Nash Vectra vacuum pumps occupies the small range from 35 m3/hr to 210 m3/hr. The power ranges from 1.5HP to 10 HP. It is designed to use less energy and less water and it is possible to save 40% on power consumption and 50% on water usage. The cast iron pump includes a corrosion resistant pump casing to reduce internal corrosion and maintain peak performance. A patented gas scavengaging feature has also been employed to provide superior performance and longevity at high vacuum level.