Mechanical Mounting - WIKA PSD-4 Mode D'emploi

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