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.

Invoil 704 is a single component silicone diffusion pump fluid for high vacuums 10-6 to 10-8 torr range.

Koby Fitting in Stainless Steal

In Aluminum, Stainless Steel, and Brass

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

Stainless steel nipples for clamping vacuum hose to NW flanges.

Double Distilled

In Aluminum and Stainless Steel.

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

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.

Hermetic, Sealed, In-line Oil Mist Separator For Mechanical Vacuum Pumps.

Quick action aluminum clamp with finger closure "T" knob for positive sealing of NW flanges.