Butt Welded Check Valve, Cast Steel, ANSI B16.25
Key Specifications / Features
Detail Information
Butt welded check valve is used to avoid back flow of medium in pipeline. It depends on the flow of medium to open or close. It is one of automatic check valve. Butt welded check valve allows medium to flow in only one direction.
Standards
Design: ANSIB16.34, API 6D, BS 11868
Face to face: ANSI B16.10, API 6D
Butt welded end: ANSI B16.25
Testing & inspection: ANSI B16.25
|
Materials |
Body/bonnet |
Cast steel |
|
Disc |
Stainless steel |
|
|
Seal face |
Stainless steel |
|
|
Gasket |
Flexible graphite |
Dimensions
|
Nominal Diameter(mm) |
15 |
20 |
25 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
|
d1 |
13 |
19 |
25 |
38 |
64 |
64 |
76 |
102 |
127 |
152 |
203 |
|
L |
108 |
117 |
127 |
165 |
191 |
191 |
203 |
229 |
356 |
394 |
457 |
|
H |
59 |
63 |
75 |
95 |
142 |
142 |
152 |
178 |
252 |
272 |
342 |
|
W |
130 |
130 |
160 |
230 |
400 |
400 |
400 |
650 |
1050 |
1050 |
1410 |
|
Wt(kg) |
2.5 |
3 |
5 |
7 |
15 |
19 |
19 |
33 |
58 |
93 |
160 |
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