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Stiefel – Pump Motors for Burner Applications;

Stiefel’s boiler burners are equipped with brushless DC motors and explosion proof AC motors which offer up to 5 HP of power at 90% efficiency. Stiefel binds these motors for continuous operation rated at 60 degrees celsius in dusty boiler rooms.
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Stiefel's Boiler Parts Benefits.

Enhanced boiler efficiency accrues with premium-quality components.

Stiefel’s boiler parts are unmatched when it comes to reliability and efficiency. Our solenoid valves made of 316 stainless steel and PTFE have a fuel containment leakage of ≤0.01 cc/min and a 10 million cycle lifespan which is essential for safe fuel control in high-pressure systems. For example, a German hospital’s boiler system upgraded to our double-block valves, which led to an annual leak reduction from 12 to zero. In a Swedish pellet plant, our biomass boiler tungsten carbide tipped nozzles get 5x the lifespan of standard nozzles, resulting in lowered maintenance downtime by 80%. To ensure compliance with ISO 17025, every part undergoes rigorous functional testing, which includes helium mass spectrometry and pressure cycling.

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Built to withstand high-stress environmental conditions, Stiefel’s burner motors have performed without failure for over five years in a cement plant, exceeding expectations against standard motors that had to be replaced every two years. Explosion proof AC and brushless DC motors, along with their enclosures, are suitable for chemically dangerous zones like refinaries and chemical plants due to IP66 protection against dust and water jets. Their AC motors maintained reliable function in hazardous zones while flexible load applications required precise speed control to ±0.1%. Maintaining 155°C on windings during operation and staying below 155°C for insulation was safe, ensuring uninterrupted function throughout the years paired with no brush maintenance required.

Frequently Asked Questions

Do Stiefel’s steam boiler parts for gas and oil boilers have included features for both types?

Indeed, our products were made to be used with al fuel types. Our european gas powered systems includes low NOx (premix nozzles and FGR valves for <30mg/Nm³) combustion and oil fueled high pressure(200 bar) pumps and viscosity controllers that heighten the atomization for heavy fuels advance the unit. The russian maritime boiler has shown adaptability to various fuel systems by utilizing our dual-fuel components, reducing 18% of fuel consumption when shifting from gas to bio-diesel.

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Customer Reviews

Hans M.
Dependable Parts for Outdated Boiler Systems

Stiefel’s boiler parts have really saved us a lot of stress with our 20 year old industrial boilers. The replacement ignition transformers and flame sensors are working perfectly and they even work with our old Honeywell controls. We are reducing unexpected shutdowns by more than 70% since switching and also thanks to same day servicing for urgent fuel filter parts.

Li Na
Tailored Stiefel Solutions for Our Waste Boiler Project

Stiefel provided us with exceptional tungsten carbide nozzles along with valves that are resistant to corrosion. The abrasively charged particles and high temperatures of over two years have not replaced their parts. With Stiefel, satisfying tight deadlines was simple due to their speedy prototyping and material selection.

Sarah T
Stiefel as an International Industry Leader: Cost-Effective Maintenance

As a commercial property manager, the cost benefits offered by Stiefel are unparalleled. Their extensive inventory of solenoid valves and control panels are cheaper by fifty percent than OEM parts, but retain premium quality. In addition, their bulk discounts on annual maintenance contracts have saved us $10,000 a year.

Ahmed K
Harsh Environment of a Power Plant: Unmatched Stiefel Durability

While other brands were failing, Stiefel's boiler plant parts saw extreme durability in case of Desert-Power plants hot environment. Their IP68 rated actuators and cermanic-lined valves have outlasted other brands by twice. Remote diagnostics enable us to predict problems, allowing for uninterrupted trustable performance backed by excellent support.

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Advanced Material Engineering

Advanced Material Engineering

Some of Stiefel’s more distinctive work includes silicone carbide ignition transformers (working at resistances of 1,400°C) and PEEK-sealed valves which are shut off from chemically reactive fuel systems. These materials minimize the frequency of maintenance needs, as in a Mexican refinery where our parts lowered annual replacement expenditure by 45%, and increase the lifespan of parts.
Global Certification and Compliance

Global Certification and Compliance

Parts of our boilers have CE, ATEX, UL, and CSA certification as fitting for use in regulated markets globally. For example, our explosion proof solenoid Valves EEx d IIC T6 approved for Zone 1 hazardous areas are suitable for LPG powered boilers sold in the EU and North America.
Data Driven Predictive Maintenance

Data Driven Predictive Maintenance

Using our IoT-enabled parts like sensors placed in actuators and valves, clients obtain intel concerning their parts’ health in real time. A Dutch dairy plant’s use of this data to predict nozzle wear and replace them proactively led to a 35% reduction in unplanned downtimes and improved their maintenance budget.