4" Heavy Duty Screw Pumps for Water & Wastewater Heavy Duty screw pumps for 4" applications Typical Lifespan: 10,000-50,000 hours This Part in Other Industries Aerospace Automotive Manufacturing Chemical Processing Food & Beverage Marine Mining Oil & Gas Pharmaceutical Power Generation Pulp & Paper Steel & Metals Related Resources View All Screw Pumps More Screw Pumps for Water & Wastewater