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Pneumatic Flange Cryogenic Butterfly Valve , DN80 - 1600 PN16 Butterfly Valve

ZSHWED Series Cryogenic Butterfly Valve, adopt special triple offset design, with characteristics of impact structure, good shut-off performance and long service life. And it has both regulating and shut-off functions. The size is DN80～1600mm(NPS3～64),Pressure is PN1.6~16.0MPa(Class150~900).                                  

Feature:

One-piece casted body with the feature of compact structure and lightweight； The triple offset valve advanced design features three-way eccentricity and unique elliptical seat geometry ensuring compressive sealing around the entire seat and a tight, bubble free valve. Sealing ring design is novel, concise, free repair； Stainless steel and graphite laminated seal ring provides reliable, zero leakage, bi-directional shutoff； Triple offset structure ensure non-rubbing rotation, minimizing torque required and maximizing seat/seal ring lifetime；

Specification                                                            Table1

DN	DN80~1600(NPS 3~64)
PN	PN1.6~16.0MPa(Class150~900)
Flow Characteristic	EQ%
Rated Angle(°)	60°,90°
Rangeability	30:1
Leakage Rate	IV,V,Ⅵ,No Leakage
Connection	Flange, Weld
Operation	Pneumatic, Manual