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CONTROTEK Butterfly Valves are designed for longer life and trouble free performance. While integrally molded sleeve ensures perfect resistance against friction between the disc and the sleeve, replaceable Sleeve ensures replacement of it during maintenance and re-use of the Body.

Salient Features of Butterfly Valve

  • Flat surface on Top & Bottom of the disc and the engaging area on the liner ensure perfect sealing between body, disc and stem/shaft
  • Body liner is extended deep into the top and bottom of disc shaft passages with integral ’O’ rings ensure no working media establish contact with the body material thus ensures longer life for body.
  • Valve disc is designed to ensure smooth straight through flow, which reduces pressure drop across the Valve.
Duplex Stainless Steel Butterfly Valve

Technical Specification of Butterfly Valve

Size     50NB through 900NB
Pressure PN6, PN10, PN16 and PN25
Mfg Std. AWWA C 504/BS 5155/API 609
INSPECTION API 598/BS 6755 Part I
NDT    Customer Requirement
CERTIFICATION Third Party/Customer/Our QC
Types Centric, Single Offset, Double Offset, Treble Offset
Ends Wafer, Lugged, Flanged
Operation Lever, Manual Gear, Pneumatic, Electric
MOC IRON, CARBON & CARBON ALLOY STEEL:
Nodular Iron, Carbon Steel, Low Temperature Steel, High Temperature Carbon-Alloy Steel etc. [Refer MOC Chart]

STAINLESS, DUPLEX AND NICKEL ALLOY STEEL:
Duplex and Super Duplex  Steel of all Grades, Austenetic Stainless Steel of all Grades, Hastelloy and other High Nickel Alloys. [Refer MOC Chart]
Seat All types of Rubber Lining, PTFE, Viton, Metal to Metal Refer MOC Chart
Super Duplex Stainless Steel Butterfly Valve 72 Inch Butterfly Valve [Fabricated]