Cooling nozzle
airhollow-conestainless steel

cooling nozzle
cooling nozzle
cooling nozzle
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Characteristics

Function
cooling
Fluid
air
Stream
hollow-cone
Material
stainless steel
Applications
chemical
Other characteristics
discharge

Description

Delavan’s Bypass nozzle has won an Honours Award in the Vaaler Awards competition held by Chemical Processing magazine. The product was judged as a major contribution toward more efficient and effective operation of plants in chemical processing industries. APPLICATION - Evaporative cooling, chemical processing. FEATURES - Flow rate is changed by means of a bypass valve without varying the supply pressure of using atomising air or gas. (See flow diagram.) - Reduces the number of nozzles needed when gas inlet temperatures vary. - In a bypass system, a portion of the input liquid may be diverted through a return line by means of a bypass valve. As the valve is opened, the total input flow increases. Delavan’s Bypass nozzle’s patented design minimises this flow growth to avoid excessive pumping requirements and hydraulic power consumption. The input flow increase (when bypass valve is opened) can be as low as 15%. -Nozzle can be located in high temperature zone and connected by concentric piping to adaptor in cool area. SPRAY CHARACTERISTICS - Hollow cone spray pattern. - “Turndown” refers to the ratio of the maximum discharge (bypass valve closed) to the minimum flow (bypass valve open) while maintaining satisfactory quality. Between these flow limits, there are no large fluctuations in spray angle or droplet size. - The quality of atomisation depends on nozzle capacity, turndown rating, and specific operating conditions. For example, a nozzle will produce finer droplets when the inlet pressure is higher than 42 Bar.G., and vice versa.

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