"Centrifugal Purifier" (followed by flow rate).
Navy size designation.
Date of manufacture (month and year).
Manufacturer's serial number.
Contract number (and item number for multiple unit orders).
National stock number.
Nominal bowl speed.
3.7.2 Other identification plates. Each motor and each accessory unit shall
have an identification plate in accordance with the applicable equipment specifi-
3.8 Safety criteria. Equipment shall be constructed to ensure safety to
operating and maintenance personnel. Purifiers shall have their bowls enclosed to
prevent free vapor from escaping. External moving parts, which are a potential
hazard to personnel, shall be avoided wherever practicable. When their use is
unavoidable , positive protection in the form of a guard shall be provided.
corners and projections, which may cause injury to personnel or on which clothing
may catch, shall be avoided. The following are some of the known safety criteria
that apply to auxiliary machinery; others are contained in documents such as
MIL-STD-454 and MIL-E-917.
(a) Exposed rotating or reciprocating components, such as couplings,
linkages, belts, chains, and flywheels shall be enclosed with a
safety guard to prevent accidental personnel contact with the
(b) When an equipment specification requires the presence of a
hazardous material as a component of shipboard equipment,
conspicuous indication on the equipment of the presence of such
material, together with necessary warnings and instructions, is
3.9 Special tools. Special tools shall be furnished in the quantity
specified (see 6.2 and 6.11). Special tools are defined as those items required
for shipboard maintenance, servicing, and repair not listed in the Federal Supply
(Copies of this catalog may be consulted in the office of the Navy Fleet
Material Support Office, Mechanicsburg, PA 17055-0787 (FLEMATSUPPO)).
3.10 Workmanship. All parts of the purifier, before and after painting,
shall be clean and free of sand, rust, dirt, pits, sprues, scale, and other
harmful extraneous material which might detract from the intended operation,
function, or appearance of the equipment. Fasteners shall be fully engaged and
bolt heads and nuts shall be flat on washers or mating surface.
QUALITY ASSURANCE PROVISIONS
4.1 Responsibility for inspection. Unless otherwise specified in the
contract or purchase order, the contractor is responsible for the performance of
all inspection requirements (examinations and tests) as specified herein. Except
as otherwise specified in the contract or purchase order, the contractor may use
his own or any other facilities suitable for the performance of the inspection