mechanical water level control - durham geo water level control precise drawdown without above-grade...

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