S2-100P Main

Stage 2 Float Valve


  • 1″ FPT Inlet and Outlet
  • Stage 2 Float Valves work with water pressure. Operating pressure range from 5-110 psi with flow rates to 250 GPM
  • Compact Design – a 2 1/2″ float is all that is required to shut off our 1 1/2″ valve. No bulky 8″, 10″ or 12″ floats, or long leverage arms are required. Will operate in 1/8 of the space as a standard mechanical valve of comparable inlet diameter.
  • Positive Shutoff – Unique design prevents chatter, water hammer and blow by.
  • Reduced Wear – Pilot valve operates independent of main valve extending functional life.
  • Replacement diaphragm & pilot valve available
  • Uses diaphragm Part # 71-D (with 1 small hole)


  • Fiberglass reinforced nylon body and valve bonnet
    • Chemical Resistant
    • High Strength
  • Stainless Steel Nuts and Bolts
    • No Rust
  • One (1) Piece Urethane Diaphragm
    • Chemical Resistant
    • Slow to close, no water hammer.
  • 1/2″ Red Plastic Pilot Valve
  • Many Configurations of the Standard Valve are available.


  • 4″H x 14 1/2″W x 3 1/4″D

s2100 flow rates

s2100p assemblies




S2-100P Gallery
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S2-100P-2 S2-100P-1 S2-100P-3




All Cleveland Valve Company products carry a one year warranty. The warranty is against defects in materials and workmanship for the stated period of warranty. The defective product will either be repaired or replaced. All returned items must be sent freight prepaid.




 The Most Compact and Corrosion Resistant Valves on the Market!