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3
Technical data
3 Technical data
Maximum pressure
Storage temperature
Material in contact with the product
Gasket material in contact with the
product
Surface 昀椀nish in contact with the
product
Product
Temperature (applications with air)
Caustic soda 2%
Nitric Acid 2%
Saturated steam 125°C
Greases
Alcohols
The valve complies with PED 2014/68/EU directive, with special reference to
Annex III, Module A, concerning internal manufacturing checks as indicated in the
Conformity Assessment Procedures.
Valves with DN equal or smaller than DN25 are not included in compliance with Article 4, paragraph 3.
Valves designed for use with gases, lique昀椀ed gases, gases dissolved under pressure, vapours and also those liquids whose
vapour pressure at the maximum allowable temperature is greater than 0,5 bar above normal atmospheric pressure (1
013 mbar) are included within the following limits:
- valves with DN between DN32 and DN100 (included) with group 1 昀氀uids;
- valves with DN125 or bigger with group 2 昀氀uids.
The end user is asked to carry out the acoustic emission tests once the valve has been installed in the destination
plant.
In the event of any doubt, please contact Bardiani Valvole S.p.A.
10
VALVE DATA
PN10
from -10°C to 25°C
AISI 316L (1.4404). Check the resistance to corrosion in
relation to products and detergents
EPDM, FKM, HNBR, PTFE. and other gaskets on request.
Check compatibility with products and detergents
Ra 0.8 µm. Other 昀椀nishes available on request
GASKET MATERIALS COMPATIBILITY
EPDM
from -10°C
to +140°C
60°C
60°C
Suitable
Unsuitable
Suitable
FKM
HNBR
from -10°C to
from -10°C to
+200°C
+130°C
30°C
To be checked Unsuitable
80°C
To be checked Unsuitable
To be
Suitable
checked
Suitable
Suitable
Unsuitable
Suitable
MVQ
from -70°C to
+230°C
Unsuitable
Unsuitable
Suitable
EN-IST-BBZM-0123
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