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Gas Supply for Construction Sites

Portable Microbulk

Portable Productivity for Construction, Shipbuilding and Heavy Fabrication
Praxair’s new Praxair-On-Demand (POD), Portable Microbulk Gas Delivery System, provides construction companies, ship builders and heavy fabricators with an alternative to facilities and job sites filled with single cylinders, cylinder packs and portable liquid vessels. A complete gas supply system that can be moved while full and works where you work — it helps improve productivity, boost efficiency and reduce costs by reducing cylinder handling and change-outs. Innovative and flexible, the POD System ensures a high purity gas supply that’s convenient and dependable.

Standard Features

  • Convenience
  • Productivity
  • Quality
  • Safety


Improved Productivity Whenever It’s Needed

The Pod system concurrently delivers pure argon and argon/CO2 blends at 600 cubic feet per hour, enough to support 25 or more welders. Measuring 86 inches wide, 54 inches deep and 94 1/2 inches height, this portable solution can be placed right where your welders are working. What’s more, with the available customizable gas distribution panel it can be configured to meet your fabricating team’s size or specific needs. Designed for maximum versatility, it can also be configured for use as a stationary high volume gas supply with a single point of use. Depending on configuration, the POD system has a weight range when full of 4,000 to 7,000 lbs.


Mircobulk Unique Benefits

Praxair’s POD System provides all the benefits of traditional microbulk systems, anywhere at your facility

Praxair Construction Site Services

Features and Benefits


  • Can be moved while full
  • Uninterrupted gas supply through seamless change-outs
  • Simplified billing
  • Cellular telemetry for supply monitoring and automatic, on-time order generation
  • Ability for remote monitoring of tank levels


  • Reduced downtime associated with cylinder change-outs
  • Elimination of residual product returns


  • Consistent product quality
  • High purity liquid supply


  • Minimizes employee handling and transporting of cylinders

Advanced Components That Keep Work Flowing

Cellular Telemetry Unit

The system’s multi-channel cellular telemetry unit monitors and reports tank inventory levels to our logistics center 24/7 and automatically schedules on-time deliveries. It features an LCD readout that indicates current status and accurate levels within +/- 0.10”. The unit is battery operated and requires no external electricity.

Tamper-Resistant Gas Mixer Unit

This non-mechanical mixer cannot be adjusted by users and is configured to deliver C-25 or C-10 along with pure argon. The tamper-resistant mixer, housed for protection against the elements is designed to deliver a consistent, reliable gas blend and features a test port for on-site verification of blend integrity and adherence to AWS specifications.

Onboard Alarm Protecting Blend Integrity

Further supporting blend integrity and adherence to specifications, an on board alarm signals the shutdown of the system due to any deviance in gas supply pressure. When using the available distribution rack, a tethered alarm box can also be set at the worksite to ensure audible notification, even at the busiest facilities.

Uninterrupted Supply Via Switchover Box

The switchover box allows the connection and disconnection of units while providing a seamless transition during POD System changeouts. The pressurized quick-connects ensure product integrity throughout the transition resulting in an uninterrupted supply.

Download Brochure 

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POD Portable Microbulk Brochure

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