Bardiani BYAW3, Instruction, Use And Maintenance Manual, Page: 10 / 116

10 EN-IST-BZAW3-0123
3 Technical data
3 Technical data
VALVE DATA
Maximum pressure 10 bar
Maximum seal pressure See catalogue
Storage temperature from -10°C to 25°C
Material in contact with the product AISI 316L (1.4404). Check the resistance to corrosion in relation to
products and detergents
Gasket material in contact with the product EPDM, FKM, HNBR and other gaskets on request. Check compatibility
with products and detergents
Surface finish in contact with the product Ra 0.8 µm. Other finishes available on request
VAPOUR BARRIER DATA
Connectors 1/8” BSP
Steam maximum temperature 130°C (266°F)
Gaskets material FKM
PNEUMATIC ACTUATOR DATA
Connectors 1/8” BSP
Pipe dimensions 6 mm external diameter, 4 mm internal diameter
Air pressure from 6 bar (87 psi) to 8 bar (116 psi)
Air quality Class 2, 4, 3 ISO8573-1
External material AISI 304L (1.4307)
Seals NBR
Noise levels 76 dB
Electrical supply See Giotto Top
GASKET MATERIALS COMPATIBILITY
Product EPDM FKM HNBR
Temperature (applications with air) from -10°C to +140°C from -10°C to +200°C from -10°C to +130°C
Caustic soda 2% 60°C 30°C To be checked
Nitric Acid 2% 60°C 80°C To be checked
Saturated steam 125°C Suitable To be checked Suitable
Greases Unsuitable Suitable Suitable
Alcohols Suitable Unsuitable Suitable
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.
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.