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QED Sample Pro 3/4" Micropurge Bladder Pump


The Sample Pro Portable MicroPurge Pump is the first pump developed specifically to bring the advantages of low-flow sampling to sites where groundwater samples are collected from many monitoring wells with the same pump.

The Sample Pro Pump is easy to disassemble, without any tools, and simple to clean to eliminate any potential cross contamination. That includes the exclusive Sample Pro disposable bladder, which snaps in and out without any clamps, so they can be discarded after each well is sampled.

The Sample Pro pump is available in two diameters: 1.75" (4.45cm) to fit in 2" (50mm) monitoring wells or larger; and 3/4" (1.91 cm) to fit small diameter wells and direct-push boreholes. Both pump models are capable of pumping from depths up to 200 feet (61m).



Pump Model: Sample Pro 3/4 in.

Outside Diameter: 0.75 in. (19 mm)

Length:  10.75 in. (273 mm) with Push-In Fittings

9.18 in. (233 mm) from Bottom of pump to centerline of inlet

Weight : 0.5 lbs. (0.23 Kg)

Maximum Lift:  200 ft. (61 m)

Volume per Stroke*:  0.33-0.50 oz (10 - 15 mL)


Materials of Construction

Body and Cover:  316 Stainless Steel

Inlet, Discharge & Head:  303 Stainless Steel

Bladder:  Polyethylene

O-Rings:  Viton®


Fitting Type:  Push-in Fitting w/ 316 Stainless Steel Grab Plate

Air Fitting:  1/8 in. (3.2 mm) OD

Fluid Discharge:  1/4 in. (6.4 mm) O.D.


Pump Part Numbers


Toll Free: 1-888-233-3535