Instruction, Use and Maintenance Manual
EN-IST-BBZK-0418
3 Technical data
VALVE DATA
Maximum pressure 10 bar
Maximum seal pressure See catalogue
Servo-control pressure range
3 - 15 psi (0.21 - 1.05 bar)
6 - 18 psi (0.42 - 1.25 bar)
6 - 30 psi (0.42 - 2.07 bar)
9 - 32 psi (0.62 - 2.21 bar)
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, P.T.F.E. 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
Pneumatic actuator stroke 15 - 20 mm
VAPOUR BARRIER DATA
Connectors 1/8” BSP
Steam maximum temperature 130°C
Gaskets FKM
GASKET MATERIALS COMPATIBILITY
Product EPDM FKM HNBR MVQ
Temperature (applications with air) -10 to
+140°C
-10 to +200°C -10 to +130°C -70 to +230°C
Caustic soda 2% 60°C 30°C To be checked Unsuitable
Nitric Acid 2% 60°C 80°C To be checked Unsuitable
Saturated steam 125°C Suitable To be
checked
Suitable Unsuitable
Greases Unsuitable Suitable Suitable Unsuitable
Alcohols Suitable Unsuitable Suitable Suitable
The valve is complies with PED 2014/68/EU directive, with special reference to Annex III, Form A,
concerning internal manufacturing checks as indicated in the Conformity Assessment Procedures.
The DN15--25 valves are included in compliance with Article 4, paragraph 3:
Valves designed for use with gas, liquid gas, gases dissolved under pressure, steam and those liquids
with a vapour pressure at maximum admissible temperature exceeding 0.5 bar at normal atmospheric
pressure (1.013 mbar) within the following limits:
-For group 1 fluids when DN is from 25 to 100.
-For group 2 fluids when DN is 125 and over.
In the event of any doubt, please contact Bardiani Valvole S.p.A.
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