MIL-DTL-2/70A
INTENDED USE: The valves covered by this specification sheet are intended for use with
cylinders containing high pressure flammable or toxic mixtures. If the LC50 of the mixture is
equal to or less than 200 ppm, a PRD is prohibited. If the LC50 is greater than 200 ppm and
contains a hazard zone A component, then no PRD is required; but if a PRD is used, it shall be
a type 4.
NOTES:
1. Type designation will include any style valve from table I.
2. Special requirements will be mandatory for all valve procurements.
3. Optional requirements will be specified for each valve procurement.
CHANGES FROM PREVIOUS ISSUE: Marginal notations are not used in this revision to
identify changes with respect to the previous issue due to the extent of the changes.
Custodians:
Preparing Activity:
DLA - GS3
Army - AT
Navy - SH
(Project 8120-1047-70)
Air Force - 68
Review Activities:
Army - AV
Navy - AS, MC, YD
2