Swing Type Metal Check Valve
Purpose
The Swing Type Check Valve, often referred to as an H44H/Y/W check valve, serves a crucial purpose within various industrial applications. Its primary function is to control the flow of fluids, such as liquids or gases, within a piping system. This valve is designed to permit the unidirectional flow of fluids while effectively preventing any backflow.
Metal Valves Product Range
Petron Thermoplast
Custom Product Manufacturing Available
If you are searching for customized product designs that meet your requirements, don’t worry. Petron Thermoplast also offers custom product manufacturing services to meet the unique needs of various industries. Work with our expert engineers to create custom designs suited for your application.
Features
- Swing type check valves allow fluid to flow in one direction while preventing reverse flow. This unidirectional flow control is their primary function and a critical feature.
- These valves typically have a swing disc or flap that swings open in the direction of flow and closes under the influence of gravity and backflow pressure. This design ensures a tight seal when needed.
- Swing type check valves are known for their low pressure drop characteristics. When the valve is fully open, it creates minimal resistance to flow, which is advantageous for maintaining efficient system performance.
Main Performance Parameters
|
PN |
2.5 |
4.0 |
6.4 |
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|
Shell Strength Test Pressure |
3.75 |
6.0 |
9.6 |
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Sealing Test (Liquid) |
2.75 |
4.4 |
7.0 |
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Sealing Test (Gas) |
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Suitable media |
C |
P |
R |
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Water, Oil, Steam |
Corrosive medium |
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Suitable Temperature |
≤425 |
≤200 |
≤200 |
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Executive Standard
- Design and manufacture: GB/T12236.
- Flange standard: JB/T79.
- Structural length: GB/T12221.
- Test and inspection: JB/T9092.
Main Part Materials
| Title Of Parts | Material | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Body, Bonnet, Disc |
Carbon steel, Stainless steel |
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|
Stem |
Stainless steel |
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Sealing |
Stainless Steel, Hard alloy |
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|
Gasket |
Flexible graphite |
Main dimensions
| PN2.5(MPa) | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
DN |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
400 |
500 |
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|
L |
230 |
290 |
310 |
350 |
400 |
480 |
500 |
650 |
750 |
850 |
950 |
1150 |
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|
H |
160 |
175 |
185 |
220 |
248 |
276 |
350 |
410 |
430 |
518 |
560 |
618 |
| PN4.0(MPa) | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
DN |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
400 |
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|
L |
230 |
290 |
310 |
350 |
400 |
480 |
500 |
650 |
750 |
850 |
1150 |
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|
H |
169 |
173 |
185 |
220 |
248 |
270 |
342 |
401 |
423 |
455 |
616 |
| PN6.4(MPa) | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
DN |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
400 |
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|
L |
300 |
340 |
380 |
430 |
500 |
550 |
650 |
775 |
900 |
1025 |
950 |
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|
H |
177 |
197 |
1212 |
248 |
296 |
330 |
385 |
445 |
474 |
514 |
510 |
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