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999434 - ESAB 2.5-inch Replacement Regulator Gauge 0-100 PSI LBM

Packaging: pack of 1
$37.39/EA $29.33/pack of 1 only $29.33/EASave 22%

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SKU: ESB999434 Categories: ,

OVERVIEW

Precise Pressure Monitoring for Industrial Regulators

The ESAB 999434 is a high-quality replacement pressure gauge designed to restore functionality and safety to your gas regulation equipment. Accurate pressure monitoring is critical in welding and industrial applications to ensure consistent flow rates and process integrity. This gauge features a 2.50-inch diameter dial, which offers superior legibility compared to standard 2-inch gauges, allowing operators to verify settings quickly and accurately from a distance.

Engineered with a range of 0 to 100 PSI, this gauge is typically utilized for low-pressure delivery readings on regulators. The scale is calibrated to provide precise feedback on the output pressure being delivered to the torch or downstream equipment. The unit is constructed with a durable plastic (PLA) case, which provides a lightweight yet robust housing that resists corrosion and impact in shop environments. The internal mechanism is designed for reliability, ensuring that the needle movement is smooth and responsive to pressure changes without excessive flutter.

Installation is straightforward thanks to the Lower Back Mount (LBM) configuration, a standard orientation for many industrial gas regulators. This design allows the gauge to sit flush against the regulator body while facing the operator. Whether you are maintaining a fleet of welding carts or repairing a single station, the ESAB 999434 provides the OEM quality and fitment required for safe operation. Regular inspection and replacement of damaged gauges are essential safety practices; this unit ensures your equipment remains compliant and operational.

Technical Specifications

  • Dial Diameter: 2.50 Inches
  • Pressure Range: 0-100 PSI
  • Mounting: Lower Back Mount (LBM)
  • Case Material: Plastic
Additional Information
packaging-description:pack of 1
----- new values below ----
Display Type:Analog
Scale:PSI
Application:Gas Regulator Replacement
Diameter:2.5 in
Pressure Range:0-100 PSI
Mount Type:Lower Back Mount
Case Material:Plastic

INCLUDED

  • 1 x 2.5-inch Pressure Gauge (0-100 PSI)

APPLICATIONS

  • Replacement of broken delivery gauges on welding regulators
  • Monitoring output pressure for MIG/TIG welding gases
  • General industrial pressure monitoring applications (0-100 PSI)
  • Maintenance and repair of gas distribution manifolds

FAQ

While the specific thread pitch isn't listed in the short description, 2.5-inch gauges typically use a 1/4" NPT connection. However, some may use 1/8" NPT. Please verify your regulator's port size before ordering.

Gauges must be specifically cleaned for oxygen service to prevent combustion. Unless the product packaging explicitly states 'Cleaned for Oxygen Service', treat it as a general-purpose or inert gas gauge.

LBM stands for Lower Back Mount. This means the threaded connection stem comes out of the back of the gauge, near the bottom edge, rather than the center or the bottom of the circle.

Yes, as long as the pressure does not exceed 100 PSI and the wetted parts (brass/copper alloy usually) are compatible with the water source. However, it is primarily designed for gas regulators.

Ensure the system is depressurized. Remove the old gauge using a wrench on the brass stem (never twist the case). Apply Teflon tape or paste to the threads of the new gauge (ensure none enters the opening) and tighten it into the port until snug and oriented correctly.

Plastic cases (PLA) are lightweight, resist corrosion from humidity or chemicals, and are often more impact-resistant to minor bumps than thin metal cases which can dent and bind the needle.

It often refers to the color of the dial markings or a 'Red Line' danger zone on the scale. In some contexts, it might refer to the specific product series or compatibility with fuel gases, though 100 PSI is a delivery range.

No, based on the description 'PLA' and standard regulator gauge specs, this is a dry gauge. Liquid-filled gauges are typically used for high-vibration environments like hydraulic pumps.