FYL is a reliable Swing Check Valve manufacturer in China with a complete range of products and many styles. Focus on improving quality, reducing production costs, and benefiting customers. We look forward to becoming your partner and serving you sincerely.
Swing Check Valve
The FYL Swing Check Valve is opened and closed by the force generated by the flow of the medium itself in the pipeline, which belongs to an automatic valve. The check valve is used in the pipeline system, and its main function is to prevent the reverse flow of the medium, prevent the reverse rotation of the pump and its driving motor, and discharge the medium in the container. Widely used in pipelines in various working conditions such as petroleum, chemical, pharmaceutical, and electric power industries.
The valve flow is streamlined, low resistance .
The open-close part is control by medium itself to prevent back flow.
Products can be used in a variety of piping flange and flange standard and flange seal type, to meet a variety of engineering needs and user requirements.
Valve body variety, gasket can be based on actual conditions or user requirements reasonable matching, can be applied to a variety of pressure, temperature and medium conditions.
Closing impact small, and water hammer phenomenon is not easy to occur.
Pressure PN(MPa) |
Test Pressure(MPa) |
Working Temperature(℃) |
Medium |
||||
---|---|---|---|---|---|---|---|
Shell |
Seal |
WCB |
Cr5Mo |
1Cr18Ni12Mo2Ti |
1Cr18Ni9Ti |
||
1.6 |
2.4 |
1.8 |
≤425 |
≤550 |
≤220 |
≤200 |
Water, oil, steam, acidic medium |
2.5 |
3.8 |
2.8 |
|||||
4.0 |
6.0 |
4.4 |
|||||
6.4 |
9.6 |
7.1 |
|||||
10.0 |
15.0 |
11.0 |
- |
||||
16.0 |
24.0 |
17.6 |
|||||
25.0 |
37.5 |
27.5 |
DN |
L |
D |
D1 |
D2 |
|
n-d |
|||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
mm |
in |
DIN |
BS |
ANSI |
JIS |
DIN BS 10/16 |
ANSI |
JIS 5k/10k |
DIN BS 10/16 |
ANSI |
JIS 5k/10k |
DIN BS 10/16 |
ANSI |
JIS 5k/10k |
b |
DIN BS 10/16 |
ANSI |
JIS 5k/10k |
|||||||
25 |
|
160 |
|
|
|
115 |
115 |
|
|
|
85 |
85 |
|
|
|
65 |
|
|
|
16 |
4-14 |
4-14 |
|
|
|
32 |
|
180 |
|
|
|
135 |
135 |
|
|
|
100 |
100 |
|
|
|
78 |
|
|
|
16 |
4-18 |
4-18 |
|
|
|
40 |
1.5 |
200 |
|
165 |
|
145 |
145 |
127 |
|
|
100 |
100 |
99 |
|
|
85 |
88 |
78 |
|
16 |
4-18 |
4-18 |
4-16 |
|
|
50 |
2 |
230 |
203 |
203 |
203 |
160 |
160 |
152 |
130 |
155 |
125 |
125 |
121 |
105 |
120 |
100 |
102 |
99 |
96 |
16 |
4-18 |
4-18 |
4-19 |
4-15 |
4-19 |
65 |
2.5 |
290 |
216 |
216 |
216 |
180 |
180 |
178 |
155 |
175 |
145 |
145 |
140 |
130 |
140 |
120 |
122 |
118 |
116 |
18 |
4-18 |
4-18 |
4-19 |
4-15 |
4-19 |
80 |
3 |
310 |
241 |
241 |
241 |
195 |
195 |
191 |
180 |
185 |
160 |
160 |
152 |
145 |
150 |
135 |
138 |
129 |
126 |
20 |
8-18 |
8-18 |
4-19 |
4-18 |
8-19 |
100 |
4 |
350 |
292 |
292 |
292 |
215 |
215 |
229 |
200 |
210 |
180 |
180 |
191 |
165 |
175 |
155 |
158 |
168 |
154 |
20 |
8-18 |
8-18 |
8-19 |
8-18 |
8-19 |
125 |
5 |
400 |
330 |
330 |
330 |
245 |
245 |
254 |
235 |
250 |
210 |
210 |
216 |
200 |
210 |
185 |
188 |
193 |
182 |
22 |
8-18 |
8-23 |
8-23 |
8-18 |
8-23 |
150 |
6 |
480 |
356 |
356 |
356 |
280 |
280 |
279 |
265 |
280 |
240 |
240 |
241 |
230 |
240 |
210 |
212 |
213 |
212 |
24 |
8-23 |
8-23 |
8-23 |
8-18 |
8-23 |
200 |
8 |
500 |
495 |
495 |
495 |
335 |
335 |
343 |
320 |
330 |
295 |
295 |
299 |
280 |
290 |
265 |
268 |
271 |
262 |
26 |
8-23 |
12-23 |
8-29 |
8-22 |
12-23 |
250 |
10 |
550 |
622 |
622 |
622 |
395 |
405 |
406 |
385 |
400 |
350 |
355 |
362 |
345 |
355 |
320 |
320 |
332 |
324 |
30 |
12-23 |
12-28 |
12-26 |
12-22 |
12-25 |
300 |
12 |
650 |
698 |
696 |
696 |
445 |
460 |
483 |
430 |
445 |
400 |
410 |
432 |
390 |
400 |
375 |
378 |
402 |
368 |
30 |
12-23 |
12-28 |
12-26 |
12-22 |
12-25 |