Derex, Inc.

DFT: Check Valves:

Excalibur® Flanged Check Valve


DFT Excalibur Flanged Check Valve
  • 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.

Documentation:
Product Specifications
(145KB PDF)

DFT Valve 		DFT Certification
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EXCALIBUR FLANGED CHECK VALVES
Part #ClassSizeDimension ADimension BCvCracking
Pressure CP		Body
222H1A4A3150DN 50
2 in		8.00 in
203 mm		6.00 in
152 mm		650.64 psig
0.044 bar		A216 Grade WCB
222J1A4A3150DN 65
2.5 in		8.50 in
216 mm		7 in
178 mm		1050.44 psig
0.030 bar		A216 Grade WCB
222K1A4A3150DN 80
3 in		9.50 in
241 mm		7.50 in
191 mm		1550.26 psig
0.018 bar		A216 Grade WCB
222L1A4A3150DN 100
4 in		11.50 in
292 mm		9 in
229 mm		2650.6 psig
0.041 bar		A216 Grade WCB
222N1A4A3150DN 150
6 in		14 in
356 mm		11 in
279 mm		6850.40 psig
0.028 bar		A216 Grade WCB
222O1A4A3150DN 200
8 in		19.50 in
495 mm		13.50 in
343 mm		10500.58 psig
0.040 bar		A216 Grade WCB
222P1A4A3150DN 250
10 in		24.50 in
622 mm		16 in
406 mm		16500.52 psig
0.036 bar		A216 Grade WCB
222R1A4A3150DN 300
12 in		27.50 in
699 mm		19 in
483 mm		24000.53 psig
0.037 bar		A216 Grade WCB
222S1A4A3150DN 350
14 in		31 in
787 mm		21 in
533 mm		36000.28 psig
0.019 bar		A216 Grade WCB
222T1A4A3150DN 400
16 in		34 in
864 mm		23.50 in
597 mm		52000.51 psig
0.035 bar		A216 Grade WCB
222X1A4A3150DN 600
24 in		51 in
1295 mm		32 in
813 mm		113000.42 psig
0.029 bar		A216 Grade WCB
222H1B4A3300DN 50
2 in		10.50 in
267 mm		6.50 in
165 mm		650.64 psig
0.044 bar		A216 Grade WCB
222J1B4A3300DN 65
2.5 in		51 in
1295 mm		32 in
813 mm		113000.42 psig
0.029 bar		A216 Grade WCB
222H1B4A3300DN 50
2 in		11.50 in
292 mm		7.50 in
191 mm		1050.37 psig
0.026 bar		A216 Grade WCB
222K1B4A3300DN 80
3 in		12.50 in
318 mm		8.25 in
210 mm		1550.26 psig
0.018 bar		A216 Grade WCB
222L1B4A3300DN 100
4 in		14 in
356 mm		10 in
254 mm		2650.41 psig
0.028 bar		A216 Grade WCB
222N1B4A3300DN 150
6 in		17.50 in
445 mm		12.50 in
318 mm		6850.40 psig
0.028 bar		A216 Grade WCB
222O1B4A3300DN 200
8 in		21 in
533 mm		15 in
381 mm		10500.6 psig
0.041 bar		A216 Grade WCB
222P1B4A3300DN 250
10 in		24.50 in
622 mm		17.50 in
445 mm		16500.52 psig
0.036 bar		A216 Grade WCB
222R1B4A3300DN 300
12 in		28 in
711 mm		20.50 in
521 mm		24000.53 psig
0.037 bar		A216 Grade WCB
222S1B4A3300DN 350
14 in		33 in
838 mm		23 in
584 mm		36000.28 psig
0.019 bar		A216 Grade WCB
222W1B4A3300DN 500
20 in		40 in
1016 mm		30.50 in
775 mm		78500.5 psig
0.034 bar		A216 Grade WCB
222H1C4A3600DN 50
2 in		11.50 in
292 mm		6.50 in
165 mm		650.64 psig
0.044 bar		A216 Grade WCB
222K1C4A3600DN 80
3 in		14 in
