3 Valves and butterfly valves
BVA
2-54
 
Designation Order no.
With 1 x reduced bore
BVAF 40/32Z05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88300029
BVAF 50/40Z05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88300030
BVAF 65/50Z05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88300031
BVAF 80/65Z05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88300032
BVAF 100/80Z05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88300033
BVAF 125/100Z05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88300034
BVAF 150/125Z05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88300035
With 2 x reduced bore
BVAF 40/25Z05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88300036
BVAF 50/32Z05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88300037
BVAF 65/40Z05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88300038
BVAF 80/50Z05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88300039
BVAF 100/65Z05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88300040
BVAF 125/80Z05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88300041
BVAF 150/100Z05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88300042
Versions
Butterfly valves with square shaft . . . . . . . . . . . . . . . . . . . . . . . . . . surcharge
Butterfly valves with free shaft end . . . . . . . . . . . . . . . . . . . . . . . . . surcharge
Butterfly valves with manual adjustment . . . . . . . . . . . . . . . . . . . . . surcharge
3 Valves and butterfly valves
2-55
Butterfly valves for air and flue gas BVH, BVHS, BVHR
BVH, BVHR, BVHS, BVHM
1
2
5
10
20
50
100
150
2010 50 100 200 500 1000 2000 5000 20000
DN 40
DN 50
DN 65
DN 80
DN 100
p [mbar]
Qn [m3/h]
Air
Type code
BVH Butterfly valve for air and flue gas
BVHS Like BVH, but with additional safety closing function
BVHR Like BVH, for medium temperatures of up to 550°C
40–100 Nominal size
Z For fitting between two EN flanges
01 pu max. 150 mbar
A With stop
Butterfly valves for continuous or staged control of an air or flue gas flow rate in a ratio of
10:1; in conjunction with the stop bar, the TWINDISC valve disc ensures very low leakage rates; for mounting directly onto the actuators IC 20 or IC 40 using a fastening set
(cf. Accessories), medium temperature -20 to +450°C, BVHR up to 550°C; heat deflectors must be used for medium temperatures of 250°C and higher.
Designation Order no.
For mounting directly onto the actuators IC 20 or IC 40