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12 Feb 2019

What's the difference between WNS series gas-fired (oil-fired) boilers and SZS series gas-fired

1. In terms of boiler body structure, WNS series gas-fired (oil-fired) boilers are fire tube boilers; SZS series gas-fired (oil-fired) boilers are water tube boilers;

2. In terms of boiler working pressure, if the boiler pressure is below 1.6Mpa, the choice is usually the WNS series gas-fired (oil-fired) boiler, if the boiler pressure is above 1.6Mpa, the SZS series gas-fired (oil-fired) boiler may be a better solution.  Some high-pressure boilers also adopted SZS series gas-fired (oil-fired) boiler's structure;

3. In terms of boiler capacity, due to the limitation of structural style and transportation, the rated evaporation of WNS series gas-fired (oil-fired) steam boiler usually is below 20 tph, the rated thermal power of WNS series gas-fired (oil-fired) hot water is below 14 MW;

4. In terms of installation method, the WNS series gas-fired (oil-fired) boiler is a packaged boiler. For the SZS series gas-fired (oil-fired) steam boiler, when the rated evaporation is under 35 tph, it is a package boiler, 40-55 tph is a shop-assembled boiler, and when above 55 tph is a field-assembled boiler; For the SZS series gas-fired (oil-fired) hot water boiler, when the rated thermal power is under 29MW, it is a package boiler, 29MW-58MW is a shop-assembled boiler, and when above 58MW is a field-assembled boiler.

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