# Lifetech SP 638: High-Flow Submersible Pump for Professional Aquatic Applications The Lifetech SP 638 submersible pump delivers exceptional high-flow performance with superior energy efficiency, making it the ideal solution for koi ponds and various aquatic installations. Featuring complete waterproof protection within a solid plastic housing (IP68) and integrated overload protection, this pump combines reliability with advanced engineering. ## Applications: - Garden ponds - Fish ponds - Indoor and outdoor fountain systems ## Key Features: - Energy-efficient split tube motor design - Dual strainer/filter system that extends impeller cleanliness - All electrical components fully encased in plastic resin block - Durable ceramic bearings tested for continuous operation - Large, easily removable pre-filter - Reduced maintenance frequency due to optimized water flow - Compatible with both freshwater and saltwater environments - Simple maintenance with removable rotor for cleaning - Versatile installation options: submersible or inline (external) operation - Motor overload protection system prevents burnout ## Technical Specifications: - Power: 700 watts - Maximum Head: 11.5 meters - Outlet Thread: 2 inches - Inlet Thread: 2 inches - Included Nipple Accessories: 1½ inch (38mm), 2 inch - Maximum Flow Rate: 38, 000 liters/hour - Dimensions: 39.8 x 17.5 x 20.3cm (LxWxH) The Lifetech SP 638 combines professional-grade performance with operational efficiency, providing a reliable pumping solution for demanding aquatic environments where high flow rates and dependable operation are essential.