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Piping Materials Butterfly ValvesBUTTERFLY VALVE TYPE 57[1 1/2-14inch](40-350mm)


Excellent Sealing Performance
Sealing performance has been improved due to its specially designed seat "PAT pending".
Lowered Operating Torque
Required operating torque has been reduced by applying specially designed seat.
Protection for Over Tightening of Mating Flange
The valve body acts as a protector against over tightening to avoid breakage or deformation of the seat.
Spherical Design Disc
Spherical design disc provides superior durability and improved Cv value.
Stem Retainer
Stem retainer allows field automation or accessories preventing the stem from being removed.
Newly Developed Plastic Gear Box
Corrosion resistant plastic gear box provides a broader range of applications.

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