calculation and selection
Data sheet
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Model
SV 4421
Manufacturer
Country
Japan
Allowable working fluids
Water | Steam | Compressed air
Function
protects the system from exceeding the set pressure limit
Action
opens when the set pressure is exceeded
Working position
normally closed
Tmax (for water)
200 °C
Tmin (for water)
-10 °C
Connection type
flanged
Body material
cast iron
technical
specifications
price
| DN mm inlet |
DN mm outlet |
Pср bar |
price |
|---|---|---|---|
| 20 | 32 | 0.20 - 13 |
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| 20 | 40 | 0.20 - 13 |
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| 25 | 40 | 0.20 - 13 |
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| 32 | 50 | 0.20 - 13 |
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| 40 | 65 | 0.20 - 13 |
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| 50 | 80 | 0.20 - 13 |
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| 65 | 100 | 0.20 - 13 |
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| 80 | 125 | 0.20 - 13 |
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| 100 | 150 | 0.20 - 13 |
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| 125 | 200 | 0.20 - 13 |
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| 150 | 250 | 0.20 - 13 |
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DN inlet - nominal diameter of inlet port, mm.
DN outlet - nominal diameter of outlet port, mm.
Pср - activation pressure, bar.
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