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Welcome to ZOZEN

ZOZEN is one of the best modern boiler manufacturers in China, our products include steam boilers, hot water boilers and thermal oil heaters. ZOZEN boiler is located in Wuxi, covers 150 thousand square meters of production area, equipped with first-class production equipment, passed the ISO9001:2000 international quality system certification. The company gained the " S " and " U " steel seal from ASME of US.

Customer service

If you run into any problems with the boiler, please contact us directly by email or fill out the online service request. We will do our best to resolve any problems you might have within 24 hours.

In case of special condition, ZOZEN will forward your request to one of its partnered sales representatives depending on the country and state. The local maintenance personnel will arrive at the customer site as soon as possible.


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EPA announces $15M in grant funding to benefit rural and small water systems. Funding will be used by nonprofit organizations to provide small public drinking water and wastewater systems with training and technical assistance to achieve and maintain compliance with the Safe Drinking Water Act and the Clean Water

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steam boiler defini

Steam-boiler definition and meaning Collins English Steam-boiler definition: a vessel in which water is boiled to generate steam . An industrial boiler usually Meaning, pronunciation, translations and

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Albion Mainsflow Alternative Thermal Store Cylinder

The Primary water is stored in the cylinder and heated by either a boiler or immersion heater. When heated by a boiler the water can also be pumped round the radiators to provide space heating. The Secondary water comes directly from the mains and passes through a specially designed heat exchanger which draws heat from the Thermal Store.

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Design principles for hydronic heating syste

2010-12-7 · Design principles for hydronic heating systems Design principles for hydronic heating systems time and pump a lot of water even though the heating demand is very small. This system also requires extra equipment to operate. Before each heater or radiator, there

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Estimating Daily Domestic Hot- Water Use in Nort

2015-7-2 · Estimating Daily Domestic Hot-Water Use in North American Homes Danny S. Parker Philip Fairey JamesD.Lutz,PE Member ASHRAE Member ASHRAE Danny S. Parker is principal research scientist and Philip Fairey is Deputy Director at Florida Solar Energy Center, Cocoa, FL. James D. Lutz is a consultant in Oakland, CA. AT-15-021

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Piping - Recommended Insulation Thickne

2019-10-4 · To avoid heat loss and reduced system efficiency - pipe work in heating systems should always be insulated. Very hot systems, like hot water and steam systems should also be insulated to avoid potential personal injuries. The table below indicates recommended insulation thickness.

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Overall Heat Transfer Coefficients for Fluids - Hea

2019-10-4 · The overall heat transfer coefficient is used to calculate total heat transfer through a wall or heat exchanger construction. The overall heat transfer coefficient depends on the fluids and their properties on both sides of the wall, the properties of the wall and the transmission surface.

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Section 10: Glossary of Terms - hvacrassets.n

2016-6-11 · auses pitting of pump impellers. Condition caused when a portion of water or other liquid entering the eye of a pump impeller flashes into steam or vapor bubbles. C. Celsius (Centigrade) normal atmospheric pressure. ugal . Temperature scale commonly used with the metric system of measurements. The freezing point of water on this scale is 0°

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(PDF) Air source heat pump water heaters i

To examine this issue, this research study sought to identify key performance parameters for air source heat pump water heaters (ASHPWH) in residential buildings in Australia by using a

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Mainsflow Thermal Store - Kingsp

2012-2-21 · Mainsflow Thermal Store Mainsflow is a thermal storage system, able to supply balanced mains pressure hot water and suitable for use in both new build and existing properties. Mainsflow combines the advantage of mains pressure hot water with the safety of traditional open vent storage in one versatile system.

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[Hot Item] Heat Exchanger for Solar Water Heatin

Heat Exchanger For Solar Water Heating Systems: With high heat transferring efficient heat exchanger tubes and smooth shell, it ensures high velocities inside of the unit making the heat exchanger a very reliable, efficient and cost effective way to transfer heat indirectly between any boiler/solar water heater or heat pump water heater circuit and any pool or spa circuit, besides other

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