The Yamato 212571 is a 5-piece set of dry-flask caps with a 45° angled glass joint for the Yamato DC401 freeze dryer. The sealing caps that connect a dry flask to a flask-mounting port while angling the flask for convenient loading and drainage. This is the 45°-bend variant; the straight-joint version is code 212570. It supplies five caps to outfit a flask-drying setup on the DC401.
| Spec | Value |
| SKU | 212571 |
| Part | Dry flask cap with glass joint |
| Joint angle | 45° bent |
| Quantity | 5 pcs / set |
| Straight-joint equivalent | 212570 |
| Compatible dryer | Yamato DC401 freeze dryer (flask-mounting chamber / manifold) |
A pre-frozen flask must seal to a port on the DC401's flask chamber or manifold so vacuum can draw vapor into the trap, and the dry flask cap with glass joint is that seal (see cold-chain-sample-storage). The 45° bent version (212571) angles the flask relative to the port, making flasks easier to load on a crowded chamber and helping condensate drain rather than pool at the neck. Choose the 45° cap for convenience and drainage; choose the straight-joint 212570 where a vertical flask is preferred. Supplied as a set of five (see cold-storage-selection).
What is the 212571 for? It caps and seals a dry flask onto a DC401 flask-mounting port, with a 45° angled glass joint. A set contains five caps.
How is it different from the 212570? The 212571 has a 45° bent joint (angled flask); the 212570 has a straight joint (vertical flask). Both fit the DC401 flask ports.
Which dryer does it fit? The Yamato DC401 freeze dryer, used with its flask-mounting chamber (212560) or manifolds.
add to your DC401 order. Confirm you want the 45° bent joint (vs the straight 212570) and how many caps your flask ports require. Add it to your DC401 quote with the flask chamber and dry flasks.
DC401 flask caps, by joint: the 212571 (45° bent) angles the flask for easy loading and drainage; the 212570 (straight) keeps the flask vertical. Pair with dry flasks (120 mL 212820, 250 mL 212821) and a flask-mounting chamber (212560).
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