The DFT® Model GLC® Silent Check Valve is a spring-assisted, center guided, in-line, flanged check valve that provides reliable, low maintenance service for a wide range of fluids and pressure/temperature combinations. The valve consists of a body, seat, spring, disc with stem and guide bushing. Some valves have body or gasket seals. The DFT® GLC® check valve has the advantage of minimum pressure loss with silent, non-slam operation.
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Prod. #

Class

Size

Dimension A

Dimension B

Cv

Cracking Pressure CP

Body

9503 N/A 150 RF N/A DN 25 1 in N/A 4.50 in114 mm N/A 4.25 in108 mm N/A 17 N/A 0.85 psig0.059 bar N/A A216 Grade WCB
9551 N/A 150 RF N/A DN 40 1.5 in N/A 5.75 in146 mm N/A 5.00 in127 mm N/A 35 N/A 0.29 psig0.020 bar N/A A216 Grade WCB
9575-2 N/A 150 RF N/A DN 50 2 in N/A 6.25 in159 mm N/A 6.00 in152 mm N/A 63 N/A 0.29 psig0.020 bar N/A A216 Grade WCB
9599-1 N/A 150 RF N/A DN 65 2.5 in N/A 7.00 in178 mm N/A 7 in178 mm N/A 100 N/A 0.18 psig0.012 bar N/A A216 Grade WCB
9623-2 N/A 150 RF N/A DN 80 3 in N/A 7.50 in191 mm N/A 7.50 in191 mm N/A 148 N/A 0.20 psig0.014 bar N/A A216 Grade WCB
9647-1 N/A 150 RF N/A DN 100 4 in N/A 8.50 in216 mm N/A 9 in229 mm N/A 260 N/A 0.49 psig0.034 bar N/A A216 Grade WCB
9671 N/A 150 RF N/A DN 125 5 in N/A 9.50 in241 mm N/A 10 in254 mm N/A 415 N/A 0.28 psig0.019 bar N/A A216 Grade WCB
9695-2 N/A 150 RF N/A DN 150 6 in N/A 10 in254 mm N/A 11 in279 mm N/A 620 N/A 0.41 psig0.028 bar N/A A216 Grade WCB
9719-1 N/A 150 RF N/A DN 200 8 in N/A 12 in305 mm N/A 13.50 in343 mm N/A 1030 N/A 0.41 psig0.028 bar N/A A216 Grade WCB
9743-1 N/A 150 RF N/A DN 250 10 in N/A 14 in356 mm N/A 16 in406 mm N/A 1630 N/A 0.55 psig0.038 bar N/A A216 Grade WCB
9767-1 N/A 150 RF N/A DN 300 12 in N/A 18 in457 mm N/A 19 in483 mm N/A 2370 N/A 0.47 psig0.032 bar N/A A216 Grade WCB
9787-1 N/A 150 RF N/A DN 350 14 in N/A 21 in533 mm N/A 21 in533 mm N/A 3500 N/A 0.52 psig0.036 bar N/A A216 Grade WCB
9807-1 N/A 150 RF N/A DN 400 16 in N/A 22.50 in572 mm N/A 23.50 in597 mm N/A 5100 N/A 0.51 psig0.035 bar N/A A216 Grade WCB
9827-1 N/A 150 RF N/A DN 450 18 in N/A 24 in610 mm N/A 25 in635 mm N/A 6400 N/A 0.59 psig0.041 bar N/A A216 Grade WCB
9843-1 N/A 150 RF N/A DN 500 20 in N/A 24 in610 mm N/A 27.50 in699 mm N/A 7700 N/A 0.49 psig0.034 bar N/A A216 Grade WCB
9859 N/A 150 RF N/A DN 600 24 in N/A 28 in711 mm N/A 32 in813 mm N/A 11100 N/A 0.44 psig0.030 bar N/A A216 Grade WCB
9509 N/A 300 RF N/A DN 25 1 in N/A 4.75 in121 mm N/A 4.88 in124 mm N/A 19 N/A 0.85 psig0.059 bar N/A A216 Grade WCB
9557 N/A 300 RF N/A DN 40 1.5 in N/A 6.00 in152 mm N/A 6.13 in156 mm N/A 35 N/A 0.29 psig0.020 bar N/A A216 Grade WCB
9581-3 N/A 300 RF N/A DN 50 2 in N/A 6.25 in159 mm N/A 6.50 in165 mm N/A 63 N/A 0.29 psig0.020 bar N/A A216 Grade WCB
9605-1 N/A 300 RF N/A DN 65 2.5 in N/A 7.25 in184 mm N/A 7.50 in191 mm N/A 100 N/A 0.18 psig0.012 bar N/A A216 Grade WCB
9629-2 N/A 300 RF N/A DN 80 3 in N/A 7.88 in200 mm N/A 8.25 in210 mm N/A 148 N/A 0.20 psig0.014 bar N/A A216 Grade WCB
9653-1 N/A 300 RF N/A DN 100 4 in N/A 9.13 in232 mm N/A 10 in254 mm N/A 267 N/A 0.48 psig0.033 bar N/A A216 Grade WCB
9677 N/A 300 RF N/A DN 125 5 in N/A 10.38 in264 mm N/A 11 in279 mm N/A 415 N/A 0.28 psig0.019 bar N/A A216 Grade WCB
9701-1 N/A 300 RF N/A DN 150 6 in N/A 11 in279 mm N/A 12.50 in318 mm N/A 620 N/A 0.39 psig0.027 bar N/A A216 Grade WCB
9725-1 N/A 300 RF N/A DN 200 8 in N/A 13 in330 mm N/A 15 in381 mm N/A 933 N/A 0.45 psig0.031 bar N/A A216 Grade WCB
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