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Duel fuel burner parts by Stiefel - Flexible parts for multi-fuel systems

Stiefel dual fuel burner parts contain quick change nozzles, dual fuel valves and control modules which change seamlessly with fuel oil gas or biofuels, as effortless petrol oil and biofuel switching is achieved and fuel transitions are maintained at 96% thermal efficiency.
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Benefit of Stiefel’s Boiler Parts

Budget-Friendly Maintenance with Global Logistics Support

We design our boiler parts so that they incur the least operational expense in the long run. A butterfly valve from one of our Spanish clients’ ceramic factories was far easier to maintain due to the modular design our engineers developed. Now, replacement of the ceramic coated discs takes half the time since the valve doesn’t need to be taken off the pipeline. Ignition electrodes and pressure regulators with technical support provided 24 hours a day, seven days a week, lead of no delay for bulk items like ship valves with same day dispatch links across the globe. A Canadian client district heating plant using our service kits which come with ready to use spare parts that have CE, UL and CSA markings on the components, saved 25% on stock costs.

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The dual fuel valves have separate gas and oil pathways with leak-proof isolation, while the control modules automatically adjust air-fuel ratios for different fuels. Our components enabled a Caribbean resort to switch from natural gas to diesel in 5 minutes during outages, retaining NOx emissions under 50 mg/Nm³. The modular approach improves burner retrofitting and supports turndown ratios up to 10:1.

Frequently Asked Questions

What warranty and after sales service do Stiefel’s boiler parts have?

Every custom part has specific warranties as per customer need s. They also have 2 year warranties for standard parts which covers material and workmanship costs. Custom components have warranties tailored to application requirements. After sales specialists offer step by step installation instructions, remote troubleshooting using video calls, and practical training for on-site maintenance. Critical Japanese plant food processing support was provided in under four hours for the malfunctioning solenoid valve which saved production severely impacted production.

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customer evaluation

David Wilson
Solving Reliability Problems for Our Aging Boiler System

Stiefel’s parts have saved my life on numerous occasions particularly for our 20-year-old industrial boilers. The replaced ignition transformers and flame sensors not only preformed perfectly , they also blended flawlessly with our old Honeywell controls. Since switching to Stiefel, we’ve reduced unexpected shutdowns by 70 percent, and most importantly, their same-day shipping offered for urgent parts like fuel filters has ensured smooth operation.

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Advanced Material Engineering Accomplishments

Advanced Material Engineering Accomplishments

The steps taken by Stiefel to uniquely extend the life of materials is evident in parts such as silicon carbide ignition transformers (1,400°C resistive) and PEEK-sealed valves, which are chemically inert to aggressive fuels. These are observed increasing maintenance intervals , part life, and during one of our customer's Mexican refinery maintenance, which experienced a 45% reduction in annual replacement costs.
International Certification and Compliance

International Certification and Compliance

Our piston boiler parts are certified to CE, ATEX, UL, and CSA standards guaranteeing utilization in regulated markets globally. Take for instance, our explosion proof solenoid valves (EEx d IIC T6) certified for Zone 1 hazardous areas that allow installation in LPG turbines operating in the boilers both in Europe and North America.
Predictive Maintenance Supported by Data

Predictive Maintenance Supported by Data

Thanks to our internet capable appliances (e.g. sensors located at the actuators and valves), clients are provided with continuous reports on the condition of components. A client operating a dairy product manufacturing plant based in The Netherlands was able to analyze data to foresee nozzle replacement on a scheduled basis, which helped reduce unplanned outages by 35% while optimizing their maintenance spending.