The Z206-50-A15 is a 15 mL tube adapter that drops into the 50 mL position on the Z206-0650 (6 × 50 mL angle rotor) for the Hermle Z206-A chassis — sold as a 6-pack, which equips the complete 6-position rotor with adapters in a single SKU. The adapter converts a 50 mL workflow rotor into a 15 mL workflow rotor without rotor swap, useful when 50 mL is the lab's primary format but occasional 15 mL workflows arise.
Key Specifications
| SKU | Z206-50-A15 |
| Type | Tube adapter — 50 mL position → 15 mL tube |
| Pack quantity | 6 adapters per SKU (matches the Z206-0650 6-position rotor) |
| Tube format accepted | 1 × 15 mL conical or 15 mL round (17 mm OD, 120 mm length per position) |
| Compatible rotor | Z206-0650 (6 × 50 mL angle rotor) |
| Compatible chassis | Z206-A |
| Max. operating speed (with adapter) | Per Z206-0650 spec — 6,000 rpm at 4,427 × g maximum |
| List price | $161 (6-pack) |
Compatibility & When to Order This SKU
Adapter pairing — Z206-0650 50 mL angle rotor only. The Z206-50-A15 is engineered to fit the 50 mL position envelope on the Z206-0650 rotor. Order this SKU when:
- Commissioning a Z206-0650 for mixed 50 mL / 15 mL workflows — order 1 unit for a complete 6-adapter set.
- Adding 15 mL capability to an existing Z206-0650 install that currently runs 50 mL workflows.
- Replacement adapters if a current set is damaged or worn.
- Spare adapter inventory for facilities running mixed-format workflows that benefit from rotating adapter sets between protocols.
Application Profile
Pack quantity matches rotor positions. The Z206-0650 rotor has 6 × 50 mL positions; the 6/pk adapter SKU equips the entire rotor. Symmetric balance requires either all 6 positions adapted (15 mL workflow) or all 6 positions empty of adapters (50 mL workflow) — mixed adapter / non-adapter loading produces mass asymmetry.
15 mL tube format compatibility. Standard 15 mL conical tubes (Falcon, Corning, 17 mm OD) seat into the adapter. 15 mL round tubes of similar dimensions also fit; verify tube OD against the adapter envelope at first use of any non-standard format.
Workflow flexibility. A single Z206-A chassis with the Z206-0650 rotor and a Z206-50-A15 adapter set can switch between 50 mL workflows (no adapters) and 15 mL workflows (full adapter set) without rotor swap — useful for labs whose tube format varies by protocol.
Design Architecture
Mixed 50 mL / 15 mL workflow consolidation — when the lab's primary tube format on the Z206-A is 50 mL but a subset of protocols uses 15 mL, this adapter set converts the rotor for the 15 mL runs without buying a dedicated 15 mL rotor.
Cell-culture pellet recovery in 15 mL — when a cell-culture workflow batches 6 tubes per cycle in 15 mL conical format and the chassis is already equipped with the 50 mL rotor.
Educational lab format flexibility — teaching labs that rotate between 15 mL and 50 mL teaching exercises on the same Z206-A.
Small-clinical research workflows — phlebotomy or sample-prep protocols that occasionally use 15 mL collection tubes alongside the lab's primary 50 mL format.
Ordering & Configuration
Symmetric adapter loading. All 6 positions must be either adapted or non-adapted — mixed configurations produce balance asymmetry at 6,000 rpm.
Adapter seat verification. Per Hermle service instructions, confirm each adapter is fully seated in its 50 mL position before loading the 15 mL tube.
Z206-50-A15 ships as 6 adapters. 15 mL tubes are operator-supplied (commodity 15 mL conical and round formats).
Confirm at quote: rotor pairing (Z206-0650 in inventory or ordered separately), chassis pairing (Z206-A), tube format (standard 15 mL confirmed), and lead time.
Warranty: 5-Year Hermle warranty (3 years full + 2 years drivetrain) on the adapters.
Z206-0650 rotor adapter family:
- Z206-50-A15 (this product) — 15 mL conical or round adapter
- Z206-50-A57 — 7 mL round adapter
- Z206-50-A5C — cushion for 5 mL tube within the Z206-50-A57 adapter (nested adapter approach for the smallest tube format)
Match the adapter to the workflow's tube format; nest the A5C cushion inside the A57 adapter for 5 mL workflow on the same 50 mL rotor.
