NEOTECHA NA BALL VALVES
INSTALLATION AND MAINTENANCE INSTRUCTIONS
Before installation these instructions must be fully read and understood
2 SAFETY
Please also read through these notes carefully.
2.1 General potential danger due to
a. failure to observe the instructions
b. improper use
c. insufficiently qualified personnel
2.2 Correct use
2.2.1 Area of application
Ball valves are bubble-tight shut-off industrial
valves that can be used for the isolation,
throttling and regulation of corrosive gases,
liquids, pastes and powdery products in
1 GENERAL INFORMATION ON THE
INSTALLATION AND MAINTENANCE
INSTRUCTIONS
These instructions contain information on
how the valve should be safely installed and
operated in the prescribed manner. If any
problems are encountered during installation
or operation which cannot be resolved with
the aid of the installation and maintenance
instructions, please contact the supplier or
manufacturer for more information.
These installation and maintenance
instructions comply with the applicable EN
safety standards.
When installing the fitting, the operator or
the person responsible for the design of
the installation must ensure that applicable
national regulations are complied with.
The manufacturer reserves all rights to make
technical changes and improvements at any
time.
The use of these installation and maintenance
instructions assumes that the user is qualified
to ‘Qualified Personnel’ level. Operating staff
must be given appropriate training in the
operating and maintenance instructions.
pipelines, vessels, apparatus etc.
The area of use of the valve is the responsibility
of the system designer. Special characteristics
of the valve must be taken into account.
The surfaces of the of the body parts, together
with the ball cores that are in contact with the
medium are coated with PFA. Ball seats and
control orifice plates are available in various
material types and can be used to suit the
medium.
2.2.2 Performance data
Nominal diameter
range: DIN-PN 16
DN 25/40/50
Pressure range: 16 bar (0.1 mbar vacuum)
Test pressure =
1.5 x PN = 24 bar
Temperature range: (-60°) -40° to200°C
© 2017 Emerson. All Rights Reserved.Emerson.com/FinalControl VCIOM-01974-EN 17/04
NEOTECHA NA BALL VALVES
INSTALLATION AND MAINTENANCE INSTRUCTIONS
2.2.3 Pressure-temperature diagram for NA ball
valves
bar
Vacuum
0.1 mbar
2.2.4 Usage restrictions
DANGER
Before the valve is installed, a check should be
made on the extent to which the coating of the
surfaces is resistant to the intended medium.
The same applies to stainless steel valves with no
additional coating. Refer to appropriate literature
or consult the manufacturer or supplier for
advice.
2.2.5 Modification prohibition
DANGER
Mechanical modifications to the valves or the
use of other manufacturer’s parts for repair
purposes are not permissible, as otherwise safety
is no longer guaranteed. Repair work must only
be carried out by the manufacturer’s trained
personnel. The manufacturer and supplier will
accept no liability in the event of misuse.
2.2.6 Warning about foreseeable misuse
DANGER
Ball valves and their accessories (e.g. operating
elements) must not be misused as climbing aids.
2.2.7 Duty to comply with the instructions for
operation, maintenance and servicing
These instructions form part of the delivery
package and must be easily accessible to the
user. They should be protected from soiling
and kept in a suitable place.
3 SOURCES OF DANGER
3.1 External chemical effects
DANGER
The valve bodies are either made of aluminium
(anticorodal) or from stainless. The coating can
be attacked externally by strong solvents, leading
to corrosion of the body. If damage of this nature
appears, the effects on the environment should be
investigated and the damage to the coating made
good in accordance with the manufacturers' data.
Stainless valve bodies are not suitable for use
with chlorine gas.
3.2 Mechanical
DANGER
When using hand levers and handwheels,
it should be ensured that there is sufficient
clearance everywhere for the operator’s hands,
so that there is no risk of trapping.
3.3 Electrical
DANGER
If there is an explosion hazard due to static
charge, the valve must be earthed by means of the
appropriate earthing accessory. As an alternative,
valves with electrically conductive linings are
available. For more information, please contact
the supplier or manufacturer.
3.4 Thermal
DANGER
The operating temperature of the valve can range
from -60° up to a maximum of 200°C. Suitable
precautions should be taken to protect against
burns due to high or freezing temperatures. In
particular, insulated gloves should be worn when
using the hand lever, for example. In case of fire,
the mechanical strength of the PTFE seals is no
longer guaranteed above 200°C.
3.5 Requirements for the operator
This means people who are familiar with the
erection, installation, commissioning, operation
and maintenance of the product and have
appropriate qualifications relating to their
activities and functions, such as e.g.:
- instruction in and duty to comply with all
installation-related, regional and internal
works regulations and requirements
- training or instruction in accordance with the
Safety Standards for personal care and use of
appropriate safety equipment and protective
workgear, like, for example, personal
protection equipment (insulated gloves or
similar), suitable for the operating conditions.
Furthermore, these people must have read and
understood these instructions.
3.6 Transport/storage
The valve is delivered with protective covers,
which should protect the PFA coating against
soiling and mechanical effects. For this reason,
the protective covers should only be removed
immediately prior to installation.
3.7 Transport and storage conditions
- transport and storage temperature -20° to
+65°C
- protect against external force(impact, shock,
vibration)
- do not damage the finish
- a drying agent or heating is required in damp
storage areas to protect against condensation
- store the ball valve in a slightly open position
3.8 Handling prior to installation
- on versions with protective covers, only
remove these immediately prior to
installation!
- protect against the effects of weather, such
as dampness (or else use a drying agent)
- proper treatment prevents damage
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