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.
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Cast Iron Globe Style Silent Check Valve

Cast Iron Globe Style Silent Check Valve
Cast Iron Globe Style Silent Check Valve

Cast Iron Globe Style Silent Check Valve
Cast Iron Globe Style Silent Check Valve

Cast Iron Globe Style Silent Check Valve
Cast Iron Globe Style Silent Check Valve

Cast Iron Globe Style Silent Check Valve
Cast Iron Globe Style Silent Check Valve

Cast Iron Globe Style Silent Check Valve
ANSI Class N/A 125 ANSI
Valve Type N/A Silent Check
Size N/A 50 mm2 in N/A 65 mm2 1/2 in N/A 80 mm3 in N/A 100 mm4 in N/A 125 mm5 in
End Connections N/A FF Flanges
A N/A 159 mm6 1/4 in N/A 178 mm7 in N/A 191 mm7 1/2 in N/A 216 mm8 1/2 in N/A 241 mm9 1/2 in
B N/A 121 mm4 3/4 in N/A 140 mm5 1/2 in N/A 162 mm6 3/8 in N/A 229 mm9 in N/A 254 mm10 in
C N/A 57 mm2.25 in N/A 67 mm2 5/8 in N/A 86 mm3 3/8 in N/A 111 mm4 3/8 in N/A 133 mm5 1/4 in
D N/A 51 mm2.00 in N/A 64 mm2 1/2 in N/A 76 mm3 in N/A 102 mm4 in N/A 127 mm5 in
Seat Material  N/A Metal-Bronze
Flow Coefficient (Cv) N/A 69 N/A 108 N/A 155 N/A 277 N/A 433
Weight N/A 7.3 kg15 lb N/A 10.9 kg24 lb N/A 14.5 kg32 lb N/A 26.8 kg59 lb N/A 34.1 kg75 lb
Maximum Operating Pressure PMO N/A 125 psi at 450 ºF 200 psi at 150 ºF
Body Material N/A A126-B Cast Iron
Seat Material N/A B148 C954 Aluminum Bronze
Spring Material N/A 316 Stainless Steel
Bushing Material N/A B148 C954 Aluminum Bronze
Set Screw Material N/A 300 Series Stainless Steel
Plug Material N/A B148 C954 Aluminum Bronze