Telescopic butterfly valve set juice length can be based on user needs extension, its maximum length and the minimum length with required no meter length of the change of the equivalent change.
Applicable medium: water,oil,steam,seawater, acid and alkali solutions , organic solvents
Material:
body: gray cast iron
wedge: gray cast iron
stem: stainless steel
seal: NBR
packing:expanded graphite, V-shaped combination sealing ring
