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Description
PSS-Dichtung 5 1/2' Welle, 8 5/8' StevenrohrDie PSS Wellendichtung Typ B 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 B 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.
Temperaturgrenzen: -13°F bis 425°F (-25°C bis 220°C)
Druckbegrenzungen: 3,5 BAR (50 PSI)
Grenzwerte für die Wellendrehzahl: 7.000 U/min.
Kohlenstoff-Graphit: Auf 4 HLB geläppt (0,00000044' Toleranz)
316SS / Nitronic 50: Gegenüber 9 Ra
Balgmaterial: Dornförmiges Silikon / Gewebe
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Exchange/Return Notes
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4.0 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 4
Happy to have a stainless steel one
I'm a female and I tried a few others, but this one seems to be more comfortable in my mouth. I would've given it five stars, but I wish it had one side, a little bit rougher than the other side. I'm spoiled with the one I had which was plastic, but it was perfect. Otherwise one was a milder scraping than the other side, and I seem to like the more aggressive scraping. People who have never used a tongue scraper will be just fine with this and I'm going to stay with this one. Just have to do it more times.
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Reviewed in the United States on February 22, 2026
★★★★★ 5
Solid and dependable product
This product has had a positive impact on my oral health. It is well made of solid stainless steel, and is comfortable to hold and use. I have no doubt this product will continue to work for me for years to come.
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Reviewed in the United States on April 15, 2026
★★★★★ 4
Well-Designed and Effective
This tongue scraper is high quality and feels well-made. The stainless steel construction is solid and doesn't feel cheap or flimsy. It has good weight to it and seems built to last with regular use.
It's easy to use right from the first time. The process is straightforward - you just hold the handles and gently scrape your tongue from back to front. No complicated technique needed, and it does what it's supposed to do effectively.
The two handles are really well designed, which makes it easy to control. Having a handle on each side gives you a comfortable grip and better leverage than single-handle scrapers. The dual-handle design lets you apply even pressure and maneuver it smoothly without awkward angles or slipping.
This works for both adults and kids with no issues. My teenager uses it without problems, and the ergonomic design fits different hand sizes comfortably. It's versatile enough for the whole family.
One thing I'm uncertain about is the rust-resistance longevity. It says it's rust-proof, but only time will tell how it holds up with daily use and exposure to water. So far it looks fine with no signs of rust, but I'll have to see if that continues months down the line. Another good thing is the edges are not sharp and you won't cut your tongue even if you apply some extra pressure.
The compact size makes it portable. I can easily pack it for travel or keep it in my bag for freshening up during the day. It doesn't take up much space.
For the price, this is recommended. You're getting a functional, well-designed tool that improves oral hygiene and gives you value for money. The dual-handle feature alone makes it worth it compared to basic scrapers. It's a simple addition to your routine that makes a noticeable difference.
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Reviewed in the United States on February 14, 2026
★★★★★ 5
Versatile Product
This tongue cleaner is made from high-quality metal and is easy to clean. Overall, it feels solid and hefty and is extremely comfortable to use. As such, I highly recommend this item.
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Reviewed in the United States on March 10, 2026
★★★★★ 5
Effective, Durable, and Great for Fresh Breath
The Zelmin’s Tongue Scraper is a simple yet highly effective tool for improving daily oral hygiene. The dual handle design makes it easy to hold and control, allowing you to reach the entire tongue surface comfortably. It removes buildup quickly and leaves your mouth feeling noticeably cleaner and fresher.
The metal is sturdy, rust resistant, and easy to clean after each use. It’s a big improvement over plastic scrapers that bend or lose effectiveness over time. This scraper is especially helpful before meetings, meals, travel, or any moment when fresh breath matters.
Pros:
Dual handle design offers great control and easy use
Durable, rust resistant metal that lasts long term
More effective than flimsy plastic scrapers
Helps eliminate odor causing buildup for fresher breath
Easy to clean and store
Cons:
Metal edges may feel firm for very sensitive tongues
Needs gentle pressure to avoid irritation
Larger size may take a moment to adjust to compared to plastic scrapers
Overall: This tongue scraper is effective, sturdy, and a great addition to your daily oral care routine. If you want fresher breath and a cleaner mouth with minimal effort, Zelmin’s scraper is an excellent choice.
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Reviewed in the United States on January 27, 2026