Boiler house Heat recovery systems
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Local regulations may restrict the use of this product to below the conditions quoted. In the interests of development and improvement of the product, we reserve the right to change the specification without notice. © Copyright 2017
TI-P404-03 EMM Issue 11
FV Flash Vessel
Description The Spirax Sarco FV flash vessel is designed and constructed to ASME VIII DIV 1 2004 + ADD06. The design is free-draining which is essential in boiler blowdown applications. Applications These vessels are particularly suited to boiler blowdown heat recovery systems where efficient separation of the flash steam from the blowdown is essential to prevent contamination of the boiler feedtank and / or heat transfer surfaces. Spirax Sarco flash vessels are equally suited to condensate flash steam applications. Principal features: - Designed and constructed in compliance with the European Pressure Equipment Regulations 2014/68/EU. - Low separation velocity to produce drier steam. - Free-draining.
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Sizes and pipe connections Connections available as standard: Screwed connections to BS 21 taper. Flanged connections to EN 1092 PN16. Note: Vessels are available flanged to ASME B16.5 Class 150 or 300, or screwed NPT.
Model FV15 and FV18 shown
Limiting conditions Maximum design conditions (body) are 14 bar g @ 198 °C (saturation temperature of steam). Minimum design (operating) temperature
-10 °C
Cold hydraulic test pressure in accordance with European Pressure Equipment Directive 2014/68/EU. Note : Maximum design Pressure and Temperature can be further limited, lower than that stated on the nameplate depending on the chosen flange rating of the system. PN16 13.3 bar g @ 198 °C Class A150 13.8 bar g @ 198 °C
Note: These vessels will withstand full vacuum conditions.
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