MIL-PRF-53015B
2.3 Non-Government publications. The following documents form a part of this document to
the extent specified herein. Unless otherwise specified, the issues of these documents are those
cited in the solicitation or contract (see 6.2).
AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME)
ASME B1.20.1
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Pipe Threads, General Purpose (inch)
(Copies of these documents are available online at https://www.asme.org or from American
Society of Mechanical Engineers, Orders/Inquiries, P.O. Box 2300, Fairfield, NJ 07007-2300.)
2.4 Order of precedence. Unless otherwise noted herein or in the contract, 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 Description. The displacement and evacuation kit shall provide the components
necessary to use air pressure to displace liquid from sections of 4-inch or 6-inch hoseline, and to
evacuate and collapse the empty hoseline sections.
3.1.1 Construction. The kit furnished under this specification shall be in accordance with
the applicable drawing (57K6071) or as specified by the contracting authority. The drawings
forming a part of this specification are end product drawings.
3.2 First article. When specified (see 6.2), a sample shall be subjected to first article
inspection in accordance with 4.2.
3.3 Operating requirements.
3.3.1 Kit components. Kit components and quantities shall be in accordance with
drawing 57K6071.
3.3.2 Ejector. The ejector (also known as a jet pump, eductor, or siphon) shall have the
capability of creating a minimum vacuum of 20 inches of mercury, when propelled by
compressed air at 80 pounds per square inch (psi), at 110 cubic feet per minute (cfm). The
ejector shall have universal, twist-lock, claw, hose couplings installed on the suction and air inlet
connections.
3.3.3 Displacement ball. The displacement ball shall be a solid sphere. The ball material
shall have a density of not less than 5 lb./cu ft, and be capable of reducing to approximately
80of its original size under a pressure of 80 psi with a volume of 110 cfm. Unless another
equally effective material is available, the ball shall be made from open cell isocynate-terminated
polyester polyurethane foam, and be coated with a polyurethane elastomeric filament,
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