Schaefer

Tri-Seal 

• 300 series stainless steel hub floats with the impeller maintaining a positive seal.
• Phenolic washer provides down-thrust protection.
• Acetal impeller provides high efficiency performance and abrasion resistance.
• Modified PPO diffuser and disc - proven abrasion resistant material.
• Floating stage design allows impeller to float independently.
• Removable, spring-loaded check valve.
• Maximum water temperature: 120 °F/ 49 °C.
• Ceramic shaft sleeve and rubber discharge bearing protect shaft and eliminate sand wear.
• Powered by Franklin Electric corrosion resistant 4-inch submersible motor with lightning protection.
• Patented impeller hub seal system seals radially and axially to prevent fluid recirculation, providing high performance in the harshest conditions.

High Capacity

• 4 performance ranges: 100, 150, 200 & 270 LPM.
• Stainless steel discharge head and motor bracket.
• High flow impellers and stages are glass-filled Noryl for maximum efficiency.
• Ceramic shaft sleeve and rubber discharge bearing eliminates sand wear.
• Intermediate bearing for increased shaft stability.
• Floating eye and hub seals improve performance and efficiency.
• Stainless steel hex pump shaft, shell and shaft coupling.
• High capacity upthrust assembly for protection during start-up and operation (150, 200 & 270 LPM models).
• Powered by Franklin Electric’s corrosion-resistant 4" submersible motor.
• 2" BSPP discharge threads. n External check valve must be ordered separately