Description
S.I.S. supplies 'O' Rings for replacement in various models of Varian diffusion pumps. Additional sizes and types of 'O' Rings are listed in the 'O' Ring section of this catalog.
| Diff. Pump O-Ring Kit | ||||
| Part No. | Description | Quantity In Stock |
Price /PK |
Order |
|---|---|---|---|---|
| DK1 | For M-2 and HS-2 Pumps, pkg of 10 (B238) butyl inlet flange O Rings | DISCONTINUED | --- | --- |
| DK2 | For M-4 Pumps, pkg of 10, (B258) butyl inlet flange and 10(V111) Viton(R) Fill and drain O-Rings | DISCONTINUED | --- | --- |
| DK3 | For VHS-4 Pumps, pkg of 10, (B258) butyl inlet flange, 10 (B238) butyl foreline flange and 10(V111) Viton(R) Fill and drain O-Rings | DISCONTINUED | --- | --- |
| DK4 | For M-6 Pumps, pkg of 10, (B267) butyl inlet flange and 10 (V111) Viton(R) Fill and drain O-Rings | DISCONTINUED | --- | --- |
| Unit of measure for ordering is PK. | ||||
| * Call for availability. | ||||
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Kalrez® and Viton® are registered trademarks of
E. I. DuPont de Nemours
Nylon Gloves Nylon, lint free, durable, and ambidextrous.
Buna-N O-Rings O-Rings are available in five different materials from Scientific Instrument Services.
Invoil® 705 diffusion pump fluid Invoil 705 silicone diffusion pump fluid is a single component fluid designed for ultra high vacuum systems in the 10-7 to 10-9 torr range.
Copper Gaskets for Vacuum Flanges The below listed vacuum flange copper gaskets are made from OFHC copper.
VG Copper Gaskets Copper used.
Copper Gaskets for Agilent (or HP) Mass Specs All gaskets are .080" thick.
Copper and Gold Plated Cu Gaskets for Thermo/Finnigan MS The following copper and gold plated copper gaskets are available
for the vacuum flanges on Thermo/Finnigan mass spectrometers.
O-Ring Kits This convenient o-ring kit contains 30 of the most popular sizes, for a total of 380 o-rings, in one convenient kit.
Diffusion Pump 'O' Ring Kits S.I.S. supplies 'O' Rings for replacement in various models of Varian diffusion pumps.
Hose Adaptor, Aluminum For connecting rubber or plastic hose to NW flanges.
Invoil 20 Pump Oil Double Distilled
Centering Ring Assembly, 304 Stainless and Aluminum 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.





