- Length A – Length of butterfly valve body + stem endpoint.
- Length B – Length from centerline x-axis to valve end.
- Length C – thickness of the valve body.
- Length F – length of the key.
- Length H – diameter of stem.
- Length J – Hole size.
- K – thread size.
- L – number of holes.
How much does an 18 butterfly valve weight?
DN INCH Weight kg
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DN300 12” 30.7
DN350 14” 44.5
DN400 16” 62.0
DN450 18” 95
What makes a butterfly valve high performance?
High Performance Butterfly Valves use a disc offset from the seat center, hence the name Double Offset. In this configuration, the disc is eccentric, or offset, from the valve seat. ... This feature allows the use of offset butterfly valves in high‐pressure applications such as ethanol or HVAC.Nov 9, 2017