Bardiani Valvole BBWK1, Инструкция по эксплуатации и обслуживанию

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3 Technical data
EN-IST-BBZK-0821
3 Technical data
VALVE DATA
Maximum pressure 10 bar
Storage temperature From -10°C to +25-C
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
Seals FKM
GASKET MATERIALS COMPATIBILITY
Product EPDM FKM HNBR MVQ
Temperature (applications with air) From -10 to
+140°C From -10 to
+200°C From -10 to
+130°C From -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 in conformity with PED 2014/68/EU, with special reference to Annex III,
Form A, concerning internal manufacturing checks as indicated in the Conformity
Assessment Procedures.
The valves with DN equal or lower than DN25 are not 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) are
included within the following limits:
- The valves with DN ranging from 32 to 100 (included) with Group 1 fluids;
- The valves with DN equal or higher than DN125 with Group 2 fluids.
The end user must carry out noise assessment testing once the
valve has been installed in the plant.
In the event of any doubt, please contact Bardiani Valvole S.p.A.