Double-flanged butterfly valves feature flanges on both sides of the valve body that align with the pipe flanges. They are secured with two sets of bolts and nuts on each side, ensuring a robust connection. This design is commonly used for larger-sized butterfly valves, offering enhanced stability and support.
Features of this type of butterfly valve is as following:
-construction: Reinforced body, multiple lugs
– Installation: bolted via luges
– sealing: single, double seats
– pressure rating: vacuum to 16 bars
– Temperature range: -20 to 90°c
– Applications: Industrial pipeline
– Advantages: Flexible installation
– Disadvantages: Heavier, costlier