Wafer Pattern Silent Check Valve - Cast Iron
Silent Check Valves
125WCSI Series - PRODUCT DATA BULLETIN 125WCSI Series - INSTALLATION, OPERATION AND MAINTENANCE MANUAL
Series '125WCSI'
Available in sizes 2" to 24" with a body designed to fit between ANSI 125# and 250# flanges for maximum operating pressures as follows:
PMO: (Maximum Operating Pressure)
2" to 6" 400 psi @ 150 deg. F
250 psi @ 400 deg. F.
8" to 12" 200 psi @ 150 deg. F.
150 psi @ 400 deg. F.
Materials of Construction:
- Body: Cast Iron
- Plug: Bronze or 316 Stainless Steel
- Seat: Bronze or 316 Stainless Steel (Optional soft seat available upon request)
- Spring: 316 Stainless Steel
- These valves are designed for horizontal and vertical flows.
- The conical spring design allows the plug greater travel, resulting in better flow characteristics than valves of conventional design.
- These valves can be machined to accept an optional soft seat (usually Buna-N) for bubble tight shut-off.
Item Number |
Size |
A |
B |
C |
End Connection |
Seat Material |
|---|---|---|---|---|---|---|
 | ||||||
| 125WCSIVR-6 | Size N/A 150 mm6 in | A N/A 140 mm5 1/2 in | B N/A 248 mm9 3/4 in | C N/A 159 mm6 1/4 in | End Connection N/A Wafer type | Seat Material N/A Resilient-Viton |
| 125WCSIER-6 | Size N/A 150 mm6 in | A N/A 140 mm5 1/2 in | B N/A 248 mm9 3/4 in | C N/A 159 mm6 1/4 in | End Connection N/A Wafer type | Seat Material N/A Resilient-EPDM |
| 125WCSIBR-6 | Size N/A 150 mm6 in | A N/A 140 mm5 1/2 in | B N/A 248 mm9 3/4 in | C N/A 159 mm6 1/4 in | End Connection N/A Wafer type | Seat Material N/A Resilient-Buna-N |
| 125WCSISM-6 | Size N/A 150 mm6 in | A N/A 140 mm5 1/2 in | B N/A 248 mm9 3/4 in | C N/A 159 mm6 1/4 in | End Connection N/A Wafer type | Seat Material N/A Metal-Stainless Steel |
| 125WCSIBM-6 | Size N/A 150 mm6 in | A N/A 140 mm5 1/2 in | B N/A 248 mm9 3/4 in | C N/A 159 mm6 1/4 in | End Connection N/A Wafer type | Seat Material N/A Metal-Bronze |
| 125WCSIBM-8 | Size N/A 200 mm8 in | A N/A 165 mm6 1/2 in | B N/A 305 mm12 in | C N/A 213 mm8 3/8 in | End Connection N/A Wafer type | Seat Material N/A Metal-Bronze |
| 125WCSISM-8 | Size N/A 200 mm8 in | A N/A 165 mm6 1/2 in | B N/A 305 mm12 in | C N/A 213 mm8 3/8 in | End Connection N/A Wafer type | Seat Material N/A Metal-Stainless Steel |
| 125WCSIBR-8 | Size N/A 200 mm8 in | A N/A 165 mm6 1/2 in | B N/A 305 mm12 in | C N/A 213 mm8 3/8 in | End Connection N/A Wafer type | Seat Material N/A Resilient-Buna-N |
| 125WCSIER-8 | Size N/A 200 mm8 in | A N/A 165 mm6 1/2 in | B N/A 305 mm12 in | C N/A 213 mm8 3/8 in | End Connection N/A Wafer type | Seat Material N/A Resilient-EPDM |
| 125WCSIVR-8 | Size N/A 200 mm8 in | A N/A 165 mm6 1/2 in | B N/A 305 mm12 in | C N/A 213 mm8 3/8 in | End Connection N/A Wafer type | Seat Material N/A Resilient-Viton |
| 125WCSIVR-10 | Size N/A 250 mm10 in | A N/A 210 mm8 1/4 in | B N/A 406 mm16 in | C N/A 254 mm10 in | End Connection N/A Wafer type | Seat Material N/A Resilient-Viton |
| 125WCSIER-10 | Size N/A 250 mm10 in | A N/A 210 mm8 1/4 in | B N/A 406 mm16 in | C N/A 254 mm10 in | End Connection N/A Wafer type | Seat Material N/A Resilient-EPDM |
| 125WCSIBR-10 | Size N/A 250 mm10 in | A N/A 210 mm8 1/4 in | B N/A 406 mm16 in | C N/A 254 mm10 in | End Connection N/A Wafer type | Seat Material N/A Resilient-Buna-N |
| 125WCSISM-10 | Size N/A 250 mm10 in | A N/A 210 mm8 1/4 in | B N/A 406 mm16 in | C N/A 254 mm10 in | End Connection N/A Wafer type | Seat Material N/A Metal-Stainless Steel |
| 125WCSIBM-10 | Size N/A 250 mm10 in | A N/A 210 mm8 1/4 in | B N/A 406 mm16 in | C N/A 254 mm10 in | End Connection N/A Wafer type | Seat Material N/A Metal-Bronze |
| 125WCSIBM-12 | Size N/A 300 mm12 in | A N/A 286 mm11 1/4 in | B N/A 483 mm19 in | C N/A 298 mm11 3/4 in | End Connection N/A Wafer type | Seat Material N/A Metal-Bronze |
| 125WCSISM-12 | Size N/A 300 mm12 in | A N/A 286 mm11 1/4 in | B N/A 483 mm19 in | C N/A 298 mm11 3/4 in | End Connection N/A Wafer type | Seat Material N/A Metal-Stainless Steel |
| 125WCSIBR-12 | Size N/A 300 mm12 in | A N/A 286 mm11 1/4 in | B N/A 483 mm19 in | C N/A 298 mm11 3/4 in | End Connection N/A Wafer type | Seat Material N/A Resilient-Buna-N |
| 125WCSIER-12 | Size N/A 300 mm12 in | A N/A 286 mm11 1/4 in | B N/A 483 mm19 in | C N/A 298 mm11 3/4 in | End Connection N/A Wafer type | Seat Material N/A Resilient-EPDM |
| 125WCSIVR-12 | Size N/A 300 mm12 in | A N/A 286 mm11 1/4 in | B N/A 483 mm19 in | C N/A 298 mm11 3/4 in | End Connection N/A Wafer type | Seat Material N/A Resilient-Viton |
