scope:

This specification covers single wall rubber tubing for Hose Exhaust Pressure Difference Sensor applications. Parts are intended to withstand continuous service temperatures as defined for the respective class and type, see Table 1. The rubber materials described by this specification are suitable for the transport of air contaminated with fuel or other hydrocarbon vapor/condensate.

Note: Nothing in this standard supercedes applicable laws and regulations.

Note: In the event of conflict between the English and domestic language, the English language shall take precedence.

Purpose/Material Description.

Tube Marking.

The tube shall be legible marked with the following information: Association of Rubber Products Manufacturers (ARPM) identification code and date code. Such marking shall be printed parallel to the axis in block letters not < 3 mm high and the open space between the specified markings shall not be > 25 mm.

The date code shall consist of six (6) digits: The first two (2) digits shall represent the month (01 thru 12) of the year, the next two (2) digits shall represent the day of the month (01 thru 31), and the last two (2) digits shall be the last two (2) digits of the year, e.g., MMDDYY.

Symbols.

Not applicable.

Applicability.

Elastomeric tubing for Hose Exhaust Pressure Difference Sensor applications exposed to exhaust gas vapor.

Remarks.

None.