MIL-PRF-53015B
a. At a point two feet downstream from the inlet cap.
b. At a point 1000 feet downstream, before the hoseline joint.
c. At a point 1000 feet downstream, after the hoseline joint.
TABLE II. Examination.
First
Ref.
Method of
Exam
Conf.
Defect
article
para.
examination
101
X
X
Kit components not as specified
3.3.1
Visual / Doc
102
X
Ejector not as specified.
3.3.2
Visual / SIE
103
X
Displacement ball not as specified.
3.3.3
Visual / SIE
104
X
Ball inlet assembly not as specified.
3.3.4
Visual / SIE
105
X
Ball receiver assembly not as specified.
3.3.5
Visual / SIE
106
X
Connecting clamps not as specified.
3.3.6
Visual / SIE
107
X
Grooved-end pipe caps not as specified.
3.3.7
Visual / SIE
108
X
X
Chest not as specified.
3.6.1
Visual / SIE
109
X
X
Materials not as specified.
3.6.2
Visual / Doc
Doc = Documentation
SIE = Standard Inspection Equipment
4.5.1.1 Displacement test. To determine conformance to 3.3.8, remove the inlet cap and
insert the displacement ball and ball inlet assembly. At the pipe joint between the two hose
clamps (1000 feet downstream) install the ball receiver assembly. When the connections are
completed, the hose clamp upstream and downstream of the ball receiver assembly shall be
loosened so as not to restrict flow. An air line, from an 80 psi at 110 cfm compressed air source,
having a twist-lock, claw hose connection shall be connected to the ball inlet assembly. The
hose clamp adjacent to the ball inlet assembly shall be loosened so as not to restrict flow.
Compressed air shall be applied at the ball inlet assembly. The elapsed time, from application of
air pressure until the displacement ball is caught at the ball receiver assembly, shall be not be
greater than 30 minutes. When the ball arrives at the receiver, the hose clamp downstream from
the connection shall be closed and the compressor stopped. Inability of the ball to displace the
liquid as specified, or damage to hoseline components shall constitute failure of this test.
4.5.1.2 Evacuation test. To determine conformance to 3.3.8, upon completion of liquid
displacement test, the ball receiver assembly and displacement ball shall be removed from the
hoseline. The suction side of the ejector shall be connected to the claw coupling on the ball inlet
assembly. The inlet side of the ejector shall be connected to the claw coupling on the air line and
air pressure, at 80 psi and 100 to 110 cfm, shall be applied to the ejector. The hoseline
evacuation and collapse shall be timed from the application of air to the ejector until the hoseline
assumes a ribbon form. The two hose clamps on the evacuated segment shall be tightened and
the evacuation process stopped. The ball inlet assembly shall be removed and a pipe cap
installed. Inability to evacuate and collapse the 1,000 foot section as specified within
30 minutes, or damage to hoseline components shall constitute failure of this test.
7
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