Piston (Lift) Check Valves - 1878
Product Brand
Piston (Lift) Check Valves
About this product

High-performance 1878 piston check valves are designed for low leakage rate testing (LLRT) and are available with EPR/EPDM resilient seated discs.

... Read more Read less
  • Lower operating costs and high inventory flexibility due to the versatility of one valve designed to operate in three pressure classes
  • Standards compliance assured by a design that meets ASME Section III, Class 1, 2, and 3 design codes
  • Investment cast body that results in High Cv ensured by a design that results in a contoured flow path, smooth flow path and high Cv
  • Increased durability via a one-piece low profile, investment cast body/yoke assembly that results in smooth flow passages
  • Improved service reliability enabled by a lightweight disk and seal ring constructed of non-cobalt material
  • Functional qualifications per pressure class 1878 (intermediate) requirements
  • 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

Elastomeric Seat

Soft Seated

Online Tools

Find Flowserve representatives near you


Find your closest Flowserve resource for new products and replacement parts. We can help improve performance and safety throughout your operation.

Search Sales Contactsright-arrow

Searching for a service or repair for your equipment? Connect with a nearby Quick Response Center (QRC) to resolve problems and optimize equipment.

Find Servicesright-arrow

Are you looking for thought leaders with the expertise you need in your industry? We have industry and application specialists around the world who can assist you.

Locate Industry Expertsright-arrow