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Stiefel Technologies: Low NOx Gas Burners Ultra Low Emitter Combustion Technology

Stiefel’s low NOx gas burners achieve ≤20 mg/Nm³ NOx emissions utilizing FGR, staged combustion, and premixing. CE-certified for commercial boilers, industrial furnaces, and kilns, with thermal efficiency up to 98%.
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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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For the California winery’s barrel toasting kiln, these burners maintained the leadership position in environmental compliance by meeting CARB's stringent emissions of 18 mg/Nm³ while achieving a 15% increase in energy efficiency. Adding value, the fully modulating design (turndown 10:1) with optimally tuned NOx emissions guarantees extreme responsiveness to changes in the operating conditions up to real-time emissions control IoT monitoring.

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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Stowel
WTEP Serves Energy Solutions That Really Work

It's simply not possible to cut corners on safety and reliability for the plant that processes weekly industrial waste. Stiefel’s WHR that employs a 10MW oil burner has stood up to increadibly harsh conditions for the past three years without undergoing any major problems.The dual-fuel capability of the burner allows for the use of waste oil, which cuts costs by 25%, while the water-cooled combustion chamber and Hastelloy seals withstand corrosion from acidic flue gases.

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Breakthrough Development on Low-NOx Standards Preset

Breakthrough Development on Low-NOx Standards Preset

By utilizing cutting-edge FGR and premixing technologies on our gas burners, we attained a remarkable industry NOx emissions mark of 20 mg/Nm³. This accomplishment exceeds the harshest environmental policies set, promising unwavering NOx emissions compliance for many years ahead. Our low-NOx burners enabled a Californian Food Processing Plant to save $40,000 in penalties over a three-year period.
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.