mol% of Oxygen per ASTM G ASTM G63, Standard Guide for Evaluating Nonmetallic Materials for ASTM G93 categorizes contaminants into 3 types. sealed plastic bag. The package shall be labeled: Swagelok Special Cleaning and Packaging (SC). ASTM G93 Standard Practice for Cleaning Methods and. Buy ASTM G PRACTICE FOR CLEANING METHODS AND CLEANLINESS LEVELS FOR MATERIAL AND EQUIPMENT USED IN.

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Historical Version s – view previous versions of standard. Work Item s – proposed revisions of this standard. The purpose of this practice is to furnish qualified technical personnel with pertinent information for the selection of cleaning methods for cleaning materials and equipment to be used in oxygen-enriched environments.

Oxygen Cleaning

This practice furnishes qualified b93 personnel with guidance in the specification of oxygen system cleanliness needs. It does not actually specify cleanliness levels. Insufficient cleanliness of components used in oxygen systems can result in the ignition of contaminants or components by a variety of mechanisms such as particle, mechanical, or pneumatic impact.


These mechanisms are explained in detail in Guide G Adequate contamination control in oxygen systems is imperative to minimize hazards and component failures that can result from contamination. Contamination must also be minimized to ensure an acceptable product purity. Removal of contaminants from materials and components depends on system configuration, materials of construction, and type and quantity of contaminant.


Examples of cleaning procedures contained herein may be followed or specified for those materials, components, and equipment indicated. The general cleaning text can be used to establish cleaning procedures for materials, components, equipment, and asrm not addressed in detail. See Guide G for discussion of cleaning agent and procedure selection.

Contamination problems encountered in the use of enriched air, mixtures of oxygen with other gases, or any adtm oxidizing gas may be solved by the same cleaning procedures applicable to most metallic and nonmetallic materials and equipment.

Cleaning examples for some specific materials, components, and equipment, and the cleaning methods for particular applications, are given in the appendices.


Furthermore, it does not propose specific ways to measure or monitor these levels from among the available methods.

The values given in parentheses are for information only. 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.

Federal, state and local safety and disposal regulations concerning the particular hazardous materials, reagents, operations, and equipment being used should be reviewed by the user. Specific cautions are given in Section 8. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

Link to Active This link will always route to the current Active version of the standard.