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The latest valve national standards and industry standards
Introduction
Valves are one of the fundamental elements of any plumbing system and are an integral part of a successful heating, ventilating and air conditioning (HVAC) system. In order to ensure the safety, accuracy and efficiency of valves, a range of standards and regulations are in place. Thi......
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Prolonging the Service Life of Diesel Turbochargers
Extending the Lifespan of a Diesel Turbine Supercharger
Introduction
A turbine-based supercharger (also known as a turbocharger) is an engine component found in diesel engines, designed to increase the amount of air drawn into the combustion chamber. Normally, atmospheric pressure is the only so......
Several causes of clutch slipping
The Causes of Clutch Slippage
Clutch slippage is a problem that can occur in any vehicle with an automatic or manual transmission. It is usually caused by a lack of clutch engagement, either due to worn parts or inadequate adjustment. When the clutch is slipping, the engine will rev without the v......
programmable control
Programmable controllers are computer based controllers that are used in many industries to manage, sequence, and operate electronic equipment and processes. These controllers are connected to several electronic and optical devices, such as pressure, temperature, and flow sensors, which allow them......
Compression test
Designation and Evaluation of Chromabond Adsorbents
Chromabond adsorbents represent a new class of organic solvent-based absorbent materials. These materials are designed to selectively remove trace organic compounds from fluids, including water, organic solvents, and aqueous solutions. Chromabon......
GB 10868-89 Specifications for Power Station Temperature and Pressure Reduction Valves
1. Introduction
The Power Station Temperature and Pressure Relief Valve (TPRV) is a device used to control and regulate the pressure and temperature of the power station system. It ensures safe operation of the power station systems by preventing over-pressure or over-temperature conditions from......
GB 10869-89 Specifications for power station control valves
EB GB 10869-89 Technical Conditions of Power Stations Control Valve
This document provides technical standards and technical requirements for the design, selection, manufacture, installation, management, operation, maintenance and repair of power station control valves.
1 Scope
This technical c......
GB4884.2-1995 pure helium
Hydrogen is a chemical element with the symbol H and atomic number 1. With an atomic weight of 1.008, it is the lightest element on the periodic table. Hydrogen is the most abundant chemical substance in the universe, making up 75% of normal matter by mass and almost all of the helium in the unive......
GB 12244-89 General requirements for pressure reducing valves
GB 12244-89 General Requirements for Pressure Reducing Valves
1 Scope
This standard specifies the general requirements for pressure reducing valves used in the control and regulation of pressure in the process of manufacturing, water supply, heating and other processes.
2 Normative References
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GB 12245-89 Pilot pressure reducing valve
Introduction
Pilot-operated pressure-reducing valves (PRvs) provide a reliable and maintenance-free solution for controlling pressure in an industrial process. Developed for use in a wide range of industries, PRV technology meets the needs of customers in the oil and gas, chemical, and heavy manu......
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