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!
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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
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How Does it Work?
Installations
Benefits
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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!
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Before Drawdown
After Drawdown
Water Level
Water Level
Level Sensing Float
Housing
Linkage
By-Pass Valve
Inlet
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By-Pass Flow PathBottom View of SepTek
12
3 33
Valve OPEN
Main Flow
By-Pass Flow
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How Does it Work?
Installations
Benefits
![Page 8: Mechanical Water Level Control - Durham Geo Water Level Control Precise drawdown without above-grade controllers!](https://reader034.vdocuments.net/reader034/viewer/2022051601/5ad5d7707f8b9aff228d96c0/html5/thumbnails/8.jpg)
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
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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
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How Does it Work?
Installations
Benefits
![Page 11: Mechanical Water Level Control - Durham Geo Water Level Control Precise drawdown without above-grade controllers!](https://reader034.vdocuments.net/reader034/viewer/2022051601/5ad5d7707f8b9aff228d96c0/html5/thumbnails/11.jpg)
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!)
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Installations
Benefits
Technical Info
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Characteristics:
Level sensing floatCompletely mechanical
Use with 2- or 3-wire pumpsUse single or 3-phase
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PUMP END
MOTOR END
SEP IV
Flow rates to 70 gpmDepths to 400 ft0.5 to 7.5 hp230 V (1 0r 3 phase)
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Performance Curves
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Sele
ctio
n Ta
bles
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