Delavan 00125-70B1 Oil Burner Nozzles, 1.25 gph, 100 psi, 70 degrees, B, Solid Cone

Delavan 125-70B1 Oil Burner Nozzle – 1.25 GPH, 70° Solid Cone, Type B

The Delavan 125-70B1 Oil Burner Nozzle is a precision-engineered component designed for consistent fuel atomization and efficient combustion in oil-fired heating systems. Featuring a 70° Type B solid cone spray pattern, this nozzle provides uniform fuel distribution and stable flame geometry for reliable burner performance. The bi-metal construction, combining a brass body with stainless steel metering components, ensures dimensional precision, corrosion resistance, and long-term durability under demanding thermal and operational conditions.

Technical Specifications

• Manufacturer: Delavan
• Model Number: 125-70B1
• Product Type: Oil Burner Nozzle
• Flow Rate: 1.25 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: Bi-Metal Design (Brass Body / Stainless Steel Metering Assembly)
• Operating Pressure: Standard 100 PSI (per burner manufacturer specifications)
• Heat Transfer Properties: Brass body conducts heat efficiently, reducing varnish and carbon buildup
• Atomization Characteristics: Fine, consistent droplet size for stable, complete combustion
• Fuel Compatibility: No. 1 and No. 2 Fuel Oils and compatible light distillate blends
• Temperature Range: Suitable for standard burner combustion environments
• Durability: High wear resistance in metering orifice and distributor slots ensures long service life
• Part Number: 2425
• Application: Residential, commercial, and light industrial oil-fired furnaces, boilers, and burners
• Compliance: Meets OEM and industry standards for flow accuracy and atomization performance

Performance and Application

The Delavan 125-70B1 nozzle is engineered to deliver precise fuel flow and optimized atomization for efficient and stable burner operation. The solid cone spray pattern produces a full, uniform flame suitable for a wide range of oil-fired heating systems. The stainless steel metering elements maintain consistent spray geometry and flow rate under prolonged operating conditions, while the brass body enhances heat dissipation to minimize fouling and maintain nozzle cleanliness. This configuration ensures dependable ignition, consistent flame characteristics, and reduced maintenance intervals in professional heating system installations.

Summary

The Delavan 125-70B1 1.25 GPH 70° Type B Solid Cone Oil Burner Nozzle provides professional contractors with a high-precision, durable fuel atomization solution. Its bi-metal construction, uniform spray pattern, and wear-resistant design deliver consistent combustion efficiency and reliable performance across residential, commercial, and light industrial oil-fired heating applications.