A15P22 Adapter (19500021): Matching Tubes to Rotor Hardware

A15P22 （19500021）

In bench centrifugation, the rotor holds the tube, but the adapter sets the fit. It bridges the nominal 15 mL capacity and the physical dimensions of whatever tube the protocol specifies.

The listing gives two tube formats: a 17×120 mm centrifuge tube and a 13/16×100 mm blood collection tube. Both are named as compatible, which suggests the adapter accommodates more than one tube diameter.

Packaging is stated at 24 pieces per pack, a set size suited to rotors that accept multiple tubes per run.

Compatibility is limited to three named rotor or adapter models: S6-15, A24-15P, and A8-15P. The input does not describe the underlying instrument platform or whether other rotors accept the same part.

For procurement, the practical questions are dimensional tolerance and material. Centrifuge adapters are commonly machined or molded to tight tolerances, and the listing supplies no material, autoclavability, or chemical-resistance data.

Buyers should also confirm that the adapter, once loaded, still fits the rotor’s stated maximum tube length, since insert depth affects whether tubes seat correctly during acceleration.

A model number alone is weak evidence. The verifiable facts are the tube formats, the pack count, and the three named rotor models; everything else requires confirmation from the supplier.

Why it matters:
Rotor fit and tube dimensions are the two failure points in centrifuge setups. Verify both against the instrument manual before ordering, and request material and sterilization documentation if the workflow demands it.

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