Technical Data - Bardiani Valvole BBZM Instruction, Use And Maintenance Manual

3

Technical data

3 Technical data
Maximum pressure
Storage temperature
Material in contact with the product
Gasket material in contact with the
product
Surface finish 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, liquefied 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 fluids;
- valves with DN125 or bigger with group 2 fluids.
In the event of any doubt, please contact Bardiani Valvole S.p.A.
EN-IST-BBZM-0420
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 finishes 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
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