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Stiefel Burners Gas Heat Exchangers–maximum efficiency in recovering waste heat

Stiefel’s gas burner heat exchangers are made of high-quality stainless steel spiral fin tubes and achieve 92% thermal efficiency. These exchangers recover waste heat exceeding 600kW for pre-heating air or water, making it ideal for condensing boilers and industrial furnaces.
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Benefits of Stifel’s Burner Parts

Stiefel's components are specially designed to have great quality ensuring durability for an industrial purpose. The carbide tipped nozzles heightened resistance to abrasion in biomass burners by five times compared to standard stainless steel. This also decreased maintenance frequency by eighty percent in a Swedish pellet plant. Inconel combustion chambers in stiefel industrial burner kits outperform generic parts by three years enduring 1,600 degree celcius in a steel mills reheating furnace. Every part from solenoid valves to ignition electrodes are tested with 10,000 cycle load tests and helium leak checks to ensure compliance to ISO 9001 and operational reliability of 99.9%.

Bespoke Solutions for the Comprehensive Range of Burner Services

Stiefel excels in the waste-to-energy sector, having developed proprietary Hastelloy-sealed valves for a German incinerator that resist acidic flue gas corrosion, increasing part life from 6 months to 3 years. We designed smaller solenoid valves with 1.5 NPT ports for commercial kitchens, saving 30% installation time with quick-connect terminals during retrofits for a French bakery chain. Many of our clients require compatibility with both 24V DC and 230V AC power, evidenced by dual fuel burners at a Caribbean resort that switch effortlessly from gas to diesel.

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The contra-flow design increases heat transfer efficiency while the anti-fouling surface achieves a 60% reduction in ash accumulation. For a Canadian district heating system, the heat exchanger achieved a 20% reduction in natural gas use by preheating the combustion air on the gas side, resulting in an 11 month payback period. Modular construction facilitates multi-burner configurations while the anti-corrosive coating allows over ten years of service in high-sulfur gas environments.

Frequently Asked Questions

In what ways does Stiefel’s burner technology increase boiler safety?

Every aspect of the technology's safety steps has been fully integrated, from double-block gas valves (leakage ≤0.01 cc/min) to flame failure detection (response in <1-second) and explosion-proof enclosures (also ATEX certified for Zone 1). The emergency shutdown compliance with OSHA standards in a German chemical plant was cut by 85% due to our burners' fail-safe spring-closed valves. The safety self-diagnostic modules also predict maintenance requirements like electrode replacement and coil degradation, which helps avoid unexpected failures.

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Stiefel
Steam Boiler Suitability For Hotels

We needed reducers of emissions better able to contend with heaters used by other hotels. Stifel’s gas burners modulated employing full 200kw burners and reduced thermal expenses by 18% while also reducing NOx emissions by 60%. Thanks to their compact design, they also seamlessly integrated into our existing boiler room for one ready to go. Stellar service provided from the beginning to the end!

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Breakthrough Development on Low-NOx Standards Preset

Breakthrough Development on Low-NOx Standards Preset

We have achieved industry-leading NOx emissions of 20 mg/Nm³ through the deployment of advanced FGR and premixing technologies on our gas burners. This achievement surpasses the most stringent environmental regulations and delivers guarantee on NOx compliance in emissions for years to come. A Californian Food Processing Plant saved $40,000 in fines over three years by switching to our low-NOx burners.
Advanced Burn Control

Advanced Burn Control

Fuel emission and maintenance functionalities can be monitored and controlled in real time via PLC control panels, which comes as standard with Stiefel’s gas burners. This data is invaluable: A German Automotive Factory used it to claim a 19% reduction in energy waste, alongside predictive maintenance of failing nozzles allowing them to reduce downtime by 35%.
Global Standards In Manufacturing

Global Standards In Manufacturing

We are proud holders of an ISO 9001 Certification. This means, among other benefits, that we are guaranteed an uninterrupted supply of 100% functional tested burners (200 hour continuous operation, check helium leak test valves) and deliver unrivaled claims against competitors within the two-year warranty period. 10,000+ burners from automated production lines in Guangzhou, Standard models with 4 weeks lead time and 8 weeks for fully defined custom models.
STIEFEL(GUANGDONG) ENV. PROTECTION Ltd.

Stiefel provide one-stop solutions that range from design and manufacturing to installation and customization.

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