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Butterfly valve
series BSV
The butterfly valves of the series BSV are DVGW ap-
proved to the Norm EN 161 with
fication number.
They are suitable to be used on residential and in-
dustrial 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.
TECHNICAL FEATURES
Body and flanges
Stem
Butterfly disc
Threaded flanges
Max. pressure
Temperature
Temperature on request
Control ratio
Valves flow
FEATURES
• Sturdy, compact construction, especially suitable for industrial applications
• Installation in any position
• Mechanical position indicator
• Lockable rotation angle from 0° to 90°
• Low leakage at valve in closed position 1% of max. kv
• Wide range of accessories on request:
•
manual control lever
•
1 o 2 internal reductions with respect to the nominal diameter of the valve
•
butterfly disc AISI 304 for air temperature up to 200 °C
product identi-
Aluminium
Stainless steel AISI 303
Aluminium or AISI 304
From Rp 3/4 to Rp 2 according to norms EN 10226
500 mbar
-10 ÷ +60°C for gas -10 ÷ +80°C for air
-10 ÷ +110°C or +200°C for air
10:1
Bidirectional
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Related Manuals for Econex BSV Series
Summary of Contents for Econex BSV Series
- Page 1 Butterfly valve series BSV The butterfly valves of the series BSV are DVGW ap- proved to the Norm EN 161 with product identi- fication number. They are suitable to be used on residential and in- dustrial 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.
- Page 2 FLOW CHART Molle di taratura pressione (m3/h) Aria dv=1 Metano dv=0,64 Methane Gas di città dv=0,45 Town gas Propano dv=1,56 Propane Butano dv=2,09 Butane G.P.L. dv=1,70 L.G.P. MODELS MODEL Connection Orifice diameter (mm) Manual control Free sharft BSV20.A BSV20.B BSV25/20.A BSV25/20.B BSV25.A BSV/25.B...
- Page 3 DIMENSIONS Dimensions in mm Weight Kg Rp 3/4 98,5 42,4 Rp 1 98,5 42,4 Rp 1.1/4 128,5 70,7 Rp 1.1/2 128,5 70,7 Rp 2 128,5 70,7...
- Page 4 When installing the valve be sure that there is sufficient clearance above the gear cover and that it can be easily accessible in order to perform manual servicing, automatic servicing by means of a gear motor or servicing by means of levers. For the valves of the BSV series proceed as follows: remove the protection plugs from the threaded flanges, screw the threaded flanges to the inlet and outlet pipes, using exclusively sealing materials suitable for gases, insert the BSV valve between the two flanges with “O”...