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reheater reheater
A Reheater
A reheater is a device used to re-heat cooled air. It is used in industrial and commercial applications and is typically found in large ventilation systems. Reheaters are often used to improve the efficiency of a ventilation system by allowing the heated air to be used again in the syst......
1039 
Hannah
Drilling instrumentation
Today, drilling instruments are extremely important to any drilling operation. Drilling instruments play a critical role in providing information about the drilling environment so that drilling personnel can understand and respond to potential problems quickly and efficiently.
Drilling instrument......
Oil and gas well downhole operation equipment
Oil and gas well subsurface operation equipment
Subsurface operations are vitally important to the oil and gas industry. As wells are drilled into the Earth, specialised engineering and equipment are required to ensure that the processes of drilling and transferring the resource to the surface is......
Gas Meter
Introduction
Natural gas is a naturally occurring gas used in many households because it is extremely efficient, economical, and safe. It is an untapped resource which comes from various nature sources including oil and coal beds. The natural gas then flows through pipes under pressure. To measur......
fuel injector fuel injector
关于喷油器
A fuel injector is a fuel delivery device for gasoline-powered engines. It is an electromechanical or electromechanical-hydraulic device that sprays a precisely metered amount of gasoline directly into the intake port and combustion chamber of an engine. Fuel injectors are used in modern......
water meter
Smart Water Meters
A smart water meter is a device used to measure and record the amount of water that is being used in a household, business, or other application. This type of device is becoming increasingly commonplace in many parts of the world and is expected to become the standard in the fu......
Commissioning of reactive power compensation device
Introduction
Reactive power compensation (RPC) has become an essential element in modern power system, being indispensable in the field of power transmission, distribution and utilization. It helps improve the power system performance in terms of efficiency and operation, and even provides cost sa......
refrigeration unit
Refrigeration Systems
Refrigeration systems provide the irreplaceable ability to maintain a certain temperature within a given area. Refrigeration systems are energy consuming machines which are used throughout the world in almost every industry sector. This guide is designed to provide a general......
ARI Standard 445-81 Room Air Inducers
Abstract
This paper discusses the standards established by the American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE) for the Room Air Inducers (RAI). Specifically, ASHRAE Standard 445.81 is the most recent standard, which outlines the requirements for installing and......
Maintenance and management of high temperature gear pump
Maintenance and Management of High Temperature Gear Pump
A gear pump is a device used to transfer fluids from one place to another through the use of positive displacement. It is a kind of positive displacement pump which uses the meshing of gears to create pressure and flow. High temperature gea......
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