The FBC™ is a compact, lightweight, insert wafer check valve that easily installs between two flanges. The in-line, spring assisted design prevents "water hammer" and "reverse flow". The FBC™ contains all of the proven features of the Basic-Check® valve developed by DFT® over 60 years ago. Like the Basic-Check®, the metal-to-metal sealing area of the disc and seat is precision lapped providing tight shut-off for applications involving liquids, gases or steam. Resilient soft seats are available for applications requiring bubble-tight shut-off.
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Prod. #

Class

Size

Dimension A

Dimension B

Dimension C

O.D.

Cv

Cracking Pressure CP

8140 N/A 150/300 N/A DN 25 1 in N/A 0.868 in22 mm N/A 0.250 in6 mm N/A 1.029 in26 mm N/A 2.00 in51 mm N/A 5.8 N/A 0.6 psig0.041 bar
8142 N/A 150/300 N/A DN 40 1.5 in N/A 1.099 in28 mm N/A 0.250 in6 mm N/A 1.563 in40 mm N/A 2.88 in73 mm N/A 13.2 N/A 0.45 psig0.031 bar
8143 N/A 150/300 N/A DN 50 2 in N/A 1.216 in31 mm N/A 0.250 in6 mm N/A 1.940 in49 mm N/A 3.62 in92 mm N/A 23.1 N/A 0.38 psig0.026 bar
8144 N/A 150/300 N/A DN 65 2.5 in N/A 1.306 in33 mm N/A 0.250 in6 mm N/A 2.400 in61 mm N/A 4.12 in105 mm N/A 36 N/A 0.20 psig0.014 bar
8145 N/A 150/300 N/A DN 80 3 in N/A 1.473 in37 mm N/A 0.313 in8 mm N/A 2.970 in75 mm N/A 5.00 in127 mm N/A 57.4 N/A 0.14 psig0.010 bar
8146 N/A 150 N/A DN 100 4 in N/A 2.105 in53 mm N/A 0.375 in10 mm N/A 3.700 in94 mm N/A 6.19 in157 mm N/A 90 N/A 0.15 psig0.010 bar
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