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2. Design and function
2. Design and function
2.1 Overview
EN
Example: Model 332.30.160
2.2 Description
With the model 3 test gauge described below, the wetted parts
(process connection and pressure element) are made of stainless steel,
copper alloy or Ni-Fe alloy. The nominal size (NS) of 160 mm [6"] or
250 mm [10"] stated is a rounded value referred to the case diameter.
Case designs in accordance with EN 837
Version "S1", not shown here, is equipped with a blow-out device in
the case back.
Safety version "S3", shown above, is equipped with a solid baffle
wall between the measuring system and the dial and with a blow-out
back. In the event of a failure, the operator is protected at the front
side, as media or components can only be ejected via the back of
the case.
2.3 Scope of delivery
Cross-check scope of delivery with delivery note.
6
Vent valve
Window
Pressure element: Bourdon tube
Pointer
Case: Safety version "S3" in
accordance with EN 837
Dial with scale
Process connection
WIKA operating instructions, test gauge model 3
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