MODELS
Molle di taratura pressione
DN
Connection
Rp
Orifice diameter
(mm)
MODEL
Manual control
Free sharft
20
3/4
20
BSV20.A
BSV20.B
25
1
20
25
BSV25/20.A
BSV25.A
BSV25/20.B
BSV/25.B
32
1.1/4
20
25
32
BSV32/20.A
BSV32/25.A
BSV32.A
BSV32/20.B
BSV32/25.B
BSV32.B
40
1.1/2
25
32
40
BSV40/25.A
BSV40/32.A
BSV40.A
BSV40/25.B
BSV40/32.B
BSV40.B
50
2
32
40
50
BSV50/32.A
BSV50/40.A
BSV50.A
BSV50/32.B
BSV50/40.B
BSV50.B
NOTE
For max. temperature of 110 °C add “1” to letters “A” or “B”
For max. temperature of 200 °C add “2” to letters “A” or “B”
FLOW CHART
p (mbar
)
V
N
(m3/h)
Aria
Metano
Gas di città
Propano
Butano
G.P.L.
dv=1
dv=0,64
dv=0,45
dv=1,56
dv=2,09
dv=1,70
Air
Methane
Town gas
Propane
Butane
L.G.P.