WJTA-IMCA Board Approves Color Coding Scheme for Pressure Hoses

The Board of Directors of the WaterJet Technology Association (WJTA) – Industrial & Municipal Cleaning Association (IMCA), on September 18, 2011, approved the addition of wording regarding a color coding scheme for pressure hoses to the Recommended Practices for the Use of High Pressure Waterjetting Equipment. The new text appears below:

Pressure hoses are designed for various pressures and could present a safety hazard if not used for the designated working pressure. In order to better identify the pressure in use, it is recommended that the following color code scheme is used for the applicable maximum working pressure:

PSI Bar Color
10,000 690 Yellow
15,000 1,034 Green
20,000 1,379 Blue
30,000 2,068 Silver
40,000 2,758 Orange
55,000 3,792 Red

The color scheme should be easily identifiable at least two feet from both hose ends. January 1, 2013, is the effective date for implementation. Abrasion-proof stickers are acceptable in the interim.

The new wording will be added to the current edition of the Recommended Practices for the Use of High Pressure Waterjetting Equipment effective immediately. The goal of this recommended practice is to help ensure on-the-job safety by making the various hoses more easily identifiable on sight.

For more information visit www.wjta.org, wjta-imca@wjta.org or call 314-241-1445.

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