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, lint free, durable, and ambidextrous.

In Aluminum and Stainless Steel.

Aluminum Long Nipples with 1/8" NPT tap in the side for the addition of gauge tubes.

O-Rings are available in five different materials from Scientific Instrument Services.

This convenient o-ring kit contains 30 of the most popular sizes, for a total of 380 o-rings, in one convenient kit.

S.I.S. supplies 'O' Rings for replacement in various models of Varian diffusion pumps.

Stainless steel nipples for clamping vacuum hose to NW flanges.

PTFE is a popular o-ring which is white in color. The PTFE o-rings are popular for use in applications which require a chemically resistant and non-compressible material.

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.

PVC cord reinforced vacuum hose.
Light weight, low cost, and superior corrosion resistance.
Ideal for mass spec, food, and other applications.