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.

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

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

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.

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

Double Distilled

For connecting rubber or plastic hose to NW flanges.

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.