Recommended Ratio Values for Selection of Drain Valves
Recommended Ratio Values for Selection of Drain Valves
The main Ball valve product names of China Ball valve Network include:Adjustable Thermostatic-type Steam Trap Valve,Adjustable BimeTalic-type Steam Trap Valve,Air Trap ValveAutomatic Air Trap Valve,Adjustable Bimetalic Temperature-regulating-type Steam Trap Valve,Bell-shaped Float-type Steam Trap Valve,Bell-shaped Float-type (Inverted Bucket)Steam Trap Valve,Bimetalic Type Steam Trap Valve,
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Usage occasions |
Usage requirements |
Select magnification ratio |
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Lower part of the cylinder |
Under various pressures, it should be able to quickly remove condensed water |
3 |
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Steam supervisor |
Before every 100m of pipeline or control valve, drainage points should be set up at pipeline bends, main pipe ends, etc |
3 |
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Branch pipe |
Drainage points should be set up in front of various control valves with branch pipe lengths greater than or equal to 5m |
3 |
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Soda water separator |
Drainage at the lower part of the soda water separator |
3 |
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Heat tracing tube |
Generally, a drainage point is set at a DN of 15mm for the heat tracing pipe |
2 |
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Warm air blower Single coil heating liquid Multiple parallel coils for heating liquids Drying room (box) |
When the pressure remains constant |
3 |
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When the pressure is adjustable, it is less than 0.1MPa |
2 |
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0.1～0.2MPa |
2 |
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0.2～0.6MPa |
3 |
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Lithium bromide refrigeration equipment evaporator Heating coil immersed in liquid |
Rapid heating |
3 |
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No need for rapid heating |
2 |
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Tubular heat exchanger |
When the pressure remains constant |
2 |
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Jacketed pot Single effect multi effect evaporator |
When the pressure is adjustable |
2 |
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Single effect, pressure ≤ 0.1MPa |
3 |
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Laminating machine Sterilizer |
Dual effect, pressure ≤ 1MPa |
2 |
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When the pressure remains constant |
3 |
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Rotary drying drum Usage occasions Lower part of the cylinder |
When the pressure is adjustable, it ranges from 0.1 to 0.2 MPa |
2 |
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＞0.2MPa |
2 |
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Siphon drainage |
3 |
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When the pressure remains constant |
5 |
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Steam supervisor Branch pipe Soda water separator Heat tracing tube |
When the pressure is adjustable, it is less than 0.1MPa |
2 |
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0.1～0.2MPa |
2 |
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＞0.2MPa |
2 |
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An air vent valve must be installed above the jacket steel |
3 |
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Warm air blower |
Condensed water volume ＜ 21t/h |
3 |
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Single coil heating liquid Multiple parallel coils for heating liquids |
＞21t/h |
3 |
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Should be layered hydrophobic |
2 |
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Drying room (box) |
Install an exhaust valve above the cabinet |
3 |
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Lithium bromide refrigeration equipment evaporator |
Surface linear velocity<30m/s |
3 |
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Heating coil immersed in liquid Tubular heat exchanger Jacketed pot |
30～80m/s |
5 |
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80～100m/s |
8 |
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The diameter of the tank should ensure that the secondary steam velocity is ≤ 5m/s, and an air discharge valve should be installed on the upper part of the tank |
10 |
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Single effect multi effect evaporator |
Usage requirements |
3 |
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