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Question: Wedge mechanical seal orientation in vacuum

Thread starter heiken01
Start date Jul 25, 2024

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3 replies · 1K views

heiken01

Thread starter
Jul 25, 2024

#1

TL;DR: Hello all,

I will use two 59U-25 ca-sic-ptfe wedge mechanical seals, in a top mounted, low speed (14rpm) mixer. Solvent heated to 100 celsius, -900mbar vacuum applied. So, steam will be in contact with the seal. I was wondering, how is the right way to install these?

Back to back or tandem?

Thanks!

Mechanical seal config.JPG

Last edited: Jul 25, 2024

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Lnewqban

Homework Helper

Gold Member

Jul 25, 2024

#2

Welcome, @heiken01 !

What the manufacturer of the seals recommend?

heiken01

Jul 25, 2024

#3

Lnewqban said:

Welcome, @heiken01 !

What the manufacturer of the seals recommend?

Hi! Purchased on Alibaba. They dont know either

berkeman

Admin

Jul 25, 2024

#4

heiken01 said:

Hi! Purchased on Alibaba. They dont know either

I believe Alibaba is just a reseller, like Amazon or eBay. What is the brand of the seals? Who is the manufacturer? That is who you need to ask.

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