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ASTM E641-01(2006)

Current Reaffirmation

Standard Methods for Testing Hydraulic Spray Nozzles Used in Agriculture

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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.

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.


The purpose of these methods is to provide uniform testing procedures for evaluating the performance criteria of hydraulic spray nozzles used for agricultural purposes.

The procedures set forth in these methods are for spray nozzles of the hydraulic energy type in which the spray material is forced through an orifice under pressure, providing fluid break-up into droplets.

Droplet producing nozzles that operate by means other than hydraulic energy are not applicable to these methods.

SDO ASTM: ASTM International
Document Number E641
Publication Date Nov. 1, 2006
Language en - English
Page Count 6
Revision Level 01(2006)
Supercedes
Committee E35.22
Publish Date Document Id Type View
April 1, 2021 E0641-21 Revision
Oct. 1, 2012 E0641-01R12E01 Revision
April 10, 2001 E0641-01 Revision
Nov. 1, 2006 E0641-01R06 Reaffirmation
April 10, 2001 E0641-85R00 Reaffirmation