17772 - 1.5-Inch 4000 PSI Replacement Regulator Gauge, Lower Back Mount

Technical Overview of the ESAB 17772 Pressure Gauge

The ESAB 17772 is a precision-engineered pressure gauge designed for industrial gas applications requiring reliable monitoring of high-pressure systems. This unit features a measurement range of 0 to 4000 PSI (Pounds per Square Inch), making it specifically suitable for the high-pressure side of gas regulators where cylinder content pressure must be tracked accurately. The gauge is constructed with a 1.50-inch diameter dial, a standard size for compact and medium-duty industrial regulators, ensuring compatibility with a wide array of equipment configurations.

Structurally, the gauge utilizes a Lower Back Mount (LBM) connection, which is the industry-standard orientation for regulator gauges, allowing the face to remain upright and visible to the operator when installed on the regulator body. The internal mechanism is housed within a durable ABS (Acrylonitrile Butadiene Styrene) plastic case. This material choice offers significant advantages in an industrial setting, including resistance to chemical corrosion, impact absorption from minor knocks, and a reduction in overall weight compared to steel-cased alternatives. The face of the gauge is finished in white with contrasting dark markings, optimizing readability even in low-light workshop environments.

This component is identified by the internal SKU ESB17772 and is intended as a direct replacement part or OEM component for ESAB gas equipment and compatible systems. The scale is calibrated to provide linear readings across the 4000 PSI range, ensuring operators can accurately assess gas reserves in cylinders such as Oxygen, Argon, Nitrogen, or Helium. Proper installation requires attention to thread sealing and torque specifications to ensure a leak-free connection within the high-pressure gas manifold system.