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Air Connections
Sprint LC is typically provided with two bulkhead (through-panel)
connectors on the front of the tester. The test port is 1/8 inch NPT and the
coupling port a #10 X 32 pitch machine thread for connecting external
fittings. (Your Sprint LC might have more or less ports and can be located
on the front or back depending on the options selected.)
The bulkhead labeled “1” is the
test port. This is where to
connect the product to be
tested. The test port supplies
air pressure needed to conduct
pressure decay, flow, and burst
tests.
The bulkhead labeled “2” is
typically a coupling port if the
tester is equipped with this
feature. This is where to
connect external fixtures used
to clamp or seal product to be
tested. The coupling port
supplies air pressure at either
full line pressure or to a
regulator adjusted pressure. Customers need to specify at the time of
order. If no coupling pressure is required, we’ll cap this port at the factory.
Test Port Connections
Be sure that connections made to the test port
do not leak. Test readings are inaccurate when
connections leak between Sprint LC and the
product to be tested.
FIGURE 24
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