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Butterfly Valve

Overview

“Nilon” Series Butterfly Valve are the best used in the industry, the range varies from wafer type lift & swing type non return valve Nilon swing check valves are provided with properly guided swing disc through a hinge. The hinge and swivel disc are connected maintaining sufficient flexibility for smooth and efficient sealing. “Nilon” Series non return valve are available with metal-to-metal sealing for high temperature and pressure; soft sealing for pneumatic and vacuum applications. Designed to ensure full flow, efficient function and minimum pressure drop across the valve.

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TECHNICAL SPECIFICATION

Manufacturing Standard BS 5155 / API 609, AWWA C 504
Testing Standard BS 6755 / API 598
Pressure Class 150# to 1500#, PN10 to PN16
Material of Construction Cast
  • Cast Iron IS 210, Gr. FG 200/220/260, Cast Carbon Steel ASTM 216 Gr. WCB
  • Cast Steel ASTM 352, Gr. LCB & LCC
  • Cast Stainless Steel ASTMA 351 CF8/CF3/CF8M/CF3M
  • Alloy 20 ASTM A351 Gr CN7M
  • Forged Carbon Steel ASTM A 105
  • Duplex and Hastelloy
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    Design Type Slim seal, Wafer Type, Double flanged Type
    Size Range 1.1⁄2” Through 48”
    End Connection Wafer Type/ Flanged End
    Engineering Options Lever operated, Gear operated, Pneumatic/ Electrical Actuator operated