Victor 0780-0939 Two Stage Oxygen Regulator 8000 Scfh

Product Description

The VICTOR 0780-0939 is an extra high capacity, two-stage oxygen regulator built for industrial and trade applications that demand precise, constant outlet pressure at high flow rates. It delivers up to 8,000 SCFH with a 10 to 200 psig adjustable outlet range and accepts inlet pressures up to 3,000 psig. The die-forged brass body and spring housing cap provide the structural strength required for heavy-duty cylinder service. A stainless steel diaphragm ensures accurate, long-lasting regulation, while an electroless nickel plated bronze sintered inlet filter protects internal components. Licensed gas technicians and welding professionals install this regulator on high-pressure oxygen supply systems.

This regulator is designed for applications where fluctuations in delivery pressure directly affect work quality or test results. The two-stage design maintains stable outlet pressure even as cylinder inlet pressure drops over time, making it well suited for cutting, welding, purging, and precision gas flow applications that require both high flow capacity and consistent downstream pressure. The 540 CGA inlet connection is the standard oxygen cylinder valve fitting, and the 9/16 inch-18 RH(M) outlet connection accommodates compatible oxygen service hose fittings.

Key Features

• Two-stage regulation maintains constant outlet pressure as inlet cylinder pressure decreases
• Extra high flow capacity up to 8,000 SCFH with a 0.244 Cv flow coefficient
• Die-forged brass body and spring housing cap for strength and durability under high-pressure service
• Stainless steel diaphragm for accurate, long-lasting performance
• Electroless nickel plated bronze sintered inlet filter protects the regulator internals
• Brass adjusting screw with forged T-handle and Delrin insert bushing for smooth, reliable adjustment
• External self-reseating relief valve and stem-type seat mechanism for added safety and sealing
• Precision-machined nozzle and pretested adjusting spring for consistent flow control and quality assurance

Compatibility

Designed for use with standard high-pressure oxygen cylinders equipped with a 540 CGA valve outlet. The 9/16 inch-18 RH(M) outlet connection is compatible with standard oxygen service hose assemblies.

Installation Notes

Installation should be performed by a qualified welding or gas supply technician familiar with high-pressure oxygen service. Always close the cylinder valve and bleed the regulator before connecting or disconnecting. Never use thread sealants, pipe dope, or lubricants on oxygen regulator fittings, as these create a serious fire and explosion hazard. Follow applicable compressed gas safety standards and any local codes governing high-pressure oxygen systems.

Technical Specifications

• Gas Service: Oxygen
• Regulation Stages: Two-stage
• Outlet Pressure Range: 10 to 200 psig
• Maximum Inlet Pressure: 3,000 psig
• Maximum Flow Rate: 8,000 SCFH
• Cv Flow Coefficient: 0.244
• Inlet Connection: 540 CGA
• Outlet Connection: 9/16 inch-18 RH(M)
• Inlet Gauge Range: 0 to 4,000 psig
• Outlet Gauge Range: 0 to 400 psig
• Body Material: Die-forged brass
• Diaphragm Material: Stainless steel
• Inlet Filter Material: Electroless nickel plated bronze sintered
• Length: 8.7 inches
• Width: 8.7 inches
• Height: 8.3 inches
• Weight: 8.1 pounds

Standard Information

• Brand: VICTOR
• Manufacturer Part Number: 0780-0939