0781-1428 - Victor SR4G-580 High Pressure Piston Regulator, CGA-580, 1500 PSIG Delivery

Precision High-Pressure Control for Inert Gases

The Victor SR4G-580 High Pressure Inert Gas Regulator (SKU: 0781-1428) is a premier solution for industrial professionals requiring exacting control over high-pressure gas delivery. Engineered by ESAB under the renowned Victor brand, this regulator is specifically designed to handle the rigorous demands of pressure vessel testing and dead-end testing applications. Unlike standard light-duty regulators, the SR4G series utilizes a robust piston-type actuation mechanism. This design choice is critical for high-pressure environments, as it eliminates the vulnerability of rubber diaphragms to rupture under stress, ensuring consistent performance and safety.

Constructed from a machined brass body and housing cap, the SR4G-580 is built to withstand the physical challenges of heavy-duty industrial sites. The internal components are equally impressive, featuring a cartridge-type seat assembly with a PCTFE seat. PCTFE (Polychlorotrifluoroethylene) is chosen for its exceptional hardness and resistance to cold flow, making it the ideal material for maintaining a tight seal under high-pressure conditions. The regulator also incorporates a sintered bronze inlet filter, which acts as a first line of defense against particulate contamination, prolonging the life of the valve seat and internal mechanisms.

Operational smoothness is guaranteed by the inclusion of a Delrin cap bushing, which reduces friction during adjustment, allowing operators to fine-tune delivery pressure with ease. With a maximum inlet pressure of 3000 PSIG and a substantial delivery range of 100 to 1500 PSIG, this unit is versatile enough for a wide array of inert gas applications, including Argon, Nitrogen, and Helium systems utilizing a CGA-580 connection. Safety is paramount in high-pressure scenarios, and the SR4G-580 addresses this with an external adjustable relief valve, providing reliable over-pressure protection.

Whether you are conducting hydrostatic testing, charging accumulators, or managing high-pressure manifold systems, the Victor SR4G-580 delivers the reliability and precision required for critical tasks. Its 2.5-inch brass gauges provide clear, easy-to-read metrics, ensuring operators can monitor system status at a glance.