The DFT® Excalibur® Silent Check Valve is a spring-assisted, center guided, in-line, check valve that provides reliable, low maintenance service for a wide range of fluids and pressure/temperature combinations. The valve consists of a body, gasket, seat, spring, disc with stem and guide bushing. Excalibur® check valves are available in a wide range of sizes and pressure ratings and in a variety of metals to meet most check valve requirements.
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Prod. #

Class

Size

Dimension A

Dimension B

Cv

Cracking Pressure CP

Body

222H1A4A3 N/A 150 N/A DN 50 2 in N/A 8.00 in203 mm N/A 6.00 in152 mm N/A 65 N/A 0.64 psig0.044 bar N/A A216 Grade WCB
222J1A4A3 N/A 150 N/A DN 65 2.5 in N/A 8.50 in216 mm N/A 7 in178 mm N/A 105 N/A 0.44 psig0.030 bar N/A A216 Grade WCB
222K1A4A3 N/A 150 N/A DN 80 3 in N/A 9.50 in241 mm N/A 7.50 in191 mm N/A 155 N/A 0.26 psig0.018 bar N/A A216 Grade WCB
222L1A4A3 N/A 150 N/A DN 100 4 in N/A 11.50 in292 mm N/A 9 in229 mm N/A 265 N/A 0.6 psig0.041 bar N/A A216 Grade WCB
222N1A4A3 N/A 150 N/A DN 150 6 in N/A 14 in356 mm N/A 11 in279 mm N/A 685 N/A 0.40 psig0.028 bar N/A A216 Grade WCB
222O1A4A3 N/A 150 N/A DN 200 8 in N/A 19.50 in495 mm N/A 13.50 in343 mm N/A 1050 N/A 0.58 psig0.040 bar N/A A216 Grade WCB
222P1A4A3 N/A 150 N/A DN 250 10 in N/A 24.50 in622 mm N/A 16 in406 mm N/A 1650 N/A 0.52 psig0.036 bar N/A A216 Grade WCB
222R1A4A3 N/A 150 N/A DN 300 12 in N/A 27.50 in699 mm N/A 19 in483 mm N/A 2400 N/A 0.53 psig0.037 bar N/A A216 Grade WCB
222S1A4A3 N/A 150 N/A DN 350 14 in N/A 31 in787 mm N/A 21 in533 mm N/A 3600 N/A 0.28 psig0.019 bar N/A A216 Grade WCB
222T1A4A3 N/A 150 N/A DN 400 16 in N/A 34 in864 mm N/A 23.50 in597 mm N/A 5200 N/A 0.51 psig0.035 bar N/A A216 Grade WCB
222X1A4A3 N/A 150 N/A DN 600 24 in N/A 51 in1295 mm N/A 32 in813 mm N/A 11300 N/A 0.42 psig0.029 bar N/A A216 Grade WCB
222H1B4A3 N/A 300 N/A DN 50 2 in N/A 10.50 in267 mm N/A 6.50 in165 mm N/A 65 N/A 0.64 psig0.044 bar N/A A216 Grade WCB
222J1B4A3 N/A 300 N/A DN 65 2.5 in N/A 11.50 in292 mm N/A 7.50 in191 mm N/A 105 N/A 0.37 psig0.026 bar N/A A216 Grade WCB
222K1B4A3 N/A 300 N/A DN 80 3 in N/A 12.50 in318 mm N/A 8.25 in210 mm N/A 155 N/A 0.26 psig0.018 bar N/A A216 Grade WCB
222L1B4A3 N/A 300 N/A DN 100 4 in N/A 14 in356 mm N/A 10 in254 mm N/A 265 N/A 0.41 psig0.028 bar N/A A216 Grade WCB
222N1B4A3 N/A 300 N/A DN 150 6 in N/A 17.50 in445 mm N/A 12.50 in318 mm N/A 685 N/A 0.40 psig0.028 bar N/A A216 Grade WCB
222O1B4A3 N/A 300 N/A DN 200 8 in N/A 21 in533 mm N/A 15 in381 mm N/A 1050 N/A 0.6 psig0.041 bar N/A A216 Grade WCB
222P1B4A3 N/A 300 N/A DN 250 10 in N/A 24.50 in622 mm N/A 17.50 in445 mm N/A 1650 N/A 0.52 psig0.036 bar N/A A216 Grade WCB
222R1B4A3 N/A 300 N/A DN 300 12 in N/A 28 in711 mm N/A 20.50 in521 mm N/A 2400 N/A 0.53 psig0.037 bar N/A A216 Grade WCB
222S1B4A3 N/A 300 N/A DN 350 14 in N/A 33 in838 mm N/A 23 in584 mm N/A 3600 N/A 0.28 psig0.019 bar N/A A216 Grade WCB
222W1B4A3 N/A 300 N/A DN 500 20 in N/A 40 in1016 mm N/A 30.50 in775 mm N/A 7850 N/A 0.5 psig0.034 bar N/A A216 Grade WCB
222H1C4A3 N/A 600 N/A DN 50 2 in N/A 11.50 in292 mm N/A 6.50 in165 mm N/A 65 N/A 0.64 psig0.044 bar N/A A216 Grade WCB
222K1C4A3 N/A 600 N/A DN 80 3 in N/A 14 in356 mm N/A 8.25 in210 mm N/A 155 N/A 0.26 psig0.018 bar N/A A216 Grade WCB
222L1C4A3 N/A 600 N/A DN 100 4 in N/A 17 in432 mm N/A 10.75 in273 mm N/A 265 N/A 0.51 psig0.035 bar N/A A216 Grade WCB
222N1C4A3 N/A 600 N/A DN 150 6 in N/A 22 in559 mm N/A 14 in356 mm N/A 584 N/A 0.73 psig0.050 bar N/A A216 Grade WCB
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