Butterfly valves are quarter turn valves ideal for on/off operations as well as modulating flow. This valve is rated for 10 bar non-hazardous fluids and is operated by a squeeze lever. Please note that the maximum pressure may deviate based on the medium type so carefully check the datasheet. The nominal diameter is 200 mm (8 inch) and is lug flange mounted to your system. The Cast iron (GGG40) housing makes it suitable for higher pressure and temperatures then the standard GG25. The GGG40 polyamide coated disc is the standard option . The NBR seal allows for a temperature range of 5°C - 85°C.Pros- The hand operation allows for easy operation and understanding.- Relative low torque to switch position compared to ball valves.- High Kv-value because fluid can flow in straight line.- It has a small construction length in relation to the 200 mm (8 inch) diameter compared to a similar size ball valve.- It can be used for a wide array of fluids and gases.- Suitable for viscous media.- Remove the squeeze lever to mount an actuator thanks to the ISO 5211 flange.Cons- It doesn't have a fully unobstructed flow path due to the disc compared to ball valves.- Can only be mounted with lug type flange.BFL seriesThe BFL series butterfly valves are a great cost effective solution for on/off operations as well as modulating the flow. Manually operated by either a squeeze lever with a locking detent or hand gear wheel, they are easily used. Suitable for pressures from 4-16 bar depending on the diameter size (25-300mm), media, and material combination. Remove the squeeze lever or handwheel to create an ISO 5211 flange (size F05 to F12). It has a small constructive length relative to the diameter and can be installed by a lug type flange or wafer type flange. There is also a wide range of housing, disc, and seal material options allowing these butterfly valves. They
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