  
WellMate Fiberglass Pre-charged 47 Gallon Bladder Tank WM14WB. Equivalent in drawdown to a 140 gallon galvanized atmospheric tank. Connection: 1-1/4" MNPT (Male pipe thread. Carton dimensions: 41" H X 21.5" W X 21.5" L, Weight: 42 lbs.
Specifications:
- Volume: 47 Gallons.
- Inner liner: Blow-molded polyethylene.
- Outer shell: Filament wound with fiberglass roving and epoxy resin.
- Bladder: Heavy-gauge polyurethane (Separates air and water).
- Bottom inlet/outlet assemnbly: High-impact PVC
- Air connection: Standard tire valve.
- Precharge: 24 PSI as per DOT CFR Title 49. Pressure must be adjusted accordingly upon final product installation
- Recommended Precharge: 4 PSI lower than pump cut-in pressure
- Maximum operating pressure: 100 PSI
- Maximum temperature: 120 degrees Fahrenheit
- Connection: 1-1/4" MNPT (Male pipe thread)
- Carton dimension: 41" H X 21.5" W X 21.5" L
- Weight: 42 lbs.
- All materials are NSF and FDA listed
Wellmate Pressure Tank WM14WB
Drawdown In Gallons At Various Pressure Ranges
| Tank Drawdown In Gallons |
Pressure Range (PSI) |
| 13.60 |
20/40 |
| 14.10 |
30/50 |
| 12.22 |
40/60 |
| 10.81 |
50/70 |
| 9.87 |
60/80 |
| 705 |
80/100 |
Tank drawdown is he amount of water that can be removed from a tank, when it is full, before the tank pressure drops and the pump is turned on to refill the tank. A larger tank gives more drawdown which means that more water is available before the pump is needed.
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