356 mm		8.25 in
210 mm		1550.26 psig
0.018 bar		A216 Grade WCB
222L1C4A3600DN 100
4 in		17 in
432 mm		10.75 in
273 mm		2650.51 psig
0.035 bar		A216 Grade WCB
222N1C4A3600DN 150
6 in		22 in
559 mm		14 in
356 mm		5840.73 psig
0.050 bar		A216 Grade WCB
222O1C4A3600DN 200
8 in		26 in
660 mm		16.50 in
419 mm		9850.67 psig
0.046 bar		A216 Grade WCB
222P1C4A3600DN 250
10 in		31 in
787 mm		20 in
508 mm		16500.47 psig
0.032 bar		A216 Grade WCB
Part #ClassSizeDimension ADimension BCvCracking
Pressure CP		Body
222R1C4A3600DN 300
12 in		33 in
838 mm		22 in
559 mm		24000.5 psig
0.034 bar		A216 Grade WCB
222H1D4A3900DN 50
2 in		14.50 in
368 mm		8.50 in
216 mm		510.85 psig
0.059 bar		A216 Grade WCB
222K1D4A3900DN 80
3 in		15 in
381 mm		9.50 in
241 mm		1380.22 psig
0.015 bar		A216 Grade WCB
222L1D4A3900DN 100
4 in		18 in
457 mm		11.50 in
292 mm		2420.58 psig
0.040 bar		A216 Grade WCB
222N1D4A3900DN 150
6 in		24 in
610 mm		15 in
381 mm		5120.83 psig
0.057 bar		A216 Grade WCB
222O1D4A3900DN 200
8 in		29 in
737 mm		18.50 in
470 mm		7770.54 psig
0.037 bar		A216 Grade WCB
222P1D4A3900DN 250
10 in		33 in
838 mm		21.50 in
546 mm		14490.58 psig
0.040 bar		A216 Grade WCB
222H1E4A31500DN 50
2 in		14.50 in
368 mm		8.50 in
216 mm		510.85 psig
0.059 bar		A216 Grade WCB
222L1E4A31500DN 100 4 in21.50 in
546 mm		12.25 in
311 mm		1870.74 psig
0.051 bar		A216 Grade WCB
222N1E4A31500DN 150
6 in		27.75 in
705 mm		15.50 in
394 mm		5120.83 psig
0.057 bar		A216 Grade WCB
222O1E4A31500DN 200
8 in		32.75 in
832 mm		19 in
483 mm		7770.83 psig
0.057 bar		A216 Grade WCB
222P1E4A31500DN 250
10 in		N/AN/AN/AN/AA216 Grade WCB
225H1A4A3150DN 50
2 in		8.00 in
203 mm		6.00 in
152 mm		650.64 psig
0.044 bar		A351 CF8M
225J1A4A3150DN 65
2.5 in		8.50 in
216 mm		7 in
178 mm		1050.44 psig
0.030 bar		A351 CF8M
225K1A4A3150DN 80
3 in		9.50 in
241 mm		7.50 in
191 mm		1550.26 psig
0.018 bar		A351 CF8M
225L1A4A3150DN 100
4 in		11.50 in
292 mm		9 in
229 mm		2650.6 psig
0.041 bar		A351 CF8M
225N1A4A3150DN 150
6 in		14 in
356 mm		11 in
279 mm		6850.40 psig
0.028 bar		A351 CF8M
225O1A4A3150DN 200
8 in		19.50 in
495 mm		13.50 in
343 mm		10500.58 psig
0.040 bar		A351 CF8M
225P1A4A3150DN 250
10 in		24.50 in
622 mm		16 in
406 mm		16500.52 psig
0.036 bar		A351 CF8M
225R1A4A3150DN 300
12 in		27.50 in
699 mm		19 in
483 mm		24000.53 psig
0.037 bar		A351 CF8M
225S1A4A3150DN 350
14 in		31 in
787 mm		21 in
533 mm		36000.28 psig
0.019 bar		A351 CF8M
225T1A4A3150DN 400
16 in		34 in
864 mm		23.50 in
597 mm		52000.51 psig
0.035 bar		A351 CF8M
225X1A4A3150DN 600
24 in		51 in
1295 mm		32 in
813 mm		113000.42 psig
0.029 bar		A351 CF8M
225H1B4A3300DN 50
2 in		10.50 in
