HX Series Butterfly Valve Replacement Seats (BFVHX-ST)
- Replacement seats for Wayland HX Series butterfly valves
- FDA-approved seat material options
- EPDM in black for standard service
- Silicone in red
- FKM in brown
- Size and material part numbers are cross-referenced in the HX specification sheet
HX Series Butterfly Valve Replacement Seats
Wayland BFVHX-ST replacement seats are available for HX Series butterfly valves in FDA-approved EPDM, silicone and FKM. Match the valve size and selected seat material to the application and valve configuration.
Seat Temperature Ratings
| Seat material | Operating temperature | Maximum short-duration sterilization temperature |
|---|---|---|
| EPDM | 15°F to 212°F (-10°C to 100°C) | 266°F (130°C) |
| FKM | 15°F to 212°F (-10°C to 100°C) | 266°F (130°C) |
| Silicone | 15°F to 212°F (-10°C to 100°C) | 284°F (140°C) |
Replacement Seat Part Numbers
| Valve size | EPDM (black) | Silicone (red) | FKM (brown) |
|---|---|---|---|
| 1/2″ | WBFVHX-ST-E-.50 | WBFVHX-ST-S-.50 | WBFVHX-ST-V-.50 |
| 3/4″ | WBFVHX-ST-E-.75 | WBFVHX-ST-S-.75 | WBFVHX-ST-V-.75 |
| 1″ | WBFVHX-ST-E-1 | WBFVHX-ST-S-1 | WBFVHX-ST-V-1 |
| 1-1/2″ | WBFVHX-ST-E-15 | WBFVHX-ST-S-15 | WBFVHX-ST-V-15 |
| 2″ | WBFVHX-ST-E-2 | WBFVHX-ST-S-2 | WBFVHX-ST-V-2 |
| 2-1/2″ | WBFVHX-ST-E-25 | WBFVHX-ST-S-25 | WBFVHX-ST-V-25 |
| 3″ | WBFVHX-ST-E-3 | WBFVHX-ST-S-3 | WBFVHX-ST-V-3 |
| 4″ | WBFVHX-ST-E-4 | WBFVHX-ST-S-4 | WBFVHX-ST-V-4 |
| 6″ | WBFVHX-ST-E-6 | WBFVHX-ST-S-6 | WBFVHX-ST-V-6 |
Product Support & Distributor Inquiries
Match the valve series, size and listed part number before selecting replacement parts. Explore Butterfly Valves and the sanitary valve range, or contact Wayland for help identifying product documentation.









