Flanged Silent Check Valve - Cast Iron
Silent Check Valves
125FCSI Series - PRODUCT DATA BULLETIN
125FCSI Series - INSTALLATION, OPERATION AND MAINTENANCE MANUAL
Series '125FCSI'
Available in sizes 2" to 16" with ANSI 125# FF flanged ends for maximum operating pressures as follows:
PMO: (Maximum Operating Pressure)
2" to 12" 200 psi @ 150 deg. F.
125 psi @ 450 deg. F.
14" to 16" 150 psi @ 150 deg. F.
100 psi @ 250 deg. F.
Notes:
- 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 |
End Connections |
A |
B |
C |
Seat Material |
---|---|---|---|---|---|---|
125FCSIBR-4 | Size N/A 100 mm4 in | End Connections N/A FF Flanges | A N/A 216 mm8 1/2 in | B N/A 229 mm9 in | C N/A 111 mm4 3/8 in | Seat Material N/A Resilient-Buna-N |
125FCSIBR-5 | Size N/A 125 mm5 in | End Connections N/A FF Flanges | A N/A 241 mm9 1/2 in | B N/A 254 mm10 in | C N/A 133 mm5 1/4 in | Seat Material N/A Resilient-Buna-N |
125FCSIBR-6 | Size N/A 150 mm6 in | End Connections N/A FF Flanges | A N/A 267 mm10 1/2 in | B N/A 279 mm11 in | C N/A 159 mm6 1/4 in | Seat Material N/A Resilient-Buna-N |
125FCSIBR-8 | Size N/A 200 mm8 in | End Connections N/A FF Flanges | A N/A 343 mm13 1/2 in | B N/A 394 mm15 1/2 in | C N/A 213 mm8 3/8 in | Seat Material N/A Resilient-Buna-N |
125FCSIBR-10 | Size N/A 250 mm10 in | End Connections N/A FF Flanges | A N/A 413 mm16 1/4 in | B N/A 457 mm18 in | C N/A 254 mm10 in | Seat Material N/A Resilient-Buna-N |
125FCSIBR-12 | Size N/A 300 mm12 in | End Connections N/A FF Flanges | A N/A 514 mm20 1/4 in | B N/A 533 mm21 in | C N/A 305 mm12 in | Seat Material N/A Resilient-Buna-N |
125FCSIBR-14 | Size N/A 350 mm14 in | End Connections N/A FF Flanges | A N/A 478 mm22 3/4 in | B N/A 635 mm25 in | C N/A 337 mm13 1/4 in | Seat Material N/A Resilient-Buna-N |
125FCSIBR-16 | Size N/A 400 mm16 in | End Connections N/A FF Flanges | A N/A 629 mm24 3/4 in | B N/A 660 mm26.00 in | C N/A 387 mm15 1/4 in | Seat Material N/A Resilient-Buna-N |
125FCSIER-2 | Size N/A 50 mm2 in | End Connections N/A FF Flanges | A N/A 159 mm6 1/4 in | B N/A 121 mm4 3/4 in | C N/A 57 mm2.25 in | Seat Material N/A Resilient-EPDM |
125FCSIER-2 1/2 | Size N/A 65 mm2 1/2 in | End Connections N/A FF Flanges | A N/A 178 mm7 in | B N/A 140 mm5 1/2 in | C N/A 67 mm2 5/8 in | Seat Material N/A Resilient-EPDM |
125FCSIER-3 | Size N/A 80 mm3 in | End Connections N/A FF Flanges | A N/A 191 mm7 1/2 in | B N/A 162 mm6 3/8 in | C N/A 86 mm3 3/8 in | Seat Material N/A Resilient-EPDM |
125FCSIER-4 | Size N/A 100 mm4 in | End Connections N/A FF Flanges | A N/A 216 mm8 1/2 in | B N/A 229 mm9 in | C N/A 111 mm4 3/8 in | Seat Material N/A Resilient-EPDM |
125FCSIER-5 | Size N/A 125 mm5 in | End Connections N/A FF Flanges | A N/A 241 mm9 1/2 in | B N/A 254 mm10 in | C N/A 133 mm5 1/4 in | Seat Material N/A Resilient-EPDM |
125FCSIER-6 | Size N/A 150 mm6 in | End Connections N/A FF Flanges | A N/A 267 mm10 1/2 in | B N/A 279 mm11 in | C N/A 159 mm6 1/4 in | Seat Material N/A Resilient-EPDM |
125FCSIER-8 | Size N/A 200 mm8 in | End Connections N/A FF Flanges | A N/A 343 mm13 1/2 in | B N/A 394 mm15 1/2 in | C N/A 213 mm8 3/8 in | Seat Material N/A Resilient-EPDM |
125FCSIER-10 | Size N/A 250 mm10 in | End Connections N/A FF Flanges | A N/A 413 mm16 1/4 in | B N/A 457 mm18 in | C N/A 254 mm10 in | Seat Material N/A Resilient-EPDM |
125FCSIER-12 | Size N/A 300 mm12 in | End Connections N/A FF Flanges | A N/A 514 mm20 1/4 in | B N/A 533 mm21 in | C N/A 305 mm12 in | Seat Material N/A Resilient-EPDM |
125FCSIER-14 | Size N/A 350 mm14 in | End Connections N/A FF Flanges | A N/A 478 mm22 3/4 in | B N/A 635 mm25 in | C N/A 337 mm13 1/4 in | Seat Material N/A Resilient-EPDM |
125FCSIER-16 | Size N/A 400 mm16 in | End Connections N/A FF Flanges | A N/A 629 mm24 3/4 in | B N/A 660 mm26.00 in | C N/A 387 mm15 1/4 in | Seat Material N/A Resilient-EPDM |
125FCSIVR-2 | Size N/A 50 mm2 in | End Connections N/A FF Flanges | A N/A 159 mm6 1/4 in | B N/A 121 mm4 3/4 in | C N/A 57 mm2.25 in | Seat Material N/A Resilient-Viton |
125FCSIVR-2 1/2 | Size N/A 65 mm2 1/2 in | End Connections N/A FF Flanges | A N/A 178 mm7 in | B N/A 140 mm5 1/2 in | C N/A 67 mm2 5/8 in | Seat Material N/A Resilient-Viton |
125FCSIVR-3 | Size N/A 80 mm3 in | End Connections N/A FF Flanges | A N/A 191 mm7 1/2 in | B N/A 162 mm6 3/8 in | C N/A 86 mm3 3/8 in | Seat Material N/A Resilient-Viton |
125FCSIVR-4 | Size N/A 100 mm4 in | End Connections N/A FF Flanges | A N/A 216 mm8 1/2 in | B N/A 229 mm9 in | C N/A 111 mm4 3/8 in | Seat Material N/A Resilient-Viton |
125FCSIVR-5 | Size N/A 125 mm5 in | End Connections N/A FF Flanges | A N/A 241 mm9 1/2 in | B N/A 254 mm10 in | C N/A 133 mm5 1/4 in | Seat Material N/A Resilient-Viton |
125FCSIVR-6 | Size N/A 150 mm6 in | End Connections N/A FF Flanges | A N/A 267 mm10 1/2 in | B N/A 279 mm11 in | C N/A 159 mm6 1/4 in | Seat Material N/A Resilient-Viton |