Delavan 00135-70B1 Oil Burner Nozzles, 1.35 gph, 100 psi, 70 degrees, B, Solid Cone

Delavan 1.35-70B Oil Burner Nozzle – 1.35 GPH, 70° Solid Cone, Type B

The Delavan 1.35-70B Oil Burner Nozzle is a precision-engineered atomization component designed to provide accurate fuel delivery and stable combustion performance in oil-fired heating systems. Featuring a 70° Type B solid cone spray pattern, this nozzle ensures uniform fuel dispersion and complete flame development for optimized burner efficiency. Its bi-metal construction—combining a brass body for effective heat dissipation and stainless steel metering components for long-term precision—supports dependable operation under continuous service conditions.

Technical Specifications

• Manufacturer: Delavan
• Model Number: 1.35-70B
• Product Type: Oil Burner Nozzle
• Flow Rate: 1.35 GPH (Gallons Per Hour at 100 PSI)
• Spray Angle: 70°
• Spray Pattern: Solid Cone (Type B)
• Material – Body: Brass
• Material – Metering Components: Stainless Steel
• Construction Type: Bi-Metal Design (Brass Body / Stainless Steel Metering Assembly)
• Operating Pressure: Standard 100 PSI (per burner manufacturer requirements)
• Atomization Characteristics: Uniform solid cone pattern for even flame coverage and efficient combustion
• Heat Transfer Properties: Brass body dissipates heat rapidly, minimizing carbon and varnish buildup
• Fuel Compatibility: No. 1 and No. 2 Fuel Oils and compatible light distillates
• Temperature Range: Rated for standard burner combustion chamber conditions
• Durability: Stainless steel metering components provide extended wear resistance and stable flow performance
• Part Number: 901497
• Application: Residential, commercial, and light industrial oil-fired furnaces, boilers, and burners
• Compliance: Manufactured to OEM and industry standards for precision flow and atomization control

Performance and Application

The Delavan 1.35-70B nozzle delivers consistent atomization for reliable and efficient combustion in professional heating applications. The solid cone pattern provides complete fuel-air mixing for burners designed for full flame coverage. The stainless steel metering assembly maintains precise flow geometry through exten