- Butterfly Valves: BVA
- Size: 4"
The butterfly valves are designed to adjust volumes of gas, cold and hot air and flue gas on gas and air appliances and flue gas lines. They are designed for control ratios up to 10:1, and with the mounted actuator they are suitable for regulating flow rates for modulating-controlled or stage-controlled combustion processes.
Adapters and Fasteners
If the BV is to be installed without an actuator or with an actuator other than an IC, the following attachment sets can be used:
- Adapter set with square shaft - KS74921674
- Adapter set with free shaft end - KS74921676
- Adapter set with manual adjustment - KS74921678
If the BV is to be fastened to an IC 20/IC 40, use KS74921082