Wika 233.50 User Manual
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WIKA Alexander Wiegand SE & Co. KG
Alexander-Wiegand-Straße 30
63911 Klingenberg • Germany
Tel. (+49) 9372/132-0
Fax (+49) 9372/132-406
E-Mail [email protected]
www.wika.de
2094366.05 01/2011 GB/D
Installation with
spanner
Contents
1. Safety
2. Description
3. Specifications and intended use
4. Commissioning
5. Maintenance and cleaning
Appendix 1: Declaration of conformity
for models 23x.50/53.063 and 23x.30.063
Operating
instructions
1. Safety
WARNING!
Before installation, commissioning and operation, ensure that the appropriate
pressure gauge has been selected in terms of measuring range, design and
specific measuring conditions.
The compatibility of the materials under pressure with the medium must be checked!
In order to guarantee the measuring accuracy and long-term stability specified, the
corresponding load limits must be observed.
Serious injuries and/or damage can occur should these not be observed.
Only qualified persons authorised by the plant manager are permitted to install,
maintain and service the pressure gauges.
2. Description
Nominal size 63 mm
The gauges measure the pressure by means of resilient bourdon tube pressure
elements
The measuring characteristics are in accordance with EN 837-1 standard
In addition, the enclosing and the pressurised components of models 23x.30 also meet
the requirements of this standard, relating to safety pressure gauges with a solid baffle
wall (code S3).
3. Specifications and intended use
Pressure limitation
Model 23x.50/53: Model 23x.30:
Steady: 3/4 × full scale value Steady: full scale value
Fluctuating: 2/3 × full scale value Fluctuating: 0.9 × full scale value
Short time: full scale value Short time: 1.1 × full scale value
Mechanical connection
In accordance with the general technical regulations for pressure gauges (i.e. EN 837-2
"Selection and installation recommendations for pressure gauges").
When screwing gauges in, the force
required for this must not be applied
through the case, but rather through the
spanner flats (using a suitable tool) provi-
ded for this purpose on the square shaft of
standard connections.
Pressure gauge model 2 NS 63
per directive 94/9/EC (ATEX)
GB
II 2 GD c TX
Declarations of conformity see www.wika.de.
Specifications: see data sheet on www.wika.de
Subject to technical modifications.
© 2010 WIKA Alexander Wiegand SE & Co. KG
Summary of Contents
Page 1 - Pressure gauge model 2 NS 63
WIKA Alexander Wiegand SE & Co. KGAlexander-Wiegand-Straße 3063911 Klingenberg • GermanyTel. (+49) 9372/132-0Fax (+49) 9372/132-406E-Mail info@
Page 2
Correct sealing of pressure gauge connections with parallel threads must be made using suitable sealing rings, sealing washers or WIKA profile seals
Page 3 - 5. Maintenance and cleaning
Permissible vibration load at the installation site The instruments should always be installed in locations free from vibration. If necessary, it
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