Colton Industries - Wafer Pattern Twin Door Check Valve - Cast Iron

125WCTI Series - PRODUCT DATA BULLETIN
125WCTI Series - INSTALLATION, OPERATION AND MAINTENANCE MANUAL

Series '125WCTI'

Available in sizes 2" to 24" with body designed to fit between ANSI 125/150# flanges for maximum operating pressures as follows:
PMO: (Maximum Operating Pressure)
2" to 12": 175 psi @ 150 deg. F.
14" to 24": 125 psi @ 150 deg. F.

Notes:

These valves are designed to operate on horizontal and vertical upward flows. On horizontal flow applications, the disc hinge must be in the vertical position.

Cast Iron Twin Door Wafer Check Valve - Dimensions

Unit of Measure

Items	125WCTIB-2 Cast Iron Twin Door Wafer Check Valve	125WCTIB-2 1/2 Cast Iron Twin Door Wafer Check Valve	125WCTIB-3 Cast Iron Twin Door Wafer Check Valve	125WCTIB-4 Cast Iron Twin Door Wafer Check Valve	125WCTIB-5 Cast Iron Twin Door Wafer Check Valve
Type	N/A Twin Door
Size	N/A 50 mm2 in	N/A 65 mm2 1/2 in	N/A 75 mm3 in	N/A 100 mm4 in	N/A 125 mm5 in
A	N/A 105 mm4 1/8 in	N/A 124 mm4 7/8 in	N/A 137 mm5 3/8 in	N/A 175 mm6 7/8 in	N/A 197 mm7 3/4 in
B	N/A 54 mm2 1/8 in	N/A 54 mm2 1/8 in	N/A 57 mm2 1/4 in	N/A 64 mm2 1/2 in	N/A 70 mm2 3/4 in
C	N/A 51 mm2 in	N/A 64 mm2 1/2 in	N/A 76 mm3 in	N/A 102 mm4 in	N/A 127 mm5 in
D	N/A 60 mm2 3/8 in	N/A 73 mm2 7/8 in	N/A 89 mm3 1/2 in	N/A 114 mm4 1/2 in	N/A 140 mm5 1/2 in
E	N/A 3 mm1/8 in	N/A 13 mm1/2 in	N/A 16 mm5/8 in	N/A 25 mm1 in	N/A 32 mm1.25 in
Flow Coefficient (Cv)	N/A 48	N/A 90	N/A 171	N/A 291	N/A 494
Weight	N/A 1.8 kg4 lb	N/A 2.5 kg5 1/2 lb	N/A 3.40 kg7.50 lb	N/A 6.1 kg13.5 lb	N/A 7.9 kg17.5 lb
Maximum Operating Pressure PMO	N/A 175 psi at 250 ºF 200 psi at 150 ºF
Body Material	N/A Cast Iron
Disc Material	N/A Aluminum Bronze
Seat Material	N/A Buna-N
Hinge Pin Material	N/A 316 Stainless Steel
Spring Material	N/A 316 Stainless Steel
Thrust Washers Material	N/A Teflon/Phenolic
Stop Pin Material	N/A 316 Stainless Steel
Hinge Pin Retainer Material	N/A A216-B
Stop Pin Retainer Material	N/A A216-B