![Parts for Pfeiffer Vacuum Pumps (by Precision Plus)](/i/art/sis/sis-logonew.png)
(by Precision Plus)
![Parts for BOC Edwards Vacuum Pumps (by Precision Plus)](/i/art/sis/sis-logonew.png)
(by Precision Plus)
19201007 : OEM=Edwards,Part Type=Valves,Description=Valve Piston,Pump Models=E1M40;E2M40,20404011 : OEM=Edwards,Part Type=Bearings,Description=Roller Bearing EM40,Pump Models=E1M40;E2M28;E2M30;E2M40,25904601 : OEM=Edwards,Part Type=Misc,Description=Ballast Valve E1M80,Pump Models=E1M40;E2M40,29201006 : OEM=Edwards,Part Type=Sight Glasses,Description=Sight Glass E1M80,Pump Models=E1M40;E1M80;E2M40;E2M80,00307046 : OEM=Edwards,Part Type=Springs,Description=SPRING,Pump Models=E1M18;E2M18,00714012 :...
![Centering Ring Assembly, 304 Stainless and Aluminum](/i/vacuum/fittings/qf25100srv.jpg)
Available with Viton® or Buna O-ring, this centering ring complete with O-ring should be used when joining any two NW flanges with a quick flange clamp.
![Inland 45 Mechanical Pump Oil](/i/vacuum/sis/inland-45.jpg)
Inland 45 is the highest quality rough pump oil you can use for your mass spectrometer.
![Wing-Nut Aluminum Clamp](/i/vacuum/fittings/qf16075cw.jpg)
Industry standard die-cast aluminum clamp.
![Blank Flanges in Brass, Aluminum and Stainless](/i/vacuum/fittings/qf16075bb.jpg)
In Brass and Aluminum and Stainless
![Stainless Steel Oil Mist Eliminator](/i/vacuum/sis/oilmist-filter.jpg)
Hermetic, Sealed, In-line Oil Mist Separator For Mechanical Vacuum Pumps.