Products

Product Benefits

The 27 series, Size ¼”-2” (DN8-DN50) is designed for the breakout to open under a maximum differential pressure of class 2500. Size 2½”-8” (DN65-DN200) is designed for the breakout to open under a maximum differential pressure of 70 bar (1015 psi).

Typically the 27 series uses a soft seat but a special hybrid seat design can be added, comprised of a metal housing and polymer insert machined as a single unit. This provides higher metal seat stiffness and bubble tight shut-off (Rate A) combined with lower operating torque compared to any equivalent valve solution.

Technical Data

  • 27 series ANSI B16.34 class 2500 (wall thickness), size ¼”-2” (DN8-DN50)
  • 27 series ANSI B16.34 class 1500 (wall thickness), size 2½”-8” (DN65-DN200)
  • Temperature range -60 °C to +260 °C (-76 °F to +500 °F)
  • Materials Stainless Steel 316/316L, Carbon Steel ASTM A350 LF2, C.St A105 and more.
  • End connections Threaded, welded, flanged

Certifications

  • PED 2014/68/EU Module H Pressure equipment directive
  • ATEX 2014/34/EU Equipment and protective systems intended for use in potentially explosive atmospheres (optional for actuated unit only)
  • IEC 61508-2/3:2010 SIL2/3 Safety integrity level – functional safety of electrical/electronic/programmable electronic safety-related systems (optional for actuated unit only)
  • API 607:2016, ISO 10497:2010 Testing of valves – fire type-testing requirements
  • ISO 15848-1:2015 Industrial valves – measurement, test and qualification, procedures for fugitive emissions

Application

  • High Pressure
  • Oil & Gas
  • Offshore drilling platforms
  • Petrochemical & Refineries

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