WIKA PG28 Manuale utente
DE
EN
Operating instructions
Betriebsanleitung
Bourdon tube pressure gauge, Hastelloy, model PG28
Rohrfedermanometer, Hastelloy, Typ PG28
Model PG28
DE
EN
14401362.01 06/2020 EN/DE
WIKA operating instructions, pressure gauge model PG 28
2
© 06/2020 WIKA Alexander Wiegand SE & Co. KG
All rights reserved. / Alle Rechte vorbehalten.
WIKA® is a registered trademark in various countries.
WIKA® ist eine geschützte Marke in verschiedenen Ländern.
Prior to starting any work, read the operating instructions!
Keep for later use!
Vor Beginn aller Arbeiten Betriebsanleitung lesen!
Zum späteren Gebrauch aufbewahren!
Operating instructions, model PG28 Page 3 - 24
Betriebsanleitung, Typ PG28 Seite 25 - 46
EN
WIKA operating instructions pressure gauge, model PG28 3
14401362.01 06/2020 EN/DE
1. General information 4
2. Design and function 5
3. Safety 6
4. Transport, packaging and storage 13
5. Commissioning, operation 13
6. Faults 18
7. Maintenance and cleaning 20
8. Dismounting, return and disposal 22
9. Specications 23
Annex: Declaration of conformity 47
Contents
Contents
Declarations of conformity can be found online at www.wika.com.
EN
WIKA operating instructions pressure gauge, model PG284
14401362.01 06/2020 EN/DE
1. General information
The instrument described in the operating instructions has been
designed and manufactured using state-of-the-art technology. All
components are subject to stringent quality and environmental
criteria during production. Our management systems are certied to
ISO 9001 and ISO 14001.
These operating instructions contain important information on
handling the instrument. Working safely requires that all safety
instructions and work instructions are observed.
Observe the relevant local accident prevention regulations and
general safety regulations for the instrument's range of use.
The operating instructions are part of the product and must be kept
in the immediate vicinity of the instrument and readily accessible to
skilled personnel at any time. Pass the operating instructions on to the
next operator or owner of the instrument.
Skilled personnel must have carefully read and understood the
operating instructions prior to beginning any work.
The general terms and conditions contained in the sales
documentation shall apply.
Subject to technical modications.
Scope and further information:
Data sheet, model PG28: PM 02.32
Technical information: IN 00.05
Internet address: www.wika.de / www.wika.com
1. General information
EN
WIKA operating instructions pressure gauge, model PG28 5
14401362.01 06/2020 EN/DE
2. Design and function
2.1 Overview
Vent valve
Window
Pressure element: Bourdon tube
Dial with scale
Case: Safety version “S3” in
accordance with EN 837
Process connection
Pointer
2.2 Description
All wetted parts (process connection and pressure element) of the
model PG28 pressure gauge described below are manufactured from
Hastelloy C276 (2.4819).The nominal size (NS) of 100 mm or 160 mm
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 bae 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.
2. Design and function
EN
WIKA operating instructions pressure gauge, model PG286
14401362.01 06/2020 EN/DE
3. Safety
3.1 Explanation of symbols
WARNING!
... indicates a potentially dangerous situation that can result in
serious injury or death, if not avoided.
CAUTION!
... indicates a potentially dangerous situation that can result
in light injuries or damage to property or the environment, if
not avoided.
Information
... points out useful tips, recommendations and information
for ecient and trouble-free operation.
3.2 Intended use
The pressure gauge models described here are suitable:
For pressure measurement in indoor and outdoor areas
For gaseous and liquid aggressive media that are not highly viscous
or crystallising, also in aggressive environments
For high dynamic pressure loads and vibrations (only with case liquid
lling)
For applications in the oil and gas industry, chemical and petrochem-
ical industries
Classication per European pressure equipment directive
Instrument type: Pressure accessory without safety function
Media: Liquid or gaseous, group 1 (dangerous)
Maximum permissible pressure PS, see chapter 3.6 “Labelling /
safety marks”
Volume of wetted parts: < 0.1 L
3. Safety
EN
WIKA operating instructions pressure gauge, model PG28 7
14401362.01 06/2020 EN/DE
The instrument must only be used with media which are not harmful
to the wetted parts over the entire operating range of the instrument.
