Delavan 00135-70A1 Oil Burner Nozzles, 1.35 gph, 100 psi, 70 degrees, A, Hollow Cone

Delavan 135-70A1 Oil Burner Nozzle – 1.35 GPH, 70° Hollow Cone, Type A

The Delavan 135-70A1 Oil Burner Nozzle is a precision-engineered component designed for accurate fuel atomization and efficient combustion in oil-fired heating systems. Featuring a 70° Type A hollow cone spray pattern, this nozzle provides finely distributed, peripheral fuel delivery for burners that require complete and even flame development. Constructed with Delavan’s bi-metal design, the brass body and stainless-steel metering components ensure high dimensional accuracy, heat dissipation, and long-term durability in demanding burner environments.

Technical Specifications

• Manufacturer: Delavan
• Model Number: 135-70A1
• Product Type: Oil Burner Nozzle
• Flow Rate: 1.35 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, peripheral droplet distribution for uniform combustion
• Heat Transfer Properties: Brass body dissipates heat rapidly, reducing varnish and carbon buildup
• Fuel Compatibility: No. 1 and No. 2 Fuel Oils and compatible light distillates
• Temperature Range: Designed for standard burner combustion chamber operating conditions
• Durability: Stainless steel metering elements maintain precision and resist wear
• Part Number: 2382
• Application: Residential, commercial, and light industrial oil-fired furnaces, boilers, and burners
• Compliance: Manufactured to OEM and industry specifications for accurate fuel metering and spray performance

Performance and Application

The Delavan 135-70A1 nozzle provides consistent and repeatable atomization for optimized combustion efficiency. The 70° hollow cone spray pattern delivers an evenly distributed, peripheral fuel mist ideal for burners requiring balanced air-fuel mixing and controlled flame characteristics. The stainless-steel metering assembly maintains precision and stability throughout extended use, while the brass body’s high heat conductivity minimizes fouling and maintains clean spray performance. This configuration ensures reliable ignition, steady flame control, and sustained efficiency in professional oil-fired heating systems.

Summary

The Delavan 135-70A1 1.35 GPH 70° Type A Hollow Cone Oil Burner Nozzle offers professional contractors a durable, high-precision atomization solution engineered for consistent combustion and long service life. Its bi-metal construction, heat-dissipating brass body, and stainless-steel metering components deliver reliable performance in residential, commercial, and industrial oil-fired heating equipment.