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  Air and gas butterfly valves

• Wafer butterfly valves BFV
• Thread butterfly valves BSV 
• Solenoid butterfly valves BFVS
• Motorized butterfly valves
• Tight butterfly valves VFW - VFL
 
 
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Batterfly Valve Series BFV
The butterfly valves of the series BFV are DVGW approved to the Norm EN 161 with CE product identification number. They are suitable to be used on residential and industrial combustion systems.

They are particularly suitable for both manual and automatic control of gases belonging to the first, second and third family and of air.

Installation between two flanges ISO 7005 – PN16.
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Butterfly valve series BSV
The butterfly valves of the series BSV are DVGW approved to the Norm EN 161 with CE product identification number.

They are suitable to be used on residential and industrial combustion systems. They are particularly suitable for both manual and automatic control of gases belonging to the first, second and third family and of air.

Installation with two threaded flanges from Rp 3/4 to Rp 2.
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Solenoid butterfly valve series BFVS
The magnetic butterfly valves of the series BFVS are suitable to be used for control of gases belonging to the first, second and third family [not aggressive] as well as of air. On request versions for biogas are also available.

These valves, normally closed for continuous and cyclic operation, open by powering the coil and close quickly when there is no tension.

Magnetic butterfly valve are manufactured in conformity to EN 161 and to ATEX rule 94/9/CE - Zone 2 and 22 (II 3G – II 3D).
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Motorized butterfly valves electronic
or pneumatic actuator
Motorized butterfly valves of the series BSV and BFV are used on combustion systems as control valves. They are used in industrial field for gas or air regulation on ovens, industrial boilers and any machine equipped with the different types of burners available on the market. Motorized butterfly valves of the series BSV and BFV are suitable for all gases belonging to the first, second and third family and for air. They are DVGW-approved according to the norm EN161 and to EMC electromagnetic compatibility with CE certification.

BSV type: installation with two threaded flanges EN 10226 from Rp 3/4 to Rp 2.

BFV Type: installation between two flanges ISO 7005 PN 10/16 from DN 25 to DN 250.
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Tight butterfly valve series VFW and VFL
Tight butterfly valves of series VFW and VFL are installed by various industrial plants, for both shut-off and regulation purposes of air and gas belonging to the first, second and third family.

This range of butterfly valves bring the advantage to have a limited dimensions and light weight, seat in NBR with internal metal ring guarantees further to the dimensional and geometrical stability, an easily replacement of the seat in case of accidental damage.

Model VFW is a wafer type of butterfly valve and model VFL is a lug type; both are equipped with a yellow lever and on request can be supplied with electric or pneumatic actuator.

Butterfly valves VFW and VFL have a declaration of conformity to norms EN 161.
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Econex S.r.l. • Via F. De Sanctis, 53 • 20141 Milan - Italy • PI-CF 07375510158
Tel. +39 02-89502912 • Fax. +39 02-8463084 • info@econex.it