horizontal multitubular hot water boiler flue

horizontal multitubular hot water boiler flue

ZOZEN's main products include industrial boilers, power station boilers, waste heat recovery devices (HRSG), special waste heat boilers, pressure vessels and other five series with more than 400 varieties of specifications, mainly classified as: 10 ~ 220 t/h series power station boilers; SHL series bulk coal-fired Steam and hot water boilers; SZL series pipe assembly boilers; DZL series shell boilers; WNS series, SZS series of oil/gas fired boilers; YLL series of coal-fired thermal fluid heater; YYW series of fuel gas thermal fluid heater; biomass fuel boiler steam and gas combined cycle waste heat boilers, special waste heat boilers and so on.


ZOZEN has built six fully automatic lines for the production of convection pipe, coil pipe, threaded pipe, membrane wall, serpentine tube and header. The parts so produced have consistent dimensions that enable easy assembly and ten years’ extension of a boiler’s life.

Our Lastest Boiler Type

Seven Hold Points

Seven hold points are set and each one is supervised by a responsible inspector. Any work that fails to pass the inspection cannot proceed until the inspector is able to verify its quality.

1,Incoming materials are inspected again upon entry into the plant.

2,Material markings will be transferred to all cut pieces to ensure identification and traceability.

3,Test pieces are used to ensure a higher success rate in welding.

Unique structural design

National Precision Bearing offers stainless steel for applications that require corrosion resistance.We have world class manufacuring facilities using latest technology, machines and equipments.

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History of technology - The Industrial Revolutio

The increases in population and agricultural productivity were accompanied by a technological revolution that introduced new sources of power and a cultural “machine-mindedness,” both of which were incorporated into a wide spectrum of economic enterprises.

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;Occupational Health and Safety Ac

Vessels under Pressure Regulations, 1996 2. Scope. These regulations shall apply to all users of vessels under pressure : Provided that regulation 3 shall not apply to a boiler , pressure vessel or portable gas container in use prior to 23 October, 1992, and which was designed constructed and manufactured in accordance with regulations in force at that time.

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