5. Commissioning, operation
5.3 Mechanical mounting
The max. torque depends on the mounting point (e.g. material and shape). If you have any questions,
please contact our application consultant.
EN
→ For contact details see chapter 1 "General information" or the back page of the operating instructions.
1. Seal the sealing face (→ see "Sealing variants").
2
At the mounting point, screw the pressure switch in hand-tight.
.
3
Tighten with a torque spanner using the spanner flats.
.
Sealing variants
Parallel threads
Seal the sealing face with flat gasket, lens-type
sealing ring or WIKA profile sealing.
Tapered threads
Wrap threads with sealing material (e.g. PTFE
tape).
12
per EN 837
NPT, R and PT
WIKA operating instructions pressure switch, model PSD-4
per DIN 3852-E