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.

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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

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