IINCH- POUND]
MIL-V-2961D(SH)
3 April 1990
SUPERSEDING
MIL-v-2961C(SHIPS)
24 May 1968
(See 6.12)
MILITARY SPECIFICATION
VALVES , CLOBE , PRESSURE REDUCING, GAS SERVICE
This specification is approved for use by the Naval Sea
Department of the Navy, and is available for use by all
Agencies of the Department of Defense
1. SCOPE
Systems Command,
Departments and
1.1 z. This specification covers self-contained globe (in-line and
offset) pressure reducing valves for gas (air or nitrogen) service intended for
shipboard and marine environment use (see 6.1)
Guidance in the selection and
installation of these valves is contained in M“[L-HDBK-227.
1,2 Classification. Pressure reducing valves shall be of the following
types, classes, body type, and pressure rating, as specified (see 6.2) :
Type I
Type 11 -
Type III -
Type IV -
class 1
Class 2 -
Body A
Body B
Direct spring loaded
Cas dome loaded
Gas dome loaded, pilot referenced
Internal pilot operated
Balanced main poppet
Unbalanced main poppet
In-line
Offset
Valves shall have nominal inlet pressure ratings of 200, 400, 600, 1500, 3000,
3300, and 6000 pounds per square inch (lb/inz) (see 6.8.5)
.c-
Beneficial comments (recommendations , additions ,
deletions) and any pertinent
data which may be of use in improving this document should be addressed to:
Commander, Naval Sea Systems Command, SEA.55Z3 , Department of the NaT,
Washington,
DC 20362-5101 by using the self-addressed Standardization Documenc
Improvement Proposal (DD Form 1L26) appearing at the end of this document or
by leccer.
AMsc ?//t?
FSC 4820
DISTRItiUTION STATEMENT A.
Approved for public release; distribution is u“limired.
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