Probe Software Users Forum

General EPMA => EPMA Instrument Water, Vacuum and Power Issues => Topic started by: John Donovan on March 31, 2014, 10:10:44 PM

Title: Useful Vacuum Technology
Post by: John Donovan on March 31, 2014, 10:10:44 PM

We have these roughing "bypass" valves on all our roughing pumps:

http://probesoftware.com/smf/index.php?topic=120.msg487#msg487

Prevents thin window blowouts when pumping down from atmosphere.

Title: Re: Useful Vacuum Technology
Post by: John Donovan on July 20, 2014, 12:51:59 PM

My engineer reports lesker.com has the following:

KF25 size, pn 31128-KASO    for $135 (only 1 left in stock)

KF40 size, pn 31132-KASO  for $148 (4 in stock), and you'd likely need 2 KF40/25 adapters to fit these in your system

Title: Re: Useful Vacuum Technology
Post by: Probeman on December 08, 2014, 02:55:27 PM

Here are some pictures of these slow opening rough values on our SX100 (and also the Sx50):

http://probesoftware.com/smf/index.php?topic=332.msg2077#msg2077