Accession Number:

AD0781228

Title:

Emerson Mixed-Gas Scuba: Further Preliminary Evaluation of the Flow Characteristics of the Prototype Regulator-Orifice Unit; Preliminary Evaluation of Mouthpiece, Check Valves, and Hose Assembly.

Descriptive Note:

Final rept.,

Corporate Author:

NAVY EXPERIMENTAL DIVING UNIT WASHINGTON D C

Personal Author(s):

• Leyden,C. J.
• Searle,W. F. , Jr

Report Date:

1958-10-03

Pagination or Media Count:

26.0

Abstract:

This is the second report covering evaluation of individual components of the standard U.S.N. mixed-gas scuba. A modified gas regulator with drilled orifice is tested and found to meet specifications. The breathing bag adjustable relief valve is tested and found to meet specifications with minor modification. The mouthpiece, check valve and breathing tubes are tested for resistance drop and found to be satisfactory. Modified author abstract

Descriptors:

• *Diver equipment
• *Regulators
• *Breathing masks
• Check valves
• Hose fittings
• Pressure breathing
• Safety valves
• Reliability

Subject Categories:

• Life Support Systems

Distribution Statement:

APPROVED FOR PUBLIC RELEASE