Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . surcharge
Butterfly valves BVG, BVGF, BVA, BVAF
Type code
BVG Butterfly valve for gas
BVA Butterfly valve for air
F Clearance-free
40-150 Nominal size
/25-/125 Reduced to nominal size
Z For fitting between two EN flanges
05 pu max. 500 mbar, ?p max. 150 mbar
H With manual adjustment
F With free shaft end
V With square shaft
Technical
Information BVG,
BVGF, BVA, BVAF,
BVH, BVHS,
BVHM
3 Valves and butterfly valves
2-52
 
Butterfly valves for gas BVG, BVGF
BVG
1
2
5
10
20
50
100
150
20 50 100 200 500 1000 2000 6000 20000
DN 40/25
DN 50/32
DN 65/40
DN 80/50
DN 100/65
DN 125/80
DN 150/100
DN 40/32
DN 50/40
DN 65/50
DN 80/65
DN 100/80
DN 125/100
DN 150/125
DN 40
DN 50
DN 65
DN 80
DN 100
DN 125
DN 150
p [mbar]
Qn [m3/h]
Natural gas
Butterfly valves for continuous control of a gas flow rate in a ratio of 10:1, medium temperature -20 to +60°C, for mounting directly onto the actuators IC 20 or IC 40 using a
fastening set (cf. Accessories), EU certified,
BVGF also with spring for clearance-free adjustment, suitable for biogas.
Designation Order no.
BVG
With full bore = nominal size
BVG 40Z05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88300120
BVG 50Z05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88300121
BVG 65Z05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88300122
BVG 80Z05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88300123
BVG 100Z05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88300124
BVG 125Z05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88300125
BVG 150Z05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88300126
With 1 x reduced bore