Swing Check Valves - 1878

The 1878 Swing Check Valve is a rugged, specialized swing check valve optimally designed for use in reactor penetration and isolation applications.

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  • Rapid disassembly/reassembly during maintenance and repair that minimizes exposure to radiation
  • Environmental/regulatory compliance and improved plant safety due to ALARA-compliant design
  • Functional qualifications per ratings in accordance with ASME Section III, Class 1 pressure class 1878 (intermediate) requirements
  • Greater process control through standard available dual seat disc design for leak-free sealing at both high- and low-pressure differentials

  • ASME B16.34
  • ASME Section III

Size Range:

  • NPS 1/2 to 2
  • DN 15 to 50

Pressure Class Range:

  • 150 to 1878
  • PN 25 to 325

Seating Material:

  • Metal
  • Soft

Elastomeric Seat

Soft Seated

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