Seat Replacements


  • Replacement cap gasket and seat for Wayland 45BY valves
  • EPDM and FKM options
  • Sizes from 1-1/2" through 3"
  • Exploded component reference included below






Y-ball Check Valve Seats

Wayland W45BY-ST Y-ball check valve seats are supplied with a cap gasket for matching 45BY valves. Select EPDM or FKM and the installed valve size.

Seal-Kit Reference

  • EPDM or FKM material selection
  • Size-specific fit for 1-1/2" through 3" valves
  • Each seal kit includes one cap gasket and one seat
  • Seat assembly is identified as item 7 in the exploded parts view
Exploded Y-ball check valve parts diagram showing the cap gasket and seat

Available Sizes

Seat material Valve sizes
EPDM 1-1/2", 2", 2-1/2", 3"
FKM 1-1/2", 2", 2-1/2", 3"

Product Support & Distributor Inquiries

Match the valve series, size and listed part number before selecting replacement parts. Explore Y-Ball Check Valve and the sanitary valve range, or contact Wayland for help identifying product documentation.