Idiomas disponibles
Idiomas disponibles
5. Commissioning, operation
Depending on the application, fill the instrument with the medium
„
before screwing it in, in order to ensure it functions properly.
Mounting is only permitted in the depressurised state. Reliably
„
EN
depressurise the instrument using the available valves and protec-
tive devices (e.g. shut-off valve, monoflange).
Nominal position per EN 837-3 / 9.6.6 image 7: 90° ±5° ( ⊥ ), if not
„
stated otherwise in the order documentation.
With parallel male threads (e.g. G ½ B), use flat gaskets, lens-type
„
sealing rings or WIKA profile sealings.
With tapered threads (e.g. NPT threads), the sealing is made in
„
the thread, using suitable sealing material (EN 837-2).
When screwing the instruments in, the force required for sealing
„
must not be applied through the case, but only through the
spanner flats provided for this purpose, and using a suitable tool.
The tightening torque is dependent on the selected process
„
connection.
16
Spanner flats
Sealing face
WIKA operating instructions, test gauge model 3
Sealing in the thread
Installation with open-ended spanner
