MIL-V-24624(SH)
mamm 1
13 February 1984
MILITARY SPECIFICATION
VALVES, BUTTERPLY, WAPER AND LUG STYLE,
SHIPBOARD SERVICE
This amendment forms a part of Military Specf.fication?lIL-V-24624(SH),
dated 3 November 1983, and is approved for use by the Naval Sea Systems
Command, Department of the Navy and is available for use by all Depart-
ments and &encies of the
(
3.3.2:
Md “and shall be
Department of Defense.
PAGE 5
established in accordance with the tests of
4.3.5.””
PAGE 6 “
.,
. .
3.6.2, line 1:
Delete “and disc”*and sub~tltute “, disc and seat”.
PAGE7 ‘-
3.6.4.1: Add as second sentence:
“The seat retainer ehall not protrude
beyond the body face nor be so deeply receeeed
that a spiral wound or other
gasket is ineffective over the sealing surface.-
3.701j line 2: Delete “or retivlng an
...
.
PAGE 8
...
3.13: “
Delete and substitute:
9
&ctuator from the valve.”
:,
.-,
.,-
...
.“’.
...
.... ., ,., . . ...
.. ,. .
“3.13 Life cycle and throttling. The valves shell be designed for a
life of 20,000 cycles and shall be capable of throttling in the 15 percent
A7 percent open position for a minimum of 12 hours. The valves shall paas
tests of 4*3.6.”
PAGE 10
4.3, fourth sentence: Delete and substitute “Valve sizes shall be 4,
14 and 24 inches.”
co
the
8,
4.3:
Add ‘“Priorto testing, preliminary drawings in accordance with 3.17
shall be submitted for review and approval.”
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