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.
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.
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.
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.
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.
Rollerflex Vacuum Hose PVC cord reinforced vacuum hose.
Light weight, low cost, and superior corrosion resistance.
Ideal for mass spec, food, and other applications.
Hose Adaptor, Aluminum For connecting rubber or plastic hose to NW flanges.







