Released recently, the Ministry of Industry and Information Technology, 23, 2018 file approved industry standards and 63 594 industrial metrology technical specification. Among them, the four valve industry standards implementation on December 1, item 1 pump metering technology standard will come into effect on July 1. Reporter learns to consult, in 594 the industry standard is approved, the chemical industry standard 43 items, including the Industrial Valves pneumatic device technical conditions 'heat preservation jacket valve' 'copper float type automatic exhaust valve' the liquefied natural gas (LNG) axial flow check four chemical industry standard of the valve. In 63 approved industry measurement in the technical specification, including the pump comprehensive performance test rig calibration specification of the conveyor belt roadway propane combustion performance test equipment calibration specification 6 items such as petrochemical industry measurement specification. The valve pneumatic device technical conditions the terms and definitions of the valve pneumatic device, technical requirements, test methods, inspection rule, marks, packaging and storage. This standard is applicable to pressure 0. 4MPa~0. Temperature - 7 mpa, the work environment 20 ℃ ~ 60 ℃, the air is clean, dry air or nitrogen or other gases compressible ( Must not contain any corrosive gas, solvents, or other liquid) , the valve of form a complete set of a straight line straight stroke pneumatic device for rotary motion Angle and stroke pneumatic device, does not apply to film type pneumatic device. 'Heat preservation jacket valve' regulation of heat preservation jacket valves of terms and definitions, structure, technical requirements, heat preservation jacket materials, test and inspection methods, inspection rule, marks supply requirements. This standard is applicable to PN16 ~ PN160 nominal pressure, nominal size DN15 to 24 ') of the heat preservation jacket gate valve, globe valve, check valve, ball valve and butterfly valve. Other specifications and types of heat preservation jacket valves can be used to reference. The copper float type automatic exhaust valve provides copper float type automatic exhaust valve structure, technical requirements, material, test and inspection methods, inspection rule, marks, and protection, packing and shipping. This standard is applicable to nominal pressure no greater than PN16, nominal size DN8 ~ DN25, working temperature - 20 ℃ ~ 110 ℃, the concentration of working medium is water or 30% or less of the ethylene glycol solution of the heat pump system with exhaust valve, etc. The liquefied natural gas (LNG) axial flow check valve 'regulation for liquefied natural gas (LNG) axial flow check valve structure, technical requirements, inspection and test methods, inspection rule, marks, and protection, packing and shipping. This standard is applicable to PN16 ~ PN250 nominal pressure, nominal size (to 24 '), the working medium for liquefied natural gas (LNG) of the flange and welding connection axial-flow check valve. Temperature is higher than the other - The low temperature of 162 ℃ axial-flow check Industrial Valves can also be reference to use. The pump comprehensive performance test rig calibration specification defines water pump comprehensive performance test rig measurement characteristics, conditions of calibration, calibration equipment and calibration method, suitable for water pump driven by motor quantity traceability of comprehensive performance test rig, you may refer to other forms of power.

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