Esab Weld & Cut(Victor) 0781-0527 SR450D-540 Heavy Duty Single Stage Oxygen Regulator

The Victor SR450D-540 is a heavy-duty, single-stage oxygen regulator designed for professional cutting, welding, and heating applications where slight delivery pressure increases due to decreasing cylinder pressures would not affect performance characteristics. This regulator offers a 5-125 PSIG delivery range and is designed for medium to high capacity gas service.

Construction Features:

• Die-forged brass body for exceptional strength and durability with 3000 PSIG maximum inlet pressure
• 3-1/4 inch stainless steel diaphragm provides precise, long-lasting service
• Two 2-1/2 inch brass gauges with 4000 PSIG inlet gauge range and 200 PSIG outlet gauge range
• Delrin cap bushing for smooth adjustments and forged brass housing cap
• Electroless nickel-plated bronze sintered inlet filter with 0.27 Cv flow coefficient

Technical Specifications:

• CGA 540 inlet connection for oxygen service
• 9/16"-18 RH(M) outlet connection
• Overall height: 7 inches
• Stem-type seat mechanism for reliable operation
• External self-reseating relief valve (not designed to protect downstream apparatus)

This tried and true brass design delivers excellent gas control characteristics that meets the demands of precise cutting, welding and heating applications. The SR450 series is built to provide years of reliable service even under extreme industrial conditions.