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|  MIL-P-18472G(SH)
HYDRAULILC INSTITUTE
Test Code of Standards - Centrifugal Pump Section.
(Application for copies should be addressed to the Hydraulic Institute, 712
Lakewood Center N., 14600 Detroit Avenue, Cleveland, OH 44107.)
SOCIETY OF AUTOMOTIVE ENGINEERS (SAE)
AMS 5398 - Steel Castings, Sand and Centrifugal, Corrosion
Resistant.
(Application for copies should be addressed to the Society of Automotive
Engineers, 400 Commonwealth Drive, Warrendale, PA 15096.)
(Non-Government standards and other publications are normally available from
the organizations that prepare or distribute the documents. These documents also
may be available in or through libraries or other informational services.)
2.3 Order of precedence. In the event of a conflict between the text of
this document and the references cited herein, the text of this document takes
precedence. Nothing in this document, however, supersedes applicable laws and
regulations unless a specific exemption has been obtained.
3.
REQUIREMENTS
3.1 First artic le. When specified (see 6.2), a sample shall be subjected
to first article inspection (see 6.5) in accordance with 4.3.
3.2 General charac terist ics. The pumps shall conform to the space and
weight requirements as specified (see 6.2). The pump unit shall perform under
the list, pitch, roll and trim conditions specified (see 6.2). Pumps shall
operate continuously at any point over the entire flow range and the design
conditions as specified (see 6.2).
3.2.1 Maintenance. The equipment specified herein will be operated, main-
tained, and repaired on board Navy ships (see 6.3). Human engineering aspects,
in accordance with MIL-STD-1472, shall also be fully explored and considered in
the equipment design to minimize the possibility of failure through improper
operation and maintenance, and to preclude personnel safety hazards. Positioning
and alignment of parts shall employ positive means such as shoulder, tongue and
groove, or other locating techniques whereby correct reassembly is repeatedly
assured.
In consonance with the concept of ease of maintenance and where not
already specified, the pump designer shall consider all of the following features
for incorporation:
(a)
Lifting lugs.
(b)
Casing assembly guide pins.
(c)
Alignment and positioning dowels,
Jacking screws,
(d)
(e)
Ease of access to couplings.
Remakeable piping connections.
(f)
Piping out of way of maintenance access.
(g)
Ease of packing, mechanical seal, bearing, and wearing ring
(h)
replacement,
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