Bellows Sealed Stop Valves
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Overblik
Spirax Sarco SafeBloc™ er en dobbeltisoleringsløsning med et unikt pladsbesparende design, der giver kortere installationstid og færre lækager.
Spirax Safebloc er hurtigere og nemmere at installere end en traditionel double block & bleed, har et innovativt design, som inkorporerer to bælgforseglede isolationsventiler og en udluftningsport i én kompakt enhed.
Spirax Safebloc™ er let at bruge og idriftsætte, og den kan installeres uden ændringer i rørsystemet i det rum, der efterlades af en eksisterende enkelt isolationsventil.
DBB3 Double Block and Bleed Bellows Sealed Stop Valve
Technical Information
Size and pipe connections |
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DN15, DN20, DN25, DN40, DN50, DN65, DN80 and DN100. |
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Flanged EN 1092 PN40 or ANSI B 16.5 Class 300. |
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Face-to-face dimensions conform to BS EN 558:2008. |
Pressure/temperature limits (ISO 6552) PN40 |
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Body design conditions |
PN40 |
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PMA Maximum allowable pressure |
40 bar g @ 0 °C |
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TMA Maximum allowable temperature |
400 °C @ 24 bar g |
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Minimum allowable temperature |
-10 °C |
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PMO Maximum operating pressure for saturated steam service |
30.4 bar g |
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TMO Maximum operating temperature |
400 °C @ 24 bar g |
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Minimum operating temperature (Note: For lower operating temperatures consult Spirax Sarco) |
-10 °C |
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Designed for a maximum cold hydraulic test pressure of: |
60 bar g |
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ANSI 300 |
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Body design conditions |
ANSI 300 |
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PMA Maximum allowable pressure |
51 bar g @ 37.7 °C |
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TMA Maximum allowable temperature |
425 °C @ 28 bar g |
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Minimum allowable temperature |
-29 °C |
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PMO Maximum operating pressure for saturated steam service |
41.6 bar g |
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TMO Maximum operating temperature |
425 °C @ 28 bar g |
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Minimum operating temperature (Note: For lower operating temperatures consult Spirax Sarco) |
-29 °C |
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Designed for a maximum cold hydraulic test pressure of: |
77 bar g |
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Typical Installation
Teknisk information
Dokument
Spirax SafeBloc DBB3 Double Block and Bleed Bellows Sealed Stop Valve
Sprog
English
Referencenummer
TI-P184-08
Download
Installationsmanualer
Dokument
Spirax SafeBloc DBB3 Double Block and Bleed Bellows Sealed Stop Valve
Sprog
English
Referencenummer
IM-P184-09
Download
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