Pentair | DMJ3-172 | Sta-Rite D Series Cast Iron Self-Priming Pump | 5.0 HP 3-Phase 230/460V
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The Pentair DMJ3-172 Sta-Rite D Series Pump is a 5.0 HP three-phase cast iron self-priming centrifugal pump engineered for commercial and semi-commercial pool and spa applications. Designed for 230/460V, 60 Hz operation, this pump delivers high-performance water circulation with reliable self-priming capability. Its rugged cast iron construction and precision-balanced brass impeller support long service life and efficient hydraulic performance in demanding aquatic environments.
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Key Features
• 5.0 HP three-phase motor rated for 230/460V, 60 Hz operation.
• Self-priming centrifugal pump design for commercial pool systems.
• Cast iron pump body and seal plate for durability and structural strength.
• Closed silicon brass impeller engineered for non-overloading performance.
• Back pull-out design allows motor and seal service without disturbing plumbing.
• Continuous-duty rated motor operating at 3450 RPM.
• Suitable for outdoor installation in commercial and aquatic facilities.
• Capable of operating up to 75 psi and 200°F liquid temperature.
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Product Overview
The Pentair DMJ3-172 Sta-Rite D Series Pump is built to meet the performance demands of commercial pools, aquatic centers, water parks, and fountain systems. As a self-priming centrifugal pump, it maintains reliable suction lift and steady circulation even in applications requiring consistent high head performance. The cast iron construction provides structural integrity, while the closed brass impeller is dynamically balanced to promote smooth, quiet operation and extended seal life.
Designed with a back pull-out configuration, the D Series allows service access to the impeller, seal, or motor without removing connected piping, reducing maintenance downtime. The three-phase 230/460V motor delivers stable electrical performance and is rated for continuous-duty operation. Built for high-temperature and high-pressure capability within commercial standards, the DMJ3-172 offers dependable, long-term circulation performance for professional aquatic installations.