WIKA CPP1600-X - Handbuch (Seite 9)

Comparison Test Pump GB
CPP 3000-X / CPP 5000-X / CPP 7000-X
WIKA Operating Instructions Comparison Test Pump Version 2.1 9
3.1.2 Connecting the test specimen and the reference instrument .
Before releasing the closure plugs in the test connections, ensure that the
system (spindle pump turned back completely counter-clockwise, open high-
pressure shut-off valve, open low-pressure shut-off valve) is depressurised.
Note: The closure plugs serve to seal off the test connections from oil leaks, or
from any penetrating contamination. It may not be pressurised under any
circumstances.
The test connections have a knurled nut with a G ¾ female thread, in which various threaded
connecting adapters may be screwed into. 2 threaded adapters with M16 x 1.5 male thread are
included in the scope of supply as standard equipment:
Connecting adapters with M20 x 1.5 male thread and 9/16-18UNF male thread with
sealing cone and a connecting adapter with G ½ female thread with an O-ring seal are
available as accessories. The maximum pressure permitted with the use of this
adapter is limited to 1600 bar.
First, install the matching threaded adapters on your test specimen and reference instrument.
Then connect the test specimen and the reference instrument, including the installed threaded
adapters, to the knurled nut of the test connections at the test pump. The free-running knurled nut
enables the orientation of the instruments. Firmly tighten the knurled nut and the threaded adapter
with a flat wrench in the desired clamping position. The wrench width for the knurled nut and the
threaded adapter is SW 36.
Additional sealing elements are not required. Sealing is performed purely metallic using a sealing
cone.
Threaded adapter
Knurled nut