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Evolv Industrial

Evolv Steam Boilers

Evolv "S" Series Boilers - ASME Code Section I High Pressure High Pressure Steam Boilers


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The EVOLV Industrial “S” Series boiler is designed ideally for high pressure process steam and steam heating applications, with a standard maximum allowable working pressure (MWAP) of 150 psig and engineered designs with an MWAP of up to 800 psig, all manufactured in accordance with Section I of the ASME Code. A key design and operating feature of the EVOLV Industrial “S” Series boiler is its’ ability to be operated under cold start conditions without concern for resultant thermal expansion and contraction and the damage typically experienced by other steel water tube boiler designs when operated in this manner. This operating feature means that using the EVOLV Industrial design for process and steam heating applications will result in greatly reduced standby losses associated with maintaining boilers in warm or hot standby modes. With its’ innovative pressure vessel and tube configuration, the boiler may be started under a cold condition and brought up to steam pressure typically in less than 12 minutes. The boiler carries a standard 25 year pressure vessel warranty covering any damage resulting from thermal expansion and contraction associated with this type of operation. In addition to the cold start capability of the boiler design, its’ low water volume also allows the boiler to respond rapidly to fluctuations in steam demand, allowing for fluid steam production transitioning as steam loads increase and decrease.

Another key to the EVOLV Industrial boiler pressure vessel design is the creation of five full length longitudinal gas passes which produce a greatly increased gas side heat transfer coefficient (hg) resulting in higher overall heat transfer coefficients (U) for the EVOLV heat exchanger design. As a result, the EVOLV Industrial “S” Series boiler operates at the highest available efficiency in the Water Tube Boiler market. Standard efficiency without the use of an economizer, at an operating pressure of 150 psig, has been field measured at 81%. This, combined with the heavily insulated casing / jacket design, with radiant heat losses of less than 0.5%, results in a very significant reduction in energy consumption and thus greatly increased fuel cost savings. Adding to this ability to operate the boiler from a cold start without concern for damages caused by thermal expansion and contraction offers the consulting engineer improved system design flexibility which will maximize fuel cost savings. EVOLV Industrial “S” Series high pressure steam boilers, the best choice for your central utility plant and process steam requirements.

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About Evolv Industrial

Steam, Water, and High-Temperature hot water boilers from 800 to 1600 HP and pressures up to 800 PSIG MAWP. Rapid start-up of just 13 minutes from cold start.

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