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.
Excalibur Check Valve Features: Silent Check Valve ANSI face-to-face dimensions
Spring-assisted silent closing
2" to 24" line size
ANSI 150 to 1500
WCB, 316 SS & other alloy bodies
316 SS Trim
Center guided
Horizontal or vertical installation
Two piece design
Carbon Steel
Body with 316 Stainless Steel Trim
ANSI RF Flanged Ends
Class 150 RF
2"
2-1/2"
3"
4"
6"
8"
10"
12"
16"
24"
A
8"
8-1/2"
9-1/2"
11-1/2"
14"
19-1/2"
24-1/2"
27-1/2"
34"
51"
B
6"
7"
7-1/2"
9"
11"
13-1/2"
16"
19"
23-1/2"
32"
Weight
22
30
37
64
114
207
317
457
830
1851
CV
65
105
155
265
685
1050
1650
2400
5200
11300
Class 300 RF
2"
2-1/2"
3"
4"
6"
8"
10"
12"
14"
20"
A
10-1/2"
11-1/2"
12-1/2"
14"
17-1/2"
21"
24-1/2"
28"
33"
40"
B
6-1/2"
7-1/2"
8-1/4"
10"
12-1/2"
15"
17-1/2"
20-1/2"
23"
30-1/2"
Weight
29
42
52
92
177
285
456
696
725
2375
CV
65
105
155
265
685
1050
1650
2400
3600
7850
Class 600 RF
2"
3"
4"
6"
8"
10"
12"
A
11-1/2"
14"
17"
22"
26"
31"
33"
B
6-1/2"
8-1/4"
10-3/4"
14"
16-1/2"
20"
22"
Weight
35
69
138
300
481
981
1320
CV
65
155
265
584
985
1650
2400
Class 900 RF
2"
3"
4"
6"
8"
10"
A
14-1/2"
15"
18"
24"
29"
33"
B
8-1/2"
9-1/2"
11-1/2"
15"
18-1/2"
21-1/2"
Weight
81
155
176
780
1250
1650
CV
51
138
242
512
777
1449
Class 1500 RF
2"
3"
4"
6"
8"
A
14-1/2"
18-1/2"
21-1/2"
27-3/4"
32-3/4"
B
8-1/2"
10-1/2"
12-1/4"
15-1/2"
19"
Weight
81
158
267
780
1270
CV
51
109
187
512
777
316 Stainless Steel Body with 316
Stainless Steel Trim
ANSI RF Flanged Ends