read more
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(English) What are the dual weapons of dust suppression?
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(English) Are ceiling-mounted air conditioners suitable for hotels?
Извините, этот техт доступен только в “Американский Английский”. read more
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(English) Shock! Global factories will stop working without her!
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What documents we will provide you after delivery of the products ?
The following documents will send to you by DHL : Commercial invoice———-original 2 sets Packing List——————-original 2 sets FORM E———————–original 1 set and 1 copy set Bill of Lading —————–original 1 set and 3 copy set read more