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Burner Butterfly Valve Parts by Stiefel - Highly Accurate Parts for Flow Control

The butterfly valve parts made by Stiefel are comprised of ceramic coated disc, pneumatic actuators, and position sensors guaranteeing ≤0.05 cc/min leakage and 90° rotation within ≤5 seconds.
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Benefit of Stiefel’s Boiler Parts

Customizable Solutions For Various Boiler Uses

Tailor-made boiler part design, and operational needs Stiefel specializes in waste-to-energy plants with our hastelloy narrowly sealed valves for corrosive toxic-flue gases dirty-ingesting boilers makes them last 3 years instead of 6 months. In commercial kitchens, our compact solenoid valves 1.5” NPT ports with quick-connect terminals save thirty percent of time during installation in retrofits for older versions of the equipment. A global resort order exemplifies the use of our dual-voltage control modules 24V DC/230V AC as it seamlessly integrates local controls for solar power and grid control with local wiring alongside the boiler system.

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Pieces from our oxygen controllers helped an Italian waste incinerator reduce air leaks by 92% which increased combustion efficiency and lowered CO emissions by 35% on top of using the valves. Meanwhile, the pneumatic actuators with fail-safe springs guarantee emergency shut-downs within two seconds. The ceramic coated discs resist the wearing off due to abrasive fuels. The modular design permits effortless replacement of controllers without removal from the piping, as well as changing the actuators or discs on the valves.

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 effort made by Stiefel to innovatively extend materials life spans is clear in constituents such as silicon carbide ignition transformers (1,400°C resistive) and PEEK-sealed valves (chemically inert to aggressive fuels). These materials lengthen maintenance intervals and part lifespan, as observed at one of our customer's Mexican refinery, which saw a reduction of 45% 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.