A high performance air driven fan constructed from Stainless Steel. These non-sparking (ATEX approved) fans can achieve deep penetration and operate at low pressures. Highly efficient air motors minimize air consumption, supply or extract mode y simple reversal of air supply, and can be supplied for horizontal mounting. High air flow throughput and high static pressure. Integral ‘Direct In-Line’ drive no gearbox to maintain or fail. Ancillary equipment is also available (layflat and rigid hoses, ducting, fittings, adaptors, transport trolley) on request. Class Approved for use in hazardous areas. VP650A: Made of 316 Stainless Steel , designed to be lightweight and therefore extremely portable. Suitable for use on all types of vessels, particularly oil, gas, product, chemical, handysize, SR and LPG vessels. VP950AS: Made of 316 Stainless Steel , suitable for all types of oil, gas, product, chemical, LR2, LR1, MR and LPG vessels.