!
MI L3TARY SPECIFICATfDN
VALVES. ANGLE, PRESSURE RELIEF, NAVAL SHIP~ARD,
1. ‘SCOPE
MfL-V.20065C(SHlPS)
8 June 1967
SUPEffSEfNNG
M3L-V-20065C(SRIPS)
8 July 1959
(See 6.3)
FUR STEAM SERVICE
~..
><
1.1 Scope. - This specification COV.XS spring loaded pressure relief valves for steam service.
*
1.2 ~lass.if~c~tfq~.. Pressure- relief &lves shall be of tie folfowfng types and compas ilions as
specified (see 6.2):
~pe I - Atmospheric outlet
Type U - Pressuretight outlet
Camposiiion A:
Chromium
- 2-114 percent
Molybdenum - 1 percent
Camgmsition B:
Chromium - 1-1/4 percent
Molybdenum - 1/2 percent
Composition & Carbon steei
2. APPLICABLE MCUMENTS
2. i lle tollowirg &cumenfs of the issue in effect on date of invitation for b!ds or request for pmpxal,
form a part of this specification to the extent specified hereim
SPECIFICATIONS
FEDERAL
QQ-N-268 -
hffLfTARY
MIL-S-901 -
Ml L-O- 1000;2 -
MIL-R-17131 -
MfL-S-23192 -
STANDARDS
.0--
Nickel-tipper Alloy and Nickef-Copper-Sillicon AS1OYCasffngs.
S~ck Tests, H. I. (Hfgh-fmFctk 9@oard Machinery, Equipment and
Systems, Requirements for.
Drawings. Engineering and Associated Lisfs.
Rods, Weldipg. Swfaclng.
Springs, Helical. Age- Hardenable Nickel- Chromi.m-fmn Alloy.
MfLfTARY
MfL-flD- 161 - Mechanical V[brat ions of %Ipbmrd Equfpment.
MIL-ES_D-798 - Nondestructive Testing, WeldiW, Qralify Con frui. Material CQntmf and
fdenfification and Hi-%ock Tesf Requirements for Pfpfng Syszem Com-
ponents for Naval %ifAoard Use.
(Copies of specifications. sfwuiards. drawings. and publications required by suppliers in comectfon
wilh specific proc.rmnmf functicms should be “bfai”ed from the pmc”ring activity or as
directed by tbe
ccmtrm-ti~ of fi~er. )
2.2 ghcr p+licMio?+ - The folfowfng &cumenfs form a Prt of this specification m the exsenf speci-
fied bcrein. Unless otherwise Indicafed. fhc issue in effecf on date of invffa.tfon for bids or requesf for
Pmpsai shall apply.
I
FSC 4620 I
Downloaded from http://www.everyspec.com
