Butterfly valve leverpneumaticelectric

A butterfly valve is a rotary valve (quarter turn valve) using a dise as the closure member. Butterfly valves can be either symmetric or eccentric (=offset), the latter referring to the stem being displaced from the center of the dise.
Disc:ASTM A536 65-45-12 Nylon coated, CF8, CF8M, 2507, 1.4462
Stem:SS420,SS431
Top flange: IS05211

Description
Double flanged butterfly valve features a bonded liner extending over the flanges. The double flange design is suitable for high pressure loading and for use in heavy industry, shipbuilding, severe vacuum applications and water treatment industry like potable water, water treatment and wastewater applications.

FEATURES
1 .IS05211 top flange together with stem heat suitable for direct mounting of actuators
2,Stem anti-blowout design keep safety in field use
3,Bonded seat protects the body and shaft out of contact with medium
4;No exposed pins or bolts for stem-to-disc connection
5;Single flange mounting is possible
6;Can be installed in any desired position
7,Bubble-tight shut off at full pressure rating
8,Large flow capacity and enough strength