MULTIPLE NOZZLE SPRAY DESUPERHEATER MNSD-V & MNSD-U
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MULTIPLE NOZZLE SPRAY DESUPERHEATER MNSD-V & MNSD-U - 1

MULTIPLE NOZZLE SPRAY DESUPERHEATER ©COPES VULCAN*

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MULTIPLE NOZZLE SPRAY DESUPERHEATER MNSD-V & MNSD-U - 2

Celeros Flow Technology is a full- lifecycle partner for sustainable flow technology solutions, from initial design and installation of equipment to after sales support, throughout an asset's full operational lifecycle. Celeros FT’s products and technologies support many different sources of power generation, including coal and natural gas, nuclear, solar and geothermal. The company's innovative product portfolio, containing many energy efficient products, includes valves, pumps and filters. Celeros FT manufactures the Copes-Vulcan general service and severe duty control valves, desuperheaters...

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MULTIPLE NOZZLE SPRAY DESUPERHEATER MNSD-V & MNSD-U - 3

TYPICAL PRODUCT APPLICATIONS DESIGN AND PRINCIPLE OF OPERATION Pulp & Paper The MNSD-V consists essentially of a cage-guided plug situated within the nozzle tube just behind the discharge nozzles. The nozzle tube assembly fits up into the bore of the mounting flange and is locked in place with a threaded ring. This junction enables the cooling water inlet connection to orient in any direction relative to the position of the discharge nozzle spray at time of assembly. * Field alteration of this orientation is also quite easy. DISCHARGE NOZZLES The MNSD-V Desuperheater head offers a means of...

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MULTIPLE NOZZLE SPRAY DESUPERHEATER MNSD-V & MNSD-U - 4

COOLING WATER As the plug is extended by the actuator under the The cooling water is admitted to the nozzle tube signals of the temperature control loop, cooling assembly through the branch in the mounting head. water is throttled at each exposed nozzle through It reaches the lower portion of the nozzle tube assembly as the plug exposes the nozzles. With the plug seated, flow charaterization slots located just prior to the discharge nozzles. no cooling water can reach the discharge nozzles. Cooling Water OPTIMUM DESUPERHEATER EFFICIENCY The spray from the first discharge nozzle, and typically...

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MULTIPLE NOZZLE SPRAY DESUPERHEATER MNSD-V & MNSD-U - 5

SIZING SELECTION The MNSD-V/MNSD-U and all Copes-Vulcan desuperheaters can be sized by Copes-Vulcan or an authorized sales representative using SmartSize computer sizing program to assure correct application.

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MULTIPLE NOZZLE SPRAY DESUPERHEATER MNSD-V & MNSD-U - 6

INSTALLATION RECOMMENDATIONS TYPICAL INFORMATION REQUIRED TO SIZE: For optimum control and performance, apply the • Process steam flow rates following guidelines: • Process steam pressure • Process steam temperature (superheated) • If the difference between the cooling medium an • Desired process steam temperature (desuperheated) the header vapor temperature is greater than 450˚F (250˚C), and if the main header wall thickness • Available cooling water pressure is greater than .5" (12mm), a thermal liner is • Available cooling water temperature recommended. • Process steam line size and...

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MULTIPLE NOZZLE SPRAY DESUPERHEATER MNSD-V & MNSD-U - 7

DIRECT ACTING (SPRING-TO-CLOSE) REVERSE ACTING (SPRING-TO-OPEN) 3" (80MM) MOUNTING FLAGE SIZE MAIN HEADER SIZE

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MULTIPLE NOZZLE SPRAY DESUPERHEATER MNSD-V & MNSD-U - 8

MNSD-V & MNSD-U MULTIPLE NOZZLE SPRAY DESUPERHEATER QCOPES VULCAN* SPEED I EXCELLENCE I PARTNERSHIP Road Two Industrial Estate Winsford, Cheshire CW7 3QL England P: +44 1606 552041 F: +44 1606 558275 E: copeinquires@celerosft.com Celeros Flow Technology reserves the right to incorporate our latest design and material changes without notice or obligation. Design features, materials of construction, and dimensional data, as described in this bulletin, are provided for your information only and should not be relied upon unless confirmed in writing. Please contact your local sales...

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