Butterfly Valves

High performance Double Offset​

Simple design, long life
  • Adjustable and live-loaded chevron v-ring packing ensures low fugitive emissions according to ISO 15848 Part I&II
  • Fire Design leaves two points of contact in the seat area after a fire has melted the soft seat, API 607 and 6FA
  • DelVal’s self-energizing ULTRA seat is an engineered fluorocarbon polymer that is rated for 500F/260C at 285psi. ULTRA has excellent thermal stability and is recommended for extended service in hostile environments involving chemical, thermal, and mechanical stress. 
  • ULTRA is ideal for steam, hot gases, and pressure cycling applications
  • 100% Testing, 100% Serialization, 3 Year Warranty
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Available In

  • 2” to 48” or larger on request, ANSI Cl. 150 and 300, Wafer, LUG, Double Flanged
  • Body and Discs: Carbon Steel A216 WCB/WCC, A352LCC, A351 CF8M/CF3M
  • Seats: ULTRA, PTFE, RPTFE, UHMWPE, 316+ULTRA, 316SS
 

Services:

  • Vacuum to 1mbar, Oxygen, NACE MR0175/ISO 15156 & MR103/ISO 17945
  • Steam up to 450psi
  • Drinking water certified NSF 61 and NSF 372
  • Bi-directional dead-end to full ASME pressure rating capable

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