mechanical water level control - durham geo water level control precise drawdown without above-grade...
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Mechanical Water Level Control
Precise drawdown without above-grade controllers!
When / Why/ Where is it used?
When: Used to maintain a precise drawdown level in a well for extended periodsWhy: because it increases pump life (by reducing the number of motor starts and stops)Where:
Leachate RecoveryDissolved Phase RecoveryPlume controlDewatering
How Does it Work?
Installations
Benefits
SEP
IVSe
pTek
Use the SepTek /SEP IV Combo!
Simply place SepTek in line above the SEP IV or other electric pump exactly where the desired water level is to be maintained and walk away!
Before Drawdown
After Drawdown
Water Level
Water Level
Level Sensing Float
Housing
Linkage
By-Pass Valve
Inlet
By-Pass Flow PathBottom View of SepTek
12
3 33
Valve OPEN
Main Flow
By-Pass Flow
How Does it Work?
Installations
Benefits
Cone of Depression
By-Pass Water
8” PVC Casing
Static Water Level
Submersible Pump (4 in dia.)
1” Poly Tubing
SepTek + SEP IV
Typical Landfill Installation
Accumulated Product
Cone of Depression
Water Level Stabilized Using
SepTek
By-Pass Water
Water Pumping Pipe
Recovery & Drawdown Well
Product Recovery PipeStatic Water
Level
Submersible Pump
Product Recovery
Installation
SepTek
How Does it Work?
Installations
Benefits
Benefits:Longer pump life because the pumps is not cycled ON and OFFNO above-ground controllers, expensive relays, throttling valvesAssures max. water yield of the well at all timesEasy to set up (Set and Forget!)
Installations
Benefits
Technical Info
Characteristics:
Level sensing floatCompletely mechanical
Use with 2- or 3-wire pumpsUse single or 3-phase
PUMP END
MOTOR END
SEP IV
Flow rates to 70 gpmDepths to 400 ft0.5 to 7.5 hp230 V (1 0r 3 phase)
Performance Curves
Sele
ctio
n Ta
bles