This company's A620 impeller has been designed and tested specifically for improved mixing performance in transitional flow regime blending applications. Certain applications, including smaller vessels and blending non-Newtonian materials, will benefit from the advantages of the unit's design. The double-blade design is developed and tested using exclusive Laser Doppler Velocimeter technology. Call 484/331.7639, or e-mail Julie.hoover@lighnin.spx.com.