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Actuated Butterfly Valve parts
Cryogenic Butterfly Valve
Parri Cryogenic butterfly Valve uses high quality alloy material and effective treatment, satisfies stable
performance in the cryogenic conditions.It is usually used to control cryogenic fluid processes in LNG, air
separation and other industries.
Size: 4”-24”, DN100-DN600
Pressure range: Class 150lb-600lb , PN1.6MPa-PN10.0MPa
Temperature: -196℃~+538℃
Connection: Wafer, BW, Flanged,Lug
Body type: straight through
Upper bonnet type: standard integrated
Stem Seal type: self-sealing stuffing box structure, flexible graphite packing structure
Standard leakage class: CLASS IV, CLASS V
Flow characteristic: Approximate equal percentage
Adjustable ratio: 30:1
Leakage standard: ANSI B16.104, API598
Actuator: Pneumatic piston, Electric, Electro hydraulic actuator
Treatment: degreasing treatment ,
sub-zero treatment

Parts Materials:
Parts NameMaterial
BodyASTM A351 CF8, CF3, CF8M, CF3M
DiscASTM A351 CF8, CF3,CF8M, CF3M
SeatASTM A182 F304, F316, F316L+RPTFE/Graphite
ASTM A182 F304, F316, F316L
StemASTM A276 F304, F316,F316L, Inconel 718, Nitronic 50
Seal ringASTM A182 F304, F316,F316L, Inconel 718, Nitronic 50

Parri provides you a full range of actuated valves, actuators and their accessories, If you have any inquiry or question about them please contact us at Butterfly Valve parts

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