JB/T 6411-2014 Introduction to the standard of axial fans for HVAC: This standard specifies the terms and definitions, types, basic parameters, technical requirements, test methods, inspection rules and marks, packaging and storage of axial fans for HVAC. This standard is applicable to single-stage axial flow fans with the impeller outer diameter (D) not more than 2400 mm, the volume flow range of 200 m3/h ~ 280000 m3/h and the static pressure range of 20 Pa ~ 1200 Pa. This standard does not apply to free fans. Alternative standard: JB/T 6411992 Execution time: 2014-10-0/.
JB/T11956-2014 Standard Name: Introduction to the ventilation standard for explosion-proof roofs: This standard specifies the requirements, test methods, inspection rules, shelf life, signs and packaging of explosion-proof roof ventilation. This standard is applicable to explosion-proof roof ventilation for conveying flammable and explosive gases in industrial and civil buildings. The temperature of the conveying medium is not more than 60℃, the content of dust and other solid impurities is not more than 65438 000 mg/m3, and the diameter of impurities is not more than 65438±0mm ... Execution time: 2014-101
JB/T 9099-20 14 Introduction to the standard of axial flow fans for cooling towers: This standard specifies the technical requirements, inspection methods, inspection rules, marks, packaging and quality assurance of axial flow fans for cooling towers. This standard applies to fans whose medium temperature is lower than 75℃ and relative humidity is less than 100%, and the circulating water system adopts forced ventilation of industrial cooling towers. Alternative standard: JB/T 9099-2002 Execution time: 2014-101.
JB/T10281-2014 Introduction to the standard of fire smoke exhaust fans: This standard specifies the requirements, test methods, inspection rules, marks and packaging of fire smoke exhaust fans. This standard is applicable to axial-flow, centrifugal and oblique-flow fans installed in mechanical smoke exhaust systems of various buildings, which play a smoke exhaust role in case of fire. This standard does not apply to fire smoke exhaust fan chassis, jet fans for tunnels with smoke exhaust function and axial fans for subways in subway tunnels. Alternative standard: JB/T.
10281-2001execution time: 2014-101.
JB/T 8941.1-2014 Universal Roots Blower Part 65438: Introduction of technical conditions and standards: This standard specifies the terms, definitions, requirements, test methods, inspection rules, marks, packaging and negative pressure blowers of universal Roots Blowers (including single-stage, double-stage and complete sets). This standard is applicable to general Roots blower for conveying air and neutral non-toxic and non-explosive gas. The inlet temperature of the blower should not be higher than 45℃, the content of solid particles in the gas should not be greater than 100 mg/m3, and the maximum particle size should not be greater than half of the minimum working gap of relative moving parts in the blower cylinder. Substitution standard: JB/T 8941.1999 Execution time: 2014-10-0/.
JB/T 894 1.2-20 14 Universal Roots Blower Part 2: Introduction of performance test method standard: This standard specifies the performance test method of universal Roots Blower. This standard is applicable to the performance test of general roots blower. Under special circumstances, as well as the blower used to transport special gas, its performance test can be carried out with reference to this standard. Alternative standard: JB/T 894 1.2- 1999 Execution time: 2014-10/.
JB/T11848-2014 Introduction to the standard of centrifugal oxygen compressor for air separation equipment: This standard specifies the basic parameters, technical requirements, test methods, inspection rules and marks, packaging, transportation and storage of single-shaft centrifugal oxygen compressor. This standard is applicable to the centrifugal oxygen compressor whose carrier gas is oxygen, the inlet pressure is not more than 0. 1MPa, the outlet pressure is not more than 4MPa, and the maximum flow rate is 100000m3/h (standard state). Non-air separation equipment supporting the oxygen compressor can also refer to the implementation. Execution time: 2014-10-01
JB/T11883-2014 Brief introduction to the standard of CNG booster compressors in the mother and child stations: This standard specifies the terms, models, structural types, requirements, test methods, inspection rules, marks, packaging and storage of CNG booster compressors in the mother and child stations. This standard is applicable to main station compressors with rated exhaust pressure of 25MPa and motor power not greater than 355kW and sub-station compressors with motor power not greater than 90kW. For compressors whose motor power is not within this range, it can be implemented with reference to this standard. Execution time: 2014-10-01
JB/T11884-2014 Brief introduction to the standard of medium-pressure compressor for carbon dioxide recovery without lubrication: This standard specifies the basic parameters, technical requirements, test methods, inspection rules and marks, packaging and storage of medium-pressure compressor for carbon dioxide recovery without lubrication. This standard is applicable to compressors with suction pressure of 0.002 MPa ~ 0.02 MPa, rated discharge pressure of 2.0 MPa ~ 4.0 MPa and driving motor power of 90 kW ~ 7 10 kW. Execution time: 2014-10-01
JB/T 8935-20 14 Brief introduction of safety requirements standard for compressors used in process flow: This standard specifies general safety rules, specific requirements for safety devices and protective equipment for compressors used in process flow. This standard applies to all types of process compressors, such as centrifugal compressors, axial compressors, reciprocating compressors and rotary compressors and their auxiliary equipment, including drives, intercoolers, buffers, separators or purifiers, intermediate connecting pipes and lubricating, sealing oil and water cooling systems. This standard does not apply to: a) a) air compressors specified in GB 22207-2008 Safety Requirements for Positive Displacement Air Compressors; B) Basic mechanical design of compressor parts; C) Design and operation of compressor related process equipment. Alternative standard: JB/T 8935- 1999 Execution time: 2014-101.
JB/T11848-2014 Introduction to the standard of centrifugal oxygen compressor for air separation equipment: This standard specifies the basic parameters, technical requirements, test methods, inspection rules and marks, packaging, transportation and storage of single-shaft centrifugal oxygen compressor. This standard is applicable to the centrifugal oxygen compressor whose carrier gas is oxygen, the inlet pressure is not more than 0. 1MPa, the outlet pressure is not more than 4MPa, and the maximum flow rate is 100000m3/h (standard state). Non-air separation equipment supporting the oxygen compressor can also refer to the implementation. Execution time: 2014-10-01