The Dura-Seal 4700, with a 4” port size, is our most versatile, all-purpose pump with industry leading flow volume of up to 660 gallons per minute (2.50 m3/minute) when equipped with our progressive helical steel gears. This pumps premium components include: high performance elastomeric and Viton® lip seals, high load carrying bearings, NEW aluminum-bronze bushings and gears all ‘perfectly balanced’ on the industry’s largest diameter nitrided shaft. Because of the balanced configuration, this pump performs more efficiently and lasts longer.
