External line check valve (1 1/4" or larger) required every 100 feet of vertical drop pipe. 900# or 1500# thrust motors required on all deep set submersible pump ends.
• 1 1/4" NPT cast iron discharge and NEMA faced mounting ring
• Integral stainless steel poppet check valve with elastomer sealing ring
• Stainless steel pump shell & cable guard
• Steel intermediate connector
• Thermoplastic impellers and diffusers
• Stainless steel hex drive shaft and coupling
• Selection of Franklin stainless steel motors - high thrust motors required on all deep set submersible pump ends