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  • Excalibur® Flanged Check Valves
  • Excalibur® Flanged Check Valves
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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ASME CLASS

Size (in)

Size (mm)

ENDS

Cv

Prod. #

ASME CLASS

Size

Cracking Pressure CP

Body

ENDS

Cv

225X1A4A3 N/A 150 N/A 24.0 inDN 600 N/A 0.029 bar0.42 psig N/A A351 CF8M N/A FLG (RF) N/A 11300
225H1B4A3 N/A 300 N/A 2.00 inDN 50 N/A 0.044 bar0.64 psig N/A A351 CF8M N/A FLG (RF) N/A 65
225J1B4A3 N/A 300 N/A 2.50 inDN 65 N/A 0.026 bar0.37 psig N/A A351 CF8M N/A FLG (RF) N/A 105
225K1B4A3 N/A 300 N/A 3.00 inDN 80 N/A 0.018 bar0.26 psig N/A A351 CF8M N/A FLG (RF) N/A 155
225L1B4A3 N/A 300 N/A 4.00 inDN 100 N/A 0.028 bar0.41 psig N/A A351 CF8M N/A FLG (RF) N/A 265
225N1B4A3 N/A 300 N/A 6.00 inDN 150 N/A 0.028 bar0.40 psig N/A A351 CF8M N/A FLG (RF) N/A 685
225O1B4A3 N/A 300 N/A 8.00 inDN 200 N/A 0.041 bar0.6 psig N/A A351 CF8M N/A FLG (RF) N/A 1050
225P1B4A3 N/A 300 N/A 10.0 inDN 250 N/A 0.036 bar0.52 psig N/A A351 CF8M N/A FLG (RF) N/A 1650
225R1B4A3 N/A 300 N/A 12.0 inDN 300 N/A 0.037 bar0.53 psig N/A A351 CF8M N/A FLG (RF) N/A 2400
225S1B4A3 N/A 300 N/A 14.0 inDN 350 N/A 0.019 bar0.28 psig N/A A351 CF8M N/A FLG (RF) N/A 3600
225W1B4A3 N/A 300 N/A 20.0 inDN 500 N/A 0.034 bar0.5 psig N/A A351 CF8M N/A FLG (RF) N/A 7850
225H1C4A3 N/A 600 N/A 2.00 inDN 50 N/A 0.044 bar0.64 psig N/A A351 CF8M N/A FLG (RF) N/A 65
225K1C4A3 N/A 600 N/A 3.00 inDN 80 N/A 0.018 bar0.26 psig N/A A351 CF8M N/A FLG (RF) N/A 155
225L1C4A3 N/A 600 N/A 4.00 inDN 100 N/A 0.035 bar0.51 psig N/A A351 CF8M N/A FLG (RF) N/A 265
225N1C4A3 N/A 600 N/A 6.00 inDN 150 N/A 0.05 bar0.73 psig N/A A351 CF8M N/A FLG (RF) N/A 584
225O1C4A3 N/A 600 N/A 8.00 inDN 200 N/A 0.046 bar0.67 psig N/A A351 CF8M N/A FLG (RF) N/A 985
225P1C4A3 N/A 600 N/A 10.0 inDN 250 N/A 0.032 bar0.47 psig N/A A351 CF8M N/A FLG (RF) N/A 1650
225R1C4A3 N/A 600 N/A 12.0 inDN 300 N/A 0.034 bar0.5 psig N/A A351 CF8M N/A FLG (RF) N/A 2400
225H1D4A3 N/A 900 N/A 2.00 inDN 50 N/A 0.059 bar0.85 psig N/A A351 CF8M N/A FLG (RF) N/A 51
225K1D4A3 N/A 900 N/A 3.00 inDN 80 N/A 0.015 bar0.22 psig N/A A351 CF8M N/A FLG (RF) N/A 138
225L1D4A3 N/A 900 N/A 4.00 inDN 100 N/A 0.04 bar0.58 psig N/A A351 CF8M N/A FLG (RF) N/A 242
225N1D4A3 N/A 900 N/A 6.00 inDN 150 N/A 0.057 bar0.83 psig N/A A351 CF8M N/A FLG (RF) N/A 512
225O1D4A3 N/A 900 N/A 8.00 inDN 200 N/A 0.037 bar0.54 psig N/A A351 CF8M N/A FLG (RF) N/A 777
225P1D4A3 N/A 900 N/A 10.0 inDN 250 N/A 0.04 bar0.58 psig N/A A351 CF8M N/A FLG (RF) N/A 1449
225H1E4A3 N/A 1500 N/A 2.00 inDN 50 N/A 0.059 bar0.85 psig N/A A351 CF8M N/A FLG (RF) N/A 51
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