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Dolphin Pumps are designed and manufactured for maximum efficiency and minimum power consumption, allowing for cost-
Fringe Tech Seals:
The fringe tech seal is available in a choice of four types to meet the requirements of almost all applications. The engineering design is the same for all 4 types available the difference is in the metals polymers and seal surfaces used. Therefore the Diamond series pumps can easily pump pure to very abrasive fresh and salt waters. Type 1 freshwater seal will last years longer than other freshwater seals through design and the use of much harder surfaces found in standard freshwater seals.
Type 1 Freshwater seal
Over double the work life expectancy of other style freshwater seals. 10-
Type 2 Marine
Designed for pumping clean non-
Type 3 Marine reef & other corrosive water
Designed for pumping water containing abrasive sand and minerals. A seal designed to outlast the motor.
Type 4 Fresh, marine and any abrasive water
With lifetime factory service guarantee. The leader in seal technology. A non-
All Dolphin Amp Master Pumps are manufactured using one impeller designed to operate on each motor as close to 100% efficiency as possible. For this reason we do NOT offer the gimmick of multiple impellers or smaller impellers on the same motor running at poor efficiency rates.
Flow rates on all Amp Master Pumps may be dialed back with a discharge ball valve to any desired flow rate with no harm to the pump. Amperage rate will drop as flow rate is reduced to your desired rate. The most efficient way to plumb any system is to install a ball valve at the discharge union then a tee fitting plumbing a closed loop manifold with return reducing tees wherever you want a flow return. A closed loop can be any shape or design as long as both ends return to the tee at the ball valve. This ensures even pressure through your return manifold.
All Dolphin Pumps have pre-
Dolphin 1.5” EZ Priming Basket -