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China Printing and Equipment Industry Association
China Printing and Equipment Manufacturing Industry Association
The China Printing and Equipment Manufacturing Industry Association (CPMEA) is a professional, non-profit organization committed to advancing the printing and equipment manufacturing industry in China. Established in 2001, CPMEA is a......
1117 
Olivia
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......
ministry of Metallurgical Industry Oxygen Safety Regulations
Oxygen Safety Regulations in the Metallurgical Industry
Introduction
Oxygen plays an integral role in the metallurgical industry, from simple oxy-fuel processes up to more advanced combustion processes such as those used for steelmaking. While oxygen has many useful applications, it can also be ......
Pressure Vessel Safety Technology Supervision Regulations
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1.Introduction
Pressure vessels are widely used in various industries, such as the metallurgical, petroleum, chemical, energy, pharmaceutical and military industries. Pressure vessels are used for carrying a variety of gases and liquids, and have the characteristics of pressure retention, stron......
Introduction to the standard of "Technical Conditions for Pipeline Valves"
Pipeline Valves Technical Requirements
Pipeline valves refer to the valve fittings used in the pipeline system to control the flow, pressure, temperature and liquid level of the medium. Commonly used valves are gate valves, globe valves, check valves, butterfly valves, ball valves, plug valves an......
2000 National Standard for Fasteners
The History of Fastener National Standards
International standards for fasteners came into use in the early 1950s, when the International Standardisation Organisation (ISO) published its first technical specification manual. This manual was used to ensure the compatibility of fasteners used in th......
CJ/T 3070-1999 Urban Water Classification Standard
Classification Standard of Urban Water Use
Introduction
Urban water usage is an important factor in the daily activities and operations of a city. It is important to ensure that water resources are managed in an efficient and effective manner to avoid significant losses in terms of unexpected wa......
CJJ 84-2000 Technical Specifications for Automobile Gas Filling Stations
Gas Station Technical Guidelines for Class II Automobiles (CJJ 84-2000)
Gas station is where people fill their vehicles with gas. It is important to understand the technical guidelines of different types of gas stations to ensure safety and proper functioning. There is a whole range of gas statio......
GB 12238-89 General valve flange and wafer connection butterfly valve
Introduction of GB 12238-89 General Valve Flanges and Wafer Butterfly Valves
GB 12238-89 General Valve Flanges and Wafer Butterfly Valves is a Chinese National Standard for the connection of general valve and pipeline fittings, promulgated and implemented on March 1st, 1989. This standard sets th......
GB 6567.3-86 Piping system graphic symbol pipe fittings
Piping System Graphic Symbols GB 6567.3-86
In order to simplify the diagram presentation of engineering design, Chinese standards have issued a national standard for the graphic symbols used to identify the piping system. The standard is GB 6567.3-86.
The standard specifies the symbols and decor......
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