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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Viton® is a registered trademark of DuPont Dow Elastomers.
Nylon Gloves Nylon, lint free, durable, and ambidextrous.
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.
Pump Nipples With Side Port Aluminum Long Nipples with 1/8" NPT tap in the side for the addition of gauge tubes.
Buna-N O-Rings O-Rings are available in five different materials from Scientific Instrument Services.
Stainless Steel Oil Mist Eliminator Hermetic, Sealed, In-line Oil Mist Separator For Mechanical Vacuum Pumps.
Quick Flange Clamp, Aluminum and Stainless Quick action aluminum clamp with finger closure "T" knob for positive sealing of NW flanges.
Hose Adaptor, Aluminum For connecting rubber or plastic hose to NW flanges.
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.
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.
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.







