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JG/T 222-2007: Laboratory variable air volume fume hoods
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Std ID	Version	USD	Buy	Deliver [PDF] in	Title (Description)
JG/T 222-2007	English	389	Add to Cart	3 days [Need to translate]	Laboratory variable air volume fume hoods

JG/T 222-2007: Laboratory variable air volume fume hoods

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Laboratory variable air volume fume hoods Book People's Republic of China building industry standards Laboratory variable volume exhaust hood 2007-08-01 released 2007-12-01 implementation Ministry of Construction of People's Republic of China released

Foreword

This standard Appendix A, Appendix B are normative appendix. This standard is proposed by the Ministry of Construction standard quota research institute. This standard by the National HVAC and purification equipment standardization Technical Committee. This standard is drafted by. Tongji University. Participated in the drafting of this standard. China Xinghua Hing Wah Engineering Company, China Petrochemical Group Shanghai Engineering Co., Ltd., TU think air-conditioning equipment (Suzhou) Co., Ltd., Phoenix Control Company, Raymond Science Experimental Equipment Co., Ltd., Shanghai Fei Experimental Equipment Co., Ltd. domain. The main drafters of this standard. Liqiang Min, Li Zuixuan, Liu Lin, Guo Jianxiong, Lu Tianyu, Wong Ka Sing, Wu Zhao urged. This standard is released for the first time. Laboratory variable volume exhaust hood

1 Scope

This standard specifies the laboratory variable air volume exhaust hood (hereinafter referred to as the variable volume exhaust hood) terms and definitions, specifications, models and examples, to Requirements, test methods, inspection rules and signs, packaging, transportation, storage. This standard applies to factory-made variable volume exhaust hood. This standard does not apply to bring the activated carbon filter or high-efficiency filter air volume exhaust hood.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. All dated references, which are subsequently owned Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to reach an agreement based on this standard research Whether you can use the latest versions of these files. For undated references, the latest version applies to this standard. GB/T 13306-1991 signs Hoods Heating and Ventilating Equipment Packaging, General Equipment Conditions Appearance and Quality of Heating and Ventilation Equipment JB/T 7246-1994

3 Terms and definitions

The following terms and definitions apply to this standard. 3.1 Standard fume hood with variable air volume control. When the exhaust door sliding door, to maintain the set surface wind speed. 3.2 After the change of sliding door position of the variable air volume exhaust fan, the time required for the surface wind speed to reach the set value again. 3.3 Variable air volume exhaust hood front 1.5m and its sides on both sides of the 1m and the height of the laboratory formed by the sensitive area of the laboratory. 3.4 Assessment of variable volume exhaust hood excretion index. When the variable-volume exhaust hood normal operation, the variable-volume exhaust gas tracer release gas cabinet The flow rate of the instrument was adjusted to 4.0 L/min, and the concentration of SF6 tracer gas measured by the operator's breathing zone in front of the VAV cabinet was adjusted. 4 Specifications, models and examples 4.1 size specifications Laboratory variable volume exhaust hood size should be consistent with the provisions of Table 1. ...