267 mm		6.50 in
165 mm		650.64 psig
0.044 bar		A351 CF8M
225J1B4A3300DN 65
2.5 in		11.50 in
292 mm		7.50 in
191 mm		1050.37 psig
0.026 bar		A351 CF8M
225K1B4A3300DN 80
3 in		12.50 in
318 mm		8.25 in
210 mm		1550.26 psig
0.018 bar		A351 CF8M
225L1B4A3300DN 100
4 in		14 in
356 mm		10 in
254 mm		2650.41 psig
0.028 bar		A351 CF8M
225N1B4A3300DN 150
6 in		17.50 in
445 mm		12.50 in
318 mm		6850.40 psig
0.028 bar		A351 CF8M
225O1B4A3300DN 200
8 in		21 in
533 mm		15 in
381 mm		10500.6 psig
0.041 bar		A351 CF8M
225P1B4A3300DN 250
10 in		24.50 in
622 mm		17.50 in
445 mm		16500.52 psig
0.036 bar		A351 CF8M
Part #ClassSizeDimension ADimension BCvCracking
Pressure CP		Body
225R1B4A3300DN 300
12 in		28 in
711 mm		20.50 in
521 mm		24000.53 psig
0.037 bar		A351 CF8M
225S1B4A3300DN 350
14 in		33 in
838 mm		23 in
584 mm		36000.28 psig
0.019 bar		A351 CF8M
225W1B4A3300DN 500
20 in		40 in
1016 mm		30.50 in
775 mm		78500.5 psig
0.034 bar		A351 CF8M
225H1C4A3600DN 50
2 in		11.50 in
292 mm		6.50 in
165 mm		650.64 psig
0.044 bar		A351 CF8M
225K1C4A3600DN 80
3 in		14 in
356 mm		8.25 in
210 mm		1550.26 psig
0.018 bar		A351 CF8M
225L1C4A3600DN 100
4 in		17 in
432 mm		10.75 in
273 mm		2650.51 psig
0.035 bar		A351 CF8M
225N1C4A3600DN 150
6 in		22 in
559 mm		14 in
356 mm		5840.73 psig
0.050 bar		A351 CF8M
225O1C4A3600DN 200
8 in		26 in
660 mm		16.50 in
419 mm		9850.67 psig
0.046 bar		A351 CF8M
225P1C4A3600DN 250
10 in		31 in
787 mm		20 in
508 mm		16500.47 psig
0.032 bar		A351 CF8M
225R1C4A3600DN 300
12 in		33 in
838 mm		22 in
559 mm		24000.5 psig
0.034 bar		A351 CF8M
225H1D4A3900DN 50
2 in		14.50 in
368 mm		8.50 in
216 mm		510.85 psig
0.059 bar		A351 CF8M
225K1D4A3900DN 80
3 in		15 in
381 mm		9.50 in
241 mm		1380.22 psig
0.015 bar		A351 CF8M
225L1D4A3900DN 100
4 in		18 in
457 mm		11.50 in
292 mm		2420.58 psig
0.040 bar		A351 CF8M
225N1D4A3900DN 150
6 in		24 in
610 mm		15 in
381 mm		5120.83 psig
0.057 bar		A351 CF8M
225O1D4A3900DN 200
8 in		29 in
737 mm		18.50 in
470 mm		7770.54 psig
0.037 bar		A351 CF8M
225P1D4A3900DN 250
10 in		33 in
838 mm		21.50 in
546 mm		14490.58 psig
0.040 bar		A351 CF8M
225H1E4A31500DN 50
2 in		14.50 in
368 mm		8.50 in
216 mm		510.85 psig
0.059 bar		A351 CF8M
225K1E4A31500DN 80
3 in		18.50 in
470 mm		10.50 in
267 mm		1090.28 psig
0.019 bar		A351 CF8M
225L1E4A31500DN 100
4 in		21.50 in
546 mm		12.25 in
311 mm		1870.74 psig
0.051 bar		A351 CF8M
225N1E4A31500DN 150
6 in		27.75 in
705 mm		15.50 in
394 mm		5120.83 psig
0.057 bar		A351 CF8M
225O1E4A31500DN 200
8 in		32.75 in
832 mm		19 in
483 mm		7770.83 psig
0.057 bar		A351 CF8M
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