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

• Power
• Oil & Gas
• Chemical

• Nuclear
• Conventional Steam
• Geothermal
• Combined Cycle
• Downstream Processing
• Basic
• Specialty

• 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

• Size Range: DN 250 to 400; NPS 10 to 16
• Pressure Class Range: PN 420; Class 2500
• Seating Material: Metal

• 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