SRi - Sud Robinetterie Industrie

SRi - Sud Robinetterie Industrie

279 Boulevard Danielle Casanova, 13014 Marseille, France

Tandem Ball Valve

Tandem Ball Valve

SRi tandem ball valve is constituted by two balls, like the Double Block and Bleed ball valve, but the face-to-face dimension is in accordance with ASME B16.10.

On site, a SRi tandem ball valve can replace a single ball valve without modification of the pipe meaning two ball valves instead of only one.


  • ND 2" (DN50) to ND 24" (DN600)


  • ASME CLASS 150 to 2500

  • DIN-PN PN 10 to 64


  • Carbon & low alloy Steels

  • Stainless steels

  • Duplex & Super Duplex

  • Nickel Alloys

  • Titanium

Design features

  • API 6D/6A design & construction

  • API 6D & ASME B1610 face to face

  • Antistatic device

  • Double block and bleed (DBB)

  • Drain plug

  • Connection ends upon request

  • Firesafe design

  • O-ring seals

  • Self-Relieving seat

  • Soft seat insert

  • Trunnion mounted

  • Vent plug

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