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.

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.

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.

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

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

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.

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