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Current national standard catalog (valve)
There has been an increasing need for valves in many applications including power plants, chemical plants, oil & gas refineries, industrial processes, HVAC, etc. With the current state of modern technology, the quality and efficiency of the valve is becoming significantly important. In an effort t......
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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......
"Kao Gong Ji"
Examination for Civil Service
The Examination for Civil Service (called as the Ke Gong Ji in Chinese) is a system of competitive attention and essential academic knowledge to government bureaucracy. Imperial officials in China are usually selected through a range of examinations and tests that ha......
GB 10331-1989 Hygienic standard for perlite dust in the air of workshops
GB 10331-1989 Standard for Hygienic Control of Limestone Dust in Workshop Atmospheres
The General Administration of Quality Supervision, Inspection and Quarantine of Peoples Republic of China (AQSIQ) promulgated the GB10331-1989 Standard for Hygienic Control of Limestone Dust in Workshop Atmosphe......
GB 50156-92 Code for Design of Small Petroleum Depots and Gas Stations for Automobiles
GB50156-92 Small Petrochemical Warehouse and Automobile Fuel Station Design Specification
Introduction
The purpose of this National Standard (GB 50156-92), issued by the State Bureau of Technical Supervision, is to brief the design of small petrochemical warehouses and auto fuel stations. This s......
GBJ74-84 Code for Design of Petroleum Depots (2)
GBJ 74--84 Petroleum Depot Design Standard
This standard is released by the China National Petroleum Corporation (CNPC) and Guangdong Petroleum Administration Bureau on March 1984, and became effective on April 1, 1984. It is devoted to the regulations for the design and construction of petrole......
GB/T 14675-93 Determination of Air Quality Odor Three-point Comparative Smell Bag Method
GB/T 14675-93 Air Quality Determination of Odor by Three-Point Comparison Olfactometer Method
1. Introduction
GB/T 14675-93 is a comprehensive standard developed by the State Quality and Technical Supervision Bureau of the Peoples Republic of China (SQTSB) to standardize the determination of odo......
GB/T 2861.11-90 Die guide cylindrical helical compression spring
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GB/T 2861.11-90 Cylindrical helical compression springs for die-guiding device
Cylindrical helical compression springs for die-guiding device are a kind of precision components which are widely used in machine tool industry and other industrial fields. GB/T 2861.11-90 is a standard released by ......
GB2877-81 Two-way cartridge hydraulic valve installation and connection dimensions
Installation and Connection of Two-way Plug-in Hydraulic Valve According to GB 2877-81
The two-way plug-in hydraulic valve is a kind of three-position four-way type directional control valve. It is mainly composed of a valve body, a valve plug, a coil, a single pilot diaphragm and a relief valve.......
GB17264—1998 Safety technical conditions for filling stations of permanent gas cylinders
This International Standard specifies the technical conditions of the permanent gas cylinder filling station.
1 Scope
This International Standard specifies the design and construction, installation, commissioning, use, maintenance and inspection of permanent gas cylinder filling stations and the......
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