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.

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

The below listed vacuum flange copper gaskets are made from OFHC copper.

Copper used.

All gaskets are .080" thick.

The following copper and gold plated copper gaskets are available
for the vacuum flanges on Thermo/Finnigan mass spectrometers.

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

Stainless steel nipples for clamping vacuum hose to NW flanges.

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

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

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.