Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM E641-01(2012)E1
• Năm ban hành / Publication date: 2012
• Tình trạng / Status: W - Hết hiệu lực
• Tên tiếng Anh / Title in English: Standard Methods for Testing Hydraulic Spray Nozzles Used in Agriculture (Withdrawn 2021)
• Chỉ số phân loại Quốc tế (ICS) / By field: 65.060.40 - Thiết bị chăm sóc cây
• Số trang / Page: 6

Phạm vi áp dụng / Scope of standard

1.1 These methods cover procedures for testing hydraulic spray nozzles used in agriculture. The methods herein cover the following performance parameters: nozzle flow rate, nozzle spray angle, liquid distribution, spray droplet size, and nozzle wearability.

1.2 These methods are applicable to hydraulic spray nozzles which produce the following spray patterns: flat-fan, hollow cone, and full cone.

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 This standard does not purport to address the safety concerns associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.