SOLENOID VALVE NO 1/4 122K8321 OILON Fuel Vent & Relief Valve

The SOLENOID VALVE NO 1/4 122K8321 OILON (Parker Model: 122K8321) is a high-performance 2/2-way normally open (NO) direct-acting fuel solenoid valve manufactured by Parker Lucifer and integrated into Oilon oil, gas, and dual-fuel burner systems. Designed for automatic pressure relief, venting, and recirculation circuits, the SOLENOID VALVE NO 1/4 122K8321 OILON remains open when de-energized and closes tightly upon electrical activation to isolate safety relief paths during active firing phases.

Constructed with a heavy-duty forged brass body, stainless steel internal core components, and premium FKM/Viton sealing elements, the SOLENOID VALVE NO 1/4 122K8321 OILON reliably manages light oil, heavy fuel oil (HFO), diesel, and natural gas loops. Standard female 1/4″ BSPP threaded ports ensure seamless mounting into Oilon burner pre-heater loops, pump bypass lines, and gas venting manifolds.

Key Features of the SOLENOID VALVE NO 1/4 122K8321 OILON

• 2/2-Way Normally Open (NO) Safety Function: Fails safe in the open position to vent line pressure or maintain fuel recirculation during shutdown.

• 1/4″ Threaded BSPP Connections: Precision female threads enable fast, leak-free integration into compact burner manifolds.

• FKM/Viton Thermal Seals: Resistant to aggressive chemical additives, fuel oil solvents, and elevated pre-heater temperatures.

• Direct-Acting Valve Mechanism: Ensures quick and reliable opening and closure independently of line differential pressure.

• Forged Brass Enclosure: Offers maximum mechanical durability and corrosion resistance against harsh combustion room air.

• Standardized Coil Mount: Compatible with standard Parker 230V AC or 24V DC DIN plug magnetic solenoid coils for quick field replacements.

Primary Applications

• Oilon Industrial Burners: Pressure relief, venting, and nozzle recirculation line control on Oilon light oil, heavy oil, and gas burners

• Boiler Pre-Heating Skids: Automatic fuel bypass line isolation during thermal fluid and heavy oil warm-up routines

• Marine Auxiliary Boilers: High-reliability venting and fuel loop control for shipboard auxiliary boilers and incinerator units

Technical Specifications

Package Contents

• 1 × SOLENOID VALVE NO 1/4 122K8321 OILON Brass Valve Body Assembly

• Installation Leaflet & Sealing Ring