ESA S.p.A.

The ENM‑NxT‑DF series represents a family of dual fuel, low‑NOx, lateral (or side-firing) burners engineered for industrial furnaces requiring high efficiency, reduced emissions, and fuel flexibility. Designed according to ISO13577 safety standards and manufactured under ISO 9001 standards, these burners can operate with natural gas or light oil (max. viscosity 3°E), offering capacities from 700 to 4400 kW and working with preheated combustion air up to 500°C. Their optimized design significantly reduces NOx and CO emissions compared to traditional systems and ensures stable performance even in low‑temperature chambers during ignition phases. The burners are suitable for a wide range of applications, including walking‑beam and walking‑hearth furnaces, aluminum and frit‑melting furnaces, pusher‑type furnaces, thermal treatment furnaces, forging furnaces, stretching furnaces, and brick manufacturing plants. Their construction features a carbon‑steel body, cast‑iron gas collector, refractory‑cement air diffuser (rated to 1750°C), AISI304/310S gas tubes, and ceramic‑fiber insulation, ensuring long service life under severe thermal conditions. Ignition is handled by PBC‑FR/X pilot burners, while flame detection is achieved using UV‑2 scanners. The burners employ nozzle‑mixing technology, which prevents flashback, and a multistage combustion system with strong internal recirculation that achieves extremely low emissions even at high air preheat temperatures. For stricter requirements, a flameless combustion version is available. Overall, the ENM‑NxT‑DF lateral dual fuel burners provide durable, efficient, low‑emission combustion for high‑temperature industrial processes, combining advanced safety, flexibility, and performance.

The EMB‑SIK series by ESA‑Pyronics is a family of high velocity gas burners equipped with a silicon carbide (SiC) flame tube, designed for direct heating in industrial thermal processes. Their distinguishing element is the SiC tube, whose geometry produces a compact, tense flame, ensuring deep heat penetration and excellent temperature uniformity inside the combustion chamber. This is achieved through the very high speed of the combustion products, which can range from 50 to 120 m/s depending on the model. The burners operate with natural gas or LPG as standard and can be customized for alternative gaseous fuels. Their power range spans from 30 to 900 kW, with a maximum operating temperature of 1,300 °C. The EMB‑SIK series supports stoichiometric, oxidizing or reducing combustion, with excess‑air operation up to 400%, allowing notable flexibility in process control. The burners achieve maximum capacity at 45 mbar air pressure, facilitated by built‑in absolute and differential pressure plugs for simplified calibration. Constructed with robust materials—cast iron G25 for the body and gas collector, AISI310 for the combustion head, and silicon carbide for the flame tube—the burners ensure durability in high‑temperature environments. Their nozzle‑mix design prevents flashback by mixing air and fuel only at the combustion head, enhancing safety and stability. Typical applications include fibre‑cover treatment furnaces, tunnel and car‑bottom furnaces, ceramic furnaces, stretching furnaces, and general industrial treatment furnaces. Flame lengths depend on the model and range from approximately 150 mm to 2,000 mm. Combustion emissions are reduced, with NOx typically below 180 mg/Nm³ (at 3% O₂ reference) under standard operating conditions. The EMB‑SIK series also supports operation with preheated combustion air up to 550 °C, increasing efficiency and thermal performance. Each burner is supplied with independent ignition and detection electrodes. Configurations can be chosen based on required flame velocity (low, medium, or high), all determined by the SiC tube design.

The EMB‑SIK‑DA series by ESA‑Pyronics consists of double air high‑speed gas burners designed for direct heating processes in industrial furnaces. Their defining feature is the silicon carbide (SiC) flame tube, which generates a compact, high‑velocity flame—between 60 and 120 m/s depending on the model. This tight flame ensures deep heat penetration and uniform temperature distribution within the combustion chamber. Burners can operate with methane, LPG, or other special gaseous fuels and are suitable for a wide temperature range, reaching up to 1300°C. Typical applications include fibre‑lined furnaces, tunnel and car-bottom furnaces, heat‑treatment units, stretching furnaces, hot air generators, and industrial dryers. Thanks to controlled secondary air inlets, the burners can be optimized for low‑temperature processes requiring uniformity. Their capacity ranges from 80 to 300 kW, with excess air capability up to 400% (2000% with secondary air). Ignition and flame detection occur via separate electrodes, although UV-scan detection can be used for special cases. Proper installation requires safe spacing, correct sealing with ceramic fibre, dedicated high‑tension cabling, and grounding of metallic elements. Ignition must always occur at minimum power before modulation. Vertical upward mounting is discouraged due to risks of failed ignition. Start‑up and setting procedures must be performed by qualified personnel. These include verifying air and gas pressures, adjusting safety systems, modulating combustion parameters, checking flame stability, and ensuring correct differential pressures. LPG versions include a dedicated premix air line requiring specific adjustment. Routine annual maintenance includes inspection or replacement of electrodes, combustion head, flame tube, gaskets, and repetition of start‑up calibration procedures. Extraordinary maintenance guides operators in diagnosing lockouts related to illegal flame detection, ignition failures, or unstable flame signals. Finally, the document provides extensive dimensional drawings for all burner versions, ordering codes, and material specifications, enabling correct selection and integration into industrial combustion plants.

The BZR-REG-II pressure regulator is designed for industrial applications with burners and gas-air mixers. The BZR is certified with EN88-1 standards. Its main function is to maintain a stable fuel/air ratio by adjusting gas pressure according to combustion air pressure. Available in standard and high-temperature versions (up to 100°C), it also offers remote control for complex installations. The pressure regulator uses two diaphragms to balance pressures, ensuring accuracy across the entire flow range. The internal spring only closes the valve, preventing overload. Key features include: operating pressure 80–200 mbar, 1:1 regulation ratio, accuracy ±0.25 mbar at low flow and ±0.76 mbar at full flow. The body is made of aluminum and EN549-approved diaphragms. Installation must follow safety standards: vertical position preferred, ISO7/1 threaded pipes, upstream filtration ≤50 µm. Field modifications are not allowed; calibration and maintenance must be performed by ESA Pyronics qualified personnel. The regulator is CE certified and compliant with ISO3577 and is manufactured under ISO 9001 standards. Thanks to its design, BZR-REG-II ensures reliable gas flow control, reducing risks and improving efficiency in industrial combustion systems.