Delavan 00125-70A1 Oil Burner Nozzles, 1.25 gph, 100 psi, 70 degrees, A, Hollow Cone

Delavan 125-70A1 Oil Burner Nozzle – 1.25 GPH, 70° Hollow Cone, Type A

The Delavan 125-70A1 Oil Burner Nozzle is a high-precision component designed for professional oil-fired heating systems requiring accurate atomization and consistent combustion control. Featuring a 70° Type A hollow cone spray pattern, this nozzle delivers a fine, peripheral fuel mist ideal for burners that demand uniform distribution and balanced flame geometry. The bi-metal construction, consisting of a brass body and stainless-steel metering components, ensures precise machining, excellent heat dissipation, and long-term resistance to wear in demanding burner environments.

Technical Specifications

• Manufacturer: Delavan
• Model Number: 125-70A1
• Product Type: Oil Burner Nozzle
• Flow Rate: 1.25 GPH (Gallons Per Hour at 100 PSI)
• Spray Angle: 70°
• Spray Pattern: Hollow Cone (Type A)
• Material – Body: Brass
• Material – Metering Components: Stainless Steel
• Construction: Bi-Metal Design (Brass Body / Stainless-Steel Metering Assembly)
• Operating Pressure: Standard 100 PSI (per burner manufacturer specifications)
• Atomization Characteristics: Fine droplet distribution concentrated on the spray perimeter for even combustion
• Heat Transfer Properties: Brass body provides effective heat dissipation to minimize varnish and residue formation
• Fuel Compatibility: No. 1 and No. 2 Fuel Oils and compatible light distillate blends
• Temperature Range: Suitable for standard oil burner combustion environments
• Durability: Stainless-steel metering elements resist wear, ensuring long-term flow accuracy
• Part Number: 2381
• Application: Residential, commercial, and light industrial oil-fired furnaces, boilers, and burners
• Compliance: Meets OEM and industry specifications for precision flow and combustion performance

Performance and Application

The Delavan 125-70A1 nozzle provides controlled atomization and efficient fuel distribution for consistent, stable burner operation. Its 70° hollow cone spray pattern delivers precise peripheral fuel placement, promoting complete combustion and optimal flame development. The stainless-steel metering assembly maintains dimensional accuracy throughout extended service life, while the brass body’s heat-conductive properties reduce fouling and maintain clean, consistent spray performance. Engineered for high reliability and precision, this nozzle supports energy-efficient operation and dependable performance across a range of professional heating system applications.

Summary

The Delavan 125-70A1 1.25 GPH 70° Type A Hollow Cone Oil Burner Nozzle provides professional contractors with a durable, high-precision component for efficient fuel atomization. Its bi-metal construction, heat-dissipating brass body, and stainless-steel metering elements ensure stable, long-lasting performance in residential, commercial, and industrial oil-fired heating systems.