Within Edwards' full range of liquid ring vacuum pumps, the EHR/SHR series offers a two stage construction for peak performance at low suction pressures. Liquid ring pumps are ideal for pumping either dry or wet gases with a high tolerance to liquid carry over. Pumps are available in a variety of materials which can be selected to handle the pumped process media.
All Edwards liquid ring vaccum pumps are available as part of ATEX category 1 or category 2 pump systems. The EHR2390 is ideal for vacuum distillation and evaporator applications in the chemical, pharmaceutical and biofuels industry, and is also suited to condenser air extraction in the power industry.
Pumps can be supplied as bareshaft or as part of a package complete with drive motor, discharge separator,heat exchanger and other accessories for recirculation of the seal liquid.
Features and Benefits
l Two stage design一peak efficiency at high vocuum
l Rugged, robust construction
l Minimum number of body joints
l Operates across entire vacuum range
l Externally mounted bearings
l Mechanical shaft seals
l Choice of construction materials