Zoeller Pump Co. has released a new explosion-proof submersible sewage or dewatering non-clog pump in 1.0-7.5 Bhp. Models X611- X661 are rated for Class 1, Division 1, Group C & D applications and feature up to 3" solids handling capability, dual tandem seals, moisture probes, and are known for their "Cool Run" design. Models include 3" NPT vertical, and 3" or 4" horizontal flanged discharge. Zoeller Pump Co.