Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM D3089-97(2008)
• Năm ban hành / Publication date: 2008
• Tình trạng / Status: W - Hết hiệu lực
• Tên tiếng Anh / Title in English: Standard Practice for Determining the A-D Dimension of Aerosol Valve Dip Tubes
• Chỉ số phân loại Quốc tế (ICS) / By field: 55.130 - Thùng đựng các chất
• Số trang / Page: 3
• Phạm vi áp dụng / Scope of standard: 1.1 This practice covers the rapid determination of the A-D dimension defined as the centerline dimension from the top plane of the valve mounting cup curl to the far end of the dip tube. See Fig. 1. 1.2 This practice is limited to valves with 1-in. (25.4-mm) mounting cups. 1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.FIG. 1 Aerosol Valve "A-D" DimensionFIG. 2 Aerosol Valve Diptube Measurement GageFIG. 3 Base Slide (material: 1¼ by 1¼ by 12 ½)FIG. 4 Slide Bearing (material thickness: 0.020)FIG. 5 Indicator Blade (material thickness: 0.015)FIG. 6 Slide (material: 1 by 1 by ½ )