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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Viton® is a registered trademark of DuPont Dow Elastomers.
Nylon Gloves Nylon, lint free, durable, and ambidextrous.
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.
Diffusion Pump O-Ring Kits S.I.S. supplies 'O' Rings for replacement in various models of Varian diffusion pumps.
Pump Nipples With Side Port Aluminum Long Nipples with 1/8" NPT tap in the side for the addition of gauge tubes.
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.
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.








