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Description
PSS-Dichtung 3/4' Welle, 1 1/4' StevenrohrDie PSS Wellendichtung Typ A ist eine mechanische Gleitringdichtung. Die Dichtflche entsteht zwischen den ebenen Flchen des rotierenden Edelstahlrotors und dem stationren Kohleflansch. Der stationre Kohleflansch wird mit Schlauchklemmen an der Vorderseite des Balges und das hintere Ende des Balges ber das Sternrohr befestigt und wird mit Schlauchklemmen gesichert. Der Edelstahlrotor ist auf der Welle vor dem Kohleflansch montiert. Der Edelstahlrotor
Die PSS Wellendichtung Typ A ist eine mechanische Gleitringdichtung. Die Dichtfläche entsteht zwischen den ebenen Flächen des rotierenden Edelstahlrotors und dem stationären Kohleflansch.Der stationäre Kohleflansch wird mit Schlauchklemmen an der Vorderseite des Balges und das hintere Ende des Balges über das Sternrohr befestigt und wird mit Schlauchklemmen gesichert. Der Edelstahlrotor ist auf der Welle vor dem Kohleflansch montiert. Der Edelstahlrotor wird verwendet, um den Balg zu komprimieren, bevor der Rotor mit Stellschrauben an der Welle befestigt wird. Diese Kompression (Vorspannung) sorgt für einen konstanten Kontakt zwischen den beiden flachen Seiten des Edelstahlrotors und des Kohleflansches. Dadurch kann die PSS Wellenabdichtung die variable Vorwärts- und Rückwärtsbewegung - bedingt durch den Propellerschub - ausgleichen. Der Kohlenstoffflansch ist zum Wellendurchmesser überbohrt, so dass er um die Welle herum 'schwimmen' kann und somit die meisten Fehlausrichtungs- und Schwingungsprobleme ausgleicht. Der Rotor aus rostfreiem Stahl ist durch zwei O-Ringe, die in die Bohrung des Kragens eingelassen sind, gegen die Welle abgedichtet. Diese O-Ringe rotieren mit der Welle und dem Edelstahlrotor und unterliegen keinem Verschleiß während des Betriebs.
Temperaturbegrenzungen: 5°F bis 225°F (-15°C bis 107°C)
Druckgrenzen: 15 PSI (1 BAR)
Grenzwerte für die Wellendrehzahl: 10.000 U/min.
Kohlenstoff-Graphit: Auf 4 HLB geläppt (0,00000044' Toleranz)
316SS / Nitronic 50: Gegenüber 9 Ra
Balgmaterial: Geformtes Nitril - PVC
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4.9 ★★★★★
Based on 1595 reviews
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Product Reviews
★★★★★ 5
Perfect
Color: Black
The Lamicall Car Headrest Tablet Holder (3-in-1 Extendable) is exactly the adulting hack I didn’t know I needed until now. If you’ve ever tried to hold a tablet for a kid on a long ride and felt your arm turn into jelly, this thing is your escape plan.
Setup is painless. It snaps onto the headrest in seconds and stays put like it actually wants to work. No wrestling with screws or an instruction manual written in ancient hieroglyphs.
Stability is legit. Once the tablet is locked in, it doesn’t wobble, jiggle, or threaten to fall — even when someone in the backseat is basically auditioning for an earthquake simulation. That peace of mind alone makes this worth it.
The 3-in-1 extendable design is slick. Adjust it for different viewing angles and distances so everyone (yes, even the seatmate who insists on leaning sideways) gets a great view. Landscape? Portrait? Gaming? Movie time? Covered.
Build quality feels solid and durable, not like something that’ll snap after a few uses. It works with a range of tablet sizes too, so you aren’t limited to one device.
Overall, this holder just works exactly how you want it to. Five stars because it’s practical, sturdy, and actually makes life easier — especially when peace in the backseat is on the line.
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Reviewed in the United States on January 10, 2026
★★★★★ 5
perfect for road trips
Color: Black
my sister lives 3 hours away, and being that i usually travel by myself with 2 small children, it's sometimes hard to keep them entertained for the trip. my husband bought this for me to keep in my car in case i need it and it has absolutely come in handy a few times. it's super sturdy, it fits perfectly behind my seat without taking up too much space or making my daughter feel cramped. it's challenging to use while driving when it's directly behind you but it does swivel close enough that you're able to do some things on the screen. however it does make it SUPER simple when you're in the passenger seat.
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Reviewed in the United States on April 22, 2026
★★★★★ 5
Used for 3 years, buying again!
Color: Black
Bought 2 of these 3 years ago. One of them just broke (a crucial plastic piece snapped so not fixable). But with the low price and the countless road trips we’ve used these on I feel I’ve gotten my moneys worth. Purchasing again. 5 stars.
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Reviewed in the United States on May 28, 2026
★★★★★ 4
Works ok. But not for thick cases
Color: Black
Works ok so far. Not good for thick tablet cases. Like foam ones or protective ones for kids.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Simple, easy, great!
Color: Black
10 out of 10 would recommend. We used it in our spring break trip and it was great. Held not only our kids iPads but phones as well. It was easy to install, not too expensive and for us it helped prevent car sickness which hits us all sadly. The fit was nice because it was adjustable, and the fact that the kids didn’t have to hold them for as great! This product was seriously the Best purchase I think I’ve done.
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Reviewed in the United States on May 7, 2026