Didsbury Engineering have launched a new trolley based Modular variant of their successful Purge~Air system for fuel tank entry. The new system allows customers to purchase individual modules reducing the initial cost. Further modules can then be added as required. All Purge~Air systems are designed to ensure safe and fast access into fuel tanks for inspection and maintenance. The basic module provides equipment to drain residual fuel, ventilate tanks and provides breathing apparatus. Additional modules include communications kit, lighting and rescue equipment.