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 | 0*Standard lead-time for non-stock items is approximately two weeks depending on the item. | Contact Us | |
| DK2 | For M-4 Pumps, pkg of 10, (B258) butyl inlet flange and 10(V111) Viton(R) Fill and drain O-Rings | 0†Lead time for this non-stock item is approximately 7 days. | Contact Us | |
| 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 | 0*Standard lead-time for non-stock items is approximately two weeks depending on the item. | Contact Us | |
| DK4 | For M-6 Pumps, pkg of 10, (B267) butyl inlet flange and 10 (V111) Viton(R) Fill and drain O-Rings | 0*Standard lead-time for non-stock items is approximately two weeks depending on the item. | Contact Us | |
| Unit of measure for ordering is PK. | ||||
|
* Standard lead-time for non-stock items is approximately two weeks depending on the item. † Lead time for this non-stock item is approximately 7 days. | ||||
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Kalrez® and Viton® are registered trademarks of
E. I. DuPont de Nemours
Nylon Gloves Nylon, lint free, durable, and ambidextrous.
1/4" NPT, 304 Stainless Steel Koby Fitting in Stainless Steal
Flange Adaptor to ¼" NPT, 304 Stainless Steel, Brass, Aluminum In Aluminum, Stainless Steel, and Brass
Invoil 20 Pump Oil Double Distilled
Hose Adaptor, Aluminum For connecting rubber or plastic hose to NW flanges.
Invoil 704 Diffusion Pump Fluid Invoil 704 is a single component silicone diffusion pump fluid for high vacuums 10-6 to 10-8 torr range.
Diffusion Pump 'O' Ring Kits S.I.S. supplies 'O' Rings for replacement in various models of Varian diffusion pumps.
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.
Copper Gaskets for Vacuum Flanges The below listed vacuum flange copper gaskets are made from OFHC copper.
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.






