... pumps, diffusion pumps, molecular pumps pump the first stage, the maintenance of pumps, pre-titanium pump pumping pumps. Can be used in manufacturing electric vacuum container, vacuum ... chemicals, pharmaceuticals, universities and other departments.Main features of rotary vane vacuum pump1. Small size, light weight, low noise2. Equipped ... (v)220220/380220/380Weight(kg)162024 2XZ-4 rotary vacuum pump