Standard G1/4" Internal Thread Version (Ds-3** / Ds-4** Series); Standard G1/4" Internal Thread Version (Ds-1** / Ds-5** Series); Flange Version - Hydropa DS-4 7 Serie Anleitung

Operating Manual / Piston Pressure Switch

6.3.1 Standard G1/4" internal thread version (DS-3** / DS-4** series)

The standard G1/4" internal thread version can be mounted directly on a pipe connection. Ensure
that the installation spanner (A/F 27) is only applied to the threaded flange during installation
(see Fig. 1). Fixing options are provided by two M5x10mm deep threaded holes located opposite
the unit plug (see Fig. 2) or Ø5.5mm through-holes in conjunction with an adapter plate (ordered
separately) (see Fig. 3).
M5x10mm deep
Threaded flange A/F27
Ø5,5mm 360° rotateable
Fig. 1: Fig. 2: Fig. 3:

6.3.2 Standard G1/4" internal thread version (DS-1** / DS-5** series)

The installation spanner (A/F 24) should also only be applied to the threaded flange when
installing the DS-5** series (see Fig. 4). The installation spanner (A/F 30) should be applied
directly on the housing when installing the DS-1** series. Fixing options are provided by two
Ø5.3mm through-holes (see Fig. 5).
Threaded flange A/F24
Ø5.3mm
Fig. 4: Fig. 5:

6.3.3 Flange version

Fix the pressure switch to the flange provided using two or four screws. Two screws are sufficient
in the case of low pressure ranges and normal operating conditions. Ensure that the o-ring is not
missing or damaged during installation.
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BA-KDS/GB/2010-REV1