Vacuum Breakers
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Valsteam ADCA
Product code: A.57.5500.000
Vacuum Breaker ADCA VB21 when the steam system, female threaded
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Application
Saturated and superheated steam
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Body material
Stainless steel AISI 303
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Max. operating pressure
21 bar at 220 ºC
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Max. operating temperature
13 bar at 400 ºC
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ΔP required to open vacuum breaker
6,13 mbar
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Feature
Female threaded
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Outlet pipe connection
System: vertical connection 1/2"
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Inlet pipe connection
Air inlet: horizontal connection 1/8"
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Connections
Female threaded ISO 7 Rp A,
Female threaded NPT, on request
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Valsteam ADCA
Product code: A.57.5550.000
Vacuum Breaker ADCA VB21M when the steam system, male threaded
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Application
Saturated and superheated steam
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Body material
Stainless steel AISI 303
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Max. operating pressure
21 bar at 220 ºC
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Max. operating temperature
13 bar at 400 ºC
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ΔP required to open vacuum breaker
6,13 mbar
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Feature
Male threaded
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Outlet pipe connection
System: vertical connection 3/8” or 1/2”
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Inlet pipe connection
Air inlet: horizontal connection 1/8"
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Connections
Male threaded ISO 228 G,
Male threaded NPT, on request
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Valsteam ADCA
Product code: VB17X8VXXXB
Vacuum Breaker ADCA VB17
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Application
Saturated and superheated steam,
Gases compatible with the construction -
Body material
Stainless steel AISI 316L
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Air flow
Up to 220 m³/h
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Max. operating pressure
16 bar at 120 ºC,
9 bar (steam system) -
Max. operating temperature
200 ºC at 12 bar
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Min. operating temperature
-60 ºC
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Valve seals
EPDM – Tmin -40 ºC / Tmax 150 ºC,
PTFE – Tmin -60 ºC / Tmax 180 ºC,
FPM / Viton – Tmin -10 ºC / Tmax 200 ºC -
Regulating range
-0,05 to -0,95 bar
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Connections
Male threaded ISO 228,
Male threaded NPT ASME B1.20.1, on request,
Flanged EN 1092-1 PN40 (threaded flange), on request,
Flanged ASME B16.5 Class 150 (threaded flange), on request.
Dimension:
1/2" – 2"; DN15 – DN50Price according to configurationAvailable on requestMore about the product -
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Valsteam ADCA
Product code: A.57.5610.015
Vacuum Breaker ADCA VB16
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Application
Saturated and superheated steam,
Gases compatible with the construction -
Body material
Stainless steel AISI 316
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Air flow
Up to 40 m³/h
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Max. operating pressure
16 bar at 120 ºC
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Max. operating temperature
150 ºC at 12 bar
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Valve seals
Viton
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Regulating range
0,05 to 0,50 bar
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Connections
Male threaded ISO 228
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