Any change in the state of the matter or any decomposition of unstable
media is not permitted.
Only use the instrument in applications that lie within its technical
performance limits (e.g. max. ambient temperature, material
compatibility, ...).
→ For performance limits see chapter 9 “Specications”.
In order to achieve an optimal service life of the instrument,
it is recommended to load the instrument between 1/3 x PS
and 2/3 x PS. See Technical information IN 00.05.
This instrument is not permitted to be used in hazardous areas!
The instrument has been designed and built solely for the intended use
described here, and may only be used accordingly.
The technical specications contained in these operating instructions
and the limit values in accordance with EN 837-1 must be observed.
Improper handling or operation of the instrument outside of its technical
specications and the limit values in accordance with EN 837-1 requires
the instrument to be taken out of service immediately and inspected by
an authorised WIKA service engineer.
With instruments which do not correspond to the safety version “S3”,
highly pressurised media might leak out through the possibly bursting
window in case of a component failure.
The manufacturer shall not be liable for claims of any type based on
operation contrary to the intended use.
3. Safety
EN
WIKA operating instructions pressure gauge, model PG288
14401362.01 06/2020 EN/DE
3. Safety
3.3 Improper use
WARNING!
Injuries through improper use
Improper use of the instrument can lead to hazardous situa-
tions and injuries.
▶
Refrain from unauthorised modications to the instrument.
▶
Do not use the instrument within hazardous areas.
▶
The instrument should not be used for abrasive, corrosive
and highly viscous media.
Any use beyond or dierent to the intended use is considered as improp-
er use.
The instrument must not be used as part of a safety or emergency stop
device (safety accessory).
3.4 Responsibility of the operator
The instrument is used in the industrial sector. The operator is therefore
responsible for legal obligations regarding safety at work.
The safety instructions within these operating instructions, as well as the
safety, accident prevention and environmental protection regulations for
the application area must be maintained.
The instrument must only be used with media which are not harmful to
the wetted parts over the entire operating range of the instrument.
The operator is obliged to maintain the product label in a legible
condition.
EN
WIKA operating instructions pressure gauge, model PG28 9
14401362.01 06/2020 EN/DE
To ensure safe working on the instrument, the operating company must
ensure
that suitable rst-aid equipment is available and aid is provided
whenever required.
that the operating personnel are regularly instructed in all topics
regarding work safety, rst aid and environmental protection and
know the operating instructions and, in particular, the safety instruc-
tions contained therein.
that the instrument is suitable for the particular application in accord-
ance with its intended use.
On the wetted parts of the instrument, small residual amounts
of the adjustment medium (e.g. compressed air, water, oil)
can adhere from production.With increased requirements for
technical cleanliness, suitability for the application must be
checked by the operator before commissioning.
Liquid media with the property of changing the volume during
solidication can damage the measuring system (e.g. water if
it falls below the freezing point).
3.5 Personnel qualication
WARNING!
Risk of injury should qualication be insucient
Improper handling can result in considerable injury and
damage to property.
▶
The activities described in these operating instructions
may only be carried out by skilled personnel who have the
qualications described below.
3. Safety
EN
WIKA operating instructions pressure gauge, model PG2810
14401362.01 06/2020 EN/DE
3. Safety
Skilled personnel
Skilled personnel, authorised by the operator, are understood to be
personnel who, based on their technical training, knowledge of measure-
ment and control technology and on their experience and knowledge
of country-specic regulations, current standards and directives, are
capable of carrying out the work described and independently recognis-
ing potential hazards.
Personal protective equipment
The personal protective equipment is designed to protect the skilled
personnel from hazards that could impair their safety or health during
work.When carrying out the various tasks on and with the instrument,
the skilled personnel must wear personal protective equipment.
Follow the instructions displayed in the work area regarding
personal protective equipment!
The requisite personal protective equipment must be provided by the
operating company.
Indice
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