MIL-DTL-2/22E
TABLE I. Valve requirements.
PRD1
Style
Class
Composition
Inlet
Outlet
Handwheel
size
application
I
05
A
6
660
Yes
7
II
05
A
6
660
Yes
7
1
Pressure Relief Device
SPECIAL REQUIREMENTS:
1. Mark the valve body: REFRIG.
OPTIONAL REQUIREMENTS:
1.
Outlet cap or plug (required) (not required).
2.
Disposable outlet cap or plug (required) (not required).
3.
Wrench or key (required) (not required).
4.
Dip tube assembled to valve (required) (not required).
INTENDED USE: The valves covered by this specification sheet are intended for use with
cylinders for the following refrigerant gases:
TABLE II. Refrigerant gasses.
Refrigerant
Chemical name
Refrigerant
Chemical name
R-11
Trichlorofluoromethane
R-152a
Difluoroethane
R-12
Dichlorodifluoromethane
R-290
Propane
R-13
Chlorotrifluoromethane
R-401A
(R-22/R-125/R-124)(53/13/34)
R-22
Chlorodifluoromethane
R-401B
(R-22/R-152a/R-124)(61/28/11)
R-23
Trifluoromethane
R-402A
(R-22/R-125/R-290)(38/60/2)
R-31
Chlorofluoromethane
R-402B
(R-22/R-125/R-290)(60/38/2)
R-32
Difluoromethane
R-404A
(R-125/R-143a/R-134a)(44/52/4)
R-113
Trichlorotrifluoroethane
R-500
(R-12/R-152a)(73.8/26.2)
R-114
Dichlorotetrafluoroethane
R-501
(R-22/R-12)(75.0/25.0)
R-115
Chloropentafluoroethane
R-502
(R-22/R-115)(48.8/51.2)
R-123
Dichlorotrifluoroethane
R-503
(R-23/R-13)(40.1/59.9)
R-124
Chlorotetrafluoroethane
R-504
(R-32/R-115)(48.2/51.8)
R-125
Pentafluoroethane
R-505
(R-12/R-31)(78.0/22.0)
R-134a
Tetrafluoroethane
R-506
(R-31/R-114)(55.1/44.9)
R-143a
Trifluoroethane
2
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