Pressure Testing
Ensuring the structural integrity of systems is crucial for efficiency and public safety. Pressure testing is our core expertise. Our team has experience testing systems from the smallest fabrication assembly to the largest cross-country transmission lines.
Whether it’s new construction or recurrent compliance testing, trust that Legends can.

Hydrostatic Pressure Testing
Identify potential leaks in your system with hydrostatic pressure testing. Hydrostatic testing is widely used to assess liquid and gas transmission lines. This process involves filling the system with water, monitoring the pressure to ensure it remains stable, and dewatering the system. Legends offers carbon filtration services to treat and clean hydrotested water before it is discharged back into the environment.
Compliance with all regulations, including 49 CFR 192 and 195
Retrofitting for non-piggable lines
State-of-the-art equipment operated by experienced technicians
Detailed documentation and record archiving
Pneumatic Pressure Testing
Pneumatic pressure testing is utilized for systems that cannot be filled with liquid or are considered non-piggable. This process involves pressurizing a system with compressed air or gas to verify its integrity. By utilizing pneumatic testing, systems can be tested faster and may even be more cost-effective.
Due to the nature of the compressed gases, Legends ensures strict adherence to codes and standards while conducting this service. This results in a controlled, compliant, and safe testing environment.