High Pressure 25MPa Industrial Direct Drive Air Compressor for Factory Use with Large Capacity Natural Gas. High-Pressure Air Compressor for Leak Testing of Pipelines, Pressure Gauges, Cylinders and Valves. Integrated High-Pressure Pneumatic System for Pressure Tightness Inspection of Piping, Instrumentation, Gas Vessels and Valve Assemblies. Precision High-Pressure Compressor Unit for Leak Detection in Pipe Networks, Pressure Gauges, Cylinders and Valve Seals.