JB/T 11956-2014 (English Version) PDF

Scope: This standard specifies the requirements, test methods, inspection rules, warranty period, marking and packaging of explosion-proof roof ventilators (hereinafter referred to as "ventilators"). This standard applies to explosion-proof roof ventilators for conveying flammable and explosive gases in industrial and civil buildings. The temperature of the conveying medium shall not exceed 60°C, the dust content and other solid impurities shall not exceed 100 mg/m, and the diameter of the impurities shall not exceed 1 mm.

JB/T 11956-2014 Referenced Document

GB 3836.1 Explosive atmospheres.Part 1:Equipment.General requirements
GB 3836.2 Explosive atmospheres.Part 2:Equipment protection by flameproof enclosures "d"
GB/T 1236 Industrial fan—Performance testing using standardized airways*， 2017-11-01 Update
GB/T 13306 Plates
GB/T 2888 Methods of noise measurement for fans blowers compressors and Roots blowers
JB/T 10213 Fans.Specifications for welding inspection*， 2014-07-09 Update
JB/T 10214 Fans.Specifications of riveting and welding part*， 2014-07-09 Update
JB/T 10562 Technical specification for general purposes axial fans
JB/T 10563 Technical specification for general purposes centrifugal fans
JB/T 10820 Mixed flow fan specification
JB/T 6444 General Technical Specifications for Fan Packaging*， 2019-08-02 Update
JB/T 6445 Fan impeller overspeed test*， 2018-04-01 Update
JB/T 6886 Technical specification for draught fan application
JB/T 7565.5 Specification of flameproof three-phase asynchronous motor.Part 5: YBF3 series flameproof three-phase asynchronous motor for fan (frame size 63 to 355)*， 2015-10-10 Update
JB/T 8689 Fan vibration detection and its limited value*， 2014-07-09 Update
JB/T 9101 Fan rotor balance*， 2014-07-09 Update