Double Block Valves

An instrument valve is used for isolation of pressure gauges, orifice plates, flush rings, and various measurement instruments.

Technical Details

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  • Product Details


  • Easy 1/4-turn operation
  • 1/2”- 1” Sizes, API 607 qualified in 316 SS
  • Class 2500#
  • Rod-out capability
  • Variety of end connections
  • Materials of construction: most high alloy stainless steels, duplex, hastelloy, inconel and titanium
  • Seats and seals to meet the most stringent temperature and corrosion requirements
  • Welded tamperproof body design
  • Visual position indication
  • Lockable manual handles standard and automation available
  • Unique applications welcome
  • Rod-out tool available
  • Comply with power piping ANSI/ASME B 31.1