The third

type of valve is called
Triple Eccentric Butterfly Valves that are also known as Triple Offset
Butterfly Valves and in this

kind of valve the seats consists of metal
or are laminated. The butterfly valves feature different kinds of
mounting methods

such as wafer-style butterfly valves and lug-style
butterfly valve. In the first instance, the butterfly is designed in a
manner that it maintains a seal against the bi-directional pressure to
avoid backflow. In the second instance the valves contain

threaded
inserts at both the sides of the valve body.
Materials and features of Butterfly Valve
The kind of materials used

in creating butterfly valves are extremely
important because that would determine the kind of performance it would
deliver.

Therefore butterfly valve manufacturers in India such as GM
Engineering take special care to ensure the right kinds of materials

are
used to create these valves. GM Engineering uses C.I. WCB, CF8 and CF8M
ETC materials to develop the body of the butterfly

valve. The body
liner is made from Nitrile, EPDM, VITON and PTFE and the disc contains
13% cr., ss 304, ss 316.
Application of Butterfly Valve
Butterfly valve is used quite extensively in various different
fields. Butterfly valves are

extensively used in most gas, air, steam
and liquid applications.

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