Virgo Engineers - Products

S-Series Floating Ball Valves

Construction / Design Single Piece, Two Piece, Three Piece, Regular & Full Port.
Pressure Rating ANSI 150 #, 300 #, 600#, 400# (PN 64), 800#
Size Range ½" to 12" Two Piece
½" to 2" Three Piece
½" to 4" Single Piece
Material of Construction
Standard - Carbon Steel (ASTM A 216 WCB) - Stainless Steel (ASTM A351 CF8/CF8M) Exotic materials like Monel, Hastalloy B, Hastalloy C, Alloy 20, Duplex St. steel and others are available on request.
End Connections
Flanged / Butt Weld for Single piece & Two piece valvesScrewed / Socket weld for Three piece valves
Unique Features of Virgo Floating Ball Valves
  • Double Gasket Body Sealing ensures Positive Body-Joint Sealing against Pipeline Stresses.
  • Multi-Sealed Stem with O-Rings enhances Stem Sealing Capabilities to atmosphere.
  • All Flanged Valves have ISO-5211 Top flange which permits on site Actuator mounting and use of Standard mounting hardware.
  • Blow-out-proof Stem.
  • Fire Safe & Anti-static Designs are Standard. Fire Safety as per API 607 Edition IV / BS 6755 Part II / API 6FA and Certified by Lloyds Register.
  • High Spherocity and Surface Finish of Ball ensures Positive Shut-off and Low operating Torque.
  • Specially Designed Seat Ring in a variety of materials to suit specific applications.
  • Raw Material and Component traceability under DIN 50049.3.1.B Material Certification.
Standards of Compliance
  • BS 5351 / ANSI B 16.34 / API 6D: Manufacturing Standard
  • ANSI B 16.10 / API 6D: Face to Face / End to End Dimensions for Flanged Valves
  • ANSI B 16.5 : Flange Dimensions
  • BS 6755 Part I / API 6D / API 598: Pressure Testing of Valves
  • BS 6755 Part II / API 607 Edition IV / API 6FA : Fire Safe Test
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