MT 644-1997
Active
GB/T 15335-2019
Active
National standards
GB/T 15335-2019 Determination of leakage rate and specific resistance for air duct
GB/T 15335-2019 Determination of leakage rate and specific resistance for air duct
Basic Information
Standard Code:
GB/T 15335-2019
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Mine machinery and equipment
ICS Name:
Other mining equipment
Publish Date:
2019-06-04
Implement Date:
2020-01-01
Publisher:
国家市场监督管理总局、中国国家标准化管理委员会
Technical Committee:
中国煤炭工业协会
Pages:
10 pages
Scope
本标准规定了风筒漏风率和风阻的测定系统、测定程序和测定结果计算。
本标准适用于正压风筒和负压风筒漏风率和风阻的测量。
Development Information
Drafting Units:
中煤科工集团重庆研究院有限公司、重庆安标检测研究院有限公司、安标国家矿用产品安全标志中心有限公司
Drafting Persons:
周植鹏、李少辉、孔令刚、巨广刚、卢宁、王范树、李冰晶、杨华运、杨亮、王巍、黎攀、张绪雷、廉博、石发强
Replace the following standards
Referenced Standards
GB/T 1236-2000 Industrial fans—Performance testing using standardized airways
GB/T 1236-2017 Industrial fan—Performance testing using standardized airways
GB/T 2624.3-2006 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full—Part 3:Nozzles and Venturi nozzles
MT 222-1996 Mining local blower for coal mine
MT/T 222-2019 The technical specifications for local fans used in coal mines
MT 222-1990 Local blower for coal mine
MT/T 222-2007 MT/T 222-2007 Specification for local fan used in coal mine
Related Standards
MT 646-1997
Abolished
MT 646-1997 Frictional metal prop
MT 668-1997
Replaced
MT 668-1997 Technical Conditions for Flame-Retardant Steel-Mesh-Core Conveying Belt for Coal Mines
MT 669-1997
Active
MT 669-1997 Technical condition of fire-resistant steel-cable conveyor-belt in coal mining
MT/T 154.7-1997
Active
MT/T 154.7-1997 Model designation of separating equipment for coal
MT/T 660-1997
Active