Steam boiler - HH

Product catalog summary

Overview and Product Description

The ATTSU HH series steam boilers represent a mature product line combining robust design, energy efficiency, and advanced control and communication technologies. These are three-pass firetube boilers with either plain or corrugated furnaces, fully water-cooled, designed for durability, reliability, and ease of handling. They emphasize low thermal load, high energy efficiency, low emissions, and low maintenance costs.

Applications

The HH series boilers cover a wide steam production range from 2,000 to 20,000 kg/h and operate at pressures up to 16 bar. They are suitable for diverse industries and processes including air conditioning, food processing, textiles, chemical, paper, pharmaceutical industries, solar thermal power plants, and various industrial processes such as brick manufacturing, concrete curing, distillation, pasteurization, steam turbine sealing, and metallic coating.

Design Standards and Certifications

Manufactured in compliance with the German TRD code and European Directive 97/23/EC, the boilers can also be designed to meet ASME, BS, DNV, GOST, and JIS standards. They come with ISO 9001 certification, ensuring quality management and manufacturing consistency.

Technical Specifications

The boilers are available in multiple models with steam outputs ranging from 2,000 to 20,000 kg/h. Key parameters include usable thermal power, fuel consumption rates for various fuels (light oil, heavy oil, natural gas, propane), furnace overpressure, and transport weight. Dimensions vary by model and burner type, with detailed measurements provided for installation and integration.

Fuel and Burner Options

HH boilers support a variety of fuels including natural gas, propane, biogas, light oil, biodiesel, heavy oil, animal fat, and industrial glycerine. Special burners are available for multi-fuel use, low NOx emissions, oxygen trim control, and speed modulation.

Control and Automation Features

Standard equipment includes two PED-certified safety valves and a vertical feed water pump with stainless steel components. Optional features enable unmanned operation for up to 72 hours, redundant automation systems with two-out-of-three logic, and communication protocols such as Ethernet, Lonworks, Modbus, Profibus, and SCADA integration. The boilers include advanced level indicators with stainless steel bellows shaft sealing for maintenance-free operation and safety lock systems.

Accessories and Optional Equipment

Economizers to maximize efficiency, compatible with other manufacturers' boilers.
Stainless steel blowdown vessels with temperature control.
Steam generators using thermal oil or superheated water.
Stainless steel vaporizers for direct food contact applications.
Water treatment plants including feed water and condensate recovery tanks, softeners, chemical dosing pumps, and sampling valves.
Steam accumulators for high-demand steam supply.
Steam distribution headers with CE marking according to PED 97/23/EC.
Thermal degassers to improve feed water quality and boiler efficiency, especially for high-pressure and food industry applications.

Installation and Support

ATTSU offers containerized boiler rooms for rapid deployment without civil works delays. The company provides qualified technical assistance, documentation, thermographic services, and turnkey solutions. Manufacturing is based in Spain with exports to over 65 countries worldwide.

Summary of Critical Information

Steam output range: 2,000 to 20,000 kg/h
Maximum operating pressure: up to 16 bar
Fuel flexibility: multiple fuel types supported including gas, oil, and biofuels
Compliance with multiple international standards (TRD, PED, ASME, etc.)
Advanced automation and remote communication options
Designed for low emissions, high efficiency, and low maintenance
Optional accessories enhance efficiency, safety, and operational autonomy

Catalog excerpts

steam boilers

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HH 12000 Boiler equipped with thermal and deaerator econominzador. ATTSU steam boilers series HH are the result of a long tradition in the boiler manufacturing, bringing together a robust design, energy efficiency and the newest technologies of control and communication in an extremely durable and reliable equipment. HH series are three-pass firetube boilers, with plain or corrugated furnace (according to size and pressure), totally water cooled. In steam boilers series HH we have taken care of every single detail from design, construction and finishes, standing out their low thermal load, high...

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HH steam boilers are manufactured in a range of steam rates from 2.000 to 20.000 kilos per hour and standard pressure up to 16 bar and are suitable for a great variety of applications: HH 7000 with two pumps and modulating gas burner. Air conditioning Chemical industry Food-processing industry Paper industry Pharmaceutical industry Solar thermal power plants Textile industry As well as a multitude of industrial processes: Clay kneading for bricks manufacturing Curing of concrete for civil works Digesters Fractioned distillation Metallic coating Pasteurization of milk, wines or juices Remoulding...

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Steam boiler model Steam production features datasheet Fuel consumption* Transport weight Furnace overpressure Light Oil (8.900 kcal/lt) (10,35 kW/l) Heavy Oil (9.600 kcal/kg) (11,16 kW/kg) Usable thermal power Steam valve Natural gas (9.500 kcal/Nm ) (11,04 kW/Nm3) Propane gas(11.900 kcal/kg) (13,84 kW/kg) boiler of 8 bar * With nominal production of steam at 8 bar and feeding water temperature of 103 ºC ** Varies with the burner brand and fuel used The manufacturer reserves the right to introduce modifications without prior notifications

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SAFETY VALVE (carried to exterior) AERATION (carried to exterior) CHIMNEY (carried to exterior) LC- :Minimum level of operation LC+ :Maximum level of operation LI :Level indicator LS :Limit of standard supply LSH :Maximum level of safety LSL :1st minimum level of safety LSLL :2nd minimum level of safety PI :Pressure gauge PS- :Operation pressure at maximum power PS+ :Maximum operation pressure PSH :Maximum safety pressure PSL :Minimum fuel pressure QS :TDS probe TCV :Thermostatic valve GROUP ELECTRICALLY-OPERATED VALVE DOBLE SEALING CONTROL PSL LEVEL INDICATOR BLOWDOWN BOTTOM BLOWDOWN DECALCIFIED...

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24 HOURS UNMANNED OPERATION included in every HH boilers HH Steam boilers are equipped with the accessories that allow them to operate without permanent supervision for 24 hours periods and optionally with the extra accessories to operate without permanent supervision for 72 hours periods. The handwheel operated gate valves have a stainless steel bellows shaft sealing system thanks to which they are practically maintenance free. The standard model is equipped with two PED certified safety valves. The standard model is equipped with one vertical feed water pump Grundfos with stainless steel impeller,...

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Stainless steel blowdown vessel with Economizer designed to maximize the steam boiler efficiency. A large range of temperature control. Different sizes suitable capacities allows us to satisfy any demand, even with boilers from other to meet the complete range of steam boilers manufacturers. from 50 to 20000 kilos/hour. Steam accumulator, it allows one-off steam supplies more than ten times greater the steam rate of the boiler. Water treatment plant which consists of a feed water and condensate recovery tank entirely made out of stainless steel, softener, chemical dosing pump, sampling valves,...

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we are a company with a long tradition, young of mind, opened to the new technologies and in constant evolution that offers a broad range of solutions from a single boiler supply to a complex turn-key installation always under the supervision and consulting of our highly skilled and qualified team. Qualified technical assistance We manufacture in Spain and export to a more than 65 counties abroad .

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