Edition: U.S.
Spectrum Labs, the leader in filtration and laboratory dialysis.
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Spectra/Por® Dialysis Recirculation Tank

Large Volume Dynamic Dialysis & Easy Management of Large Buffer Volumes

Recirculation Tank

The Spectra/Por® Dialysis Recirculation Tank makes dialysis of larger sample volumes ranging from 100 ml to 2 liters faster and more efficient. Since the 5 liter, 7 liter, and 10 liter Dialysis Recirculation Tank are equipped with flow-through inlet/outlet ports, the buffer source can be located remotely in a much larger reservoir (20 - 1000 liters) and continuously pumped via flexible tubing at a rate of 100-200 ml/min around the outside of the dialysis membrane tubing. This large volume dynamic dialysis with either buffer recirculation or single-pass (direct to drain) maintains a higher concentration gradient and rate of dialysis as compared to static buffer changes (4 - 10 volume changes). This increased efficiency often reduces the total buffer volume required for sample purification and saves time.


  • Connects to remote buffer source
  • Increases dialysis efficiency
  • Ideal for dialysis of 100 ml to 2 liter samples
  • Eliminates the need to change large buffer volumes
  • Reduces duration of dialysis
  • Small foot-print conserves space
  • Reduces the volume of buffer required

Ordering Selection


  • Dimension
Thumb 1
Tank Dimensions
Volume Size
5 Liter
7 Liter
10 Liter
Part Number
Total Height
63.0 cm
81.0 cm
121 cm
Base Width (with clamp)
23.5 cm
23.5 cm
23.5 cm
Top Outer Diameter
16.5 cm
16.5 cm
16.5 cm
Internal Diameter
10.5 cm
10.5 cm
10.5 cm
Modes of Operation

Recirculation Mode: Buffer flow returned to remote source

Single-pass Mode: Buffer flow directly to discharge/drain

1. Tank Body, (5, 7 or 10 L)
2. Sanitary Base Plate, 6 in.
316 SS
3. Adaptor, 1.5 in. San x 1/4 in. HB
4. Adaptor, 1.5 in. San x 1/2 in. HB
5. Sanitary Gasket, 6 in.
silicone Pt cured
6. Sanitary Gasket, 1.5 in.
silicone Pt cured
7. Sanitary Clamp, 6 in.
8. Sanitary Clamp, 1.5 in.
9. Instructions for Use
hi dave
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