This document discusses the confusion that exists in the vacuum industry regarding which oils can be substituted for others. It provides a list of vacuum pump oils, diffusion pump oils, booster pump oils, and grease grades made by Supervac along with their equivalent grades from other manufacturers. The key properties that make the oils interchangeable are described. The conclusion states that Supervac oils provide reasonably priced, high quality alternatives to costly manufacturer-recommended oils, with global availability and long service life.

1. Vacuum Oil Equivalents
A lot of confusion exists in the vacuum industry.
Reasons-
1. Engineers do not know which oil is equivalent to the
oil supplied by their plant manufacturer.
2. Equipment manufacturers rarely give detailed
specifications of vacuum oil to be used.
3. Equipment manufacturers keep changing their
recommendation from time to time.
4. The vacuum oils supplied by equipment
manufacturers are prohibitively costly which is a big
drain on the very profitability of operations.
5. Availability of oil recommended by the plant
manufacturer may not be there in the country of
user.
User of equipment therefore is forced to pay through the nose and also keep huge inventory of vacuum oil.
6. Sometimes vacuum oil being used goes out of production leaving users in the lurch, For example
production of DC-704 was discontinued and equipment
manufacturers never bothered to inform users of a replacement.
Users were left wondering what to use in place of DC-704.
Users of Vacuum equipment are most of the time wondering “What
if a database existed which clearly told me which vacuum oil can be
substituted by what vacuum oil”. Even better – if this database gave
him transparent, easy to understand reason
s as to why one vacuum oil is alternative to the other vacuum oil.
This would surely save a lot of money and botheration for vacuum
equipment users.
Based on my exhaustive and in-depth study of vacuum oils, I have
prepared an extensive list of vacuum oils being used by the vacuum
industry and their equivalents/replacement. The list also details the
important properties of these oils because of which these are
substitutes.

2. DIFFUSION PUMP OIL
Supervac Grade Equivalent Oils Common Properties that make
them Interchangeable
SV-Sigma High Vacuum Silicone
Diffusion Pump Oil
1. DC-704
2. CVC-4
3. Hivac F4
4. Ulvoil D31
5. Indomet Tetra
6. Santovac 4
1. Silicone Diffusion Pump Oil.
2. Ultimate vacuum of the
order of 1 x 10-7
Torr.
3. Boiling Temperature 2200
C
4. Gasses being pumped out are
corrosive or have high
moisture.
5. Long service life.
SV-Sigma + Ultrahigh Vacuum
Silicone Diffusion Pump Oil
1. DC-705,
2. Hivac F5.
3. Santovac 5
1. Silicone Diffusion Pump oil.
2. Ultimate vacuum of the order
of 1 x 10-9
Torr.
3. Boiling temperature 2550
C.
4. Gives very clean vacuum.
5. Very long service life.

3. SV-Sigma Fast Silicone Diffusion
Pump Oil
1. DC-702.
1. Silicone Diffusion Pump Oil.
2. Ultimate Vacuum of the
order of 1 x 10-6
Torr.
3. Boiling temperature 1900
C
4. Vacuum is created very fast.
5. Long service life.
SV-Delta Diffusion Pump Oil
1. Lion S
2. Lion A
3. Ulvoil D11.
4. CVP 300
5. CONVOIL 20
1. Hydrocarbon Diffusion Pump
Oil.
2. Ultimate Vacuum of the order
of 1 x 10-5
Torr.
3. Boiling Temperature 2350
C.
4. Economy of operation is very
important.
5. Service life 3-6 months.
ROTARY VACUUM PUMP OIL
Supervac Grade Equivalent Oils
Common Properties that
make them Interchangeable
SV-77 Rotary Vacuum Pump Oil 1. GS-77
2. LVO 200
3. LVO 210
4. LVO 240
5. LVO 260
6. LVO 300
7. LVO 310
8. Molycoat L-1668FG
9. MD 505
10. Eurolube A-6, BV-4
1. Can create vacuum of the
order of 6 x 10-4
Torr.
2. Water white Synthetic Oil
3. Vacuum is created very fast.
4. Can pump out corrosive
gasses and high moisture.
5. Down time of pump is very
low as oil has very low level
of impurities

4. SV-68Rotary Vacuum Pump Oil
1. R4
2. R7
3. Ultragrade19
4. AdixenA120
5. Mobil DTE Oil
6. MD502
7. MD504
8. N62
9. VM 68
10. MR 200
11. LVO 100
12. LVO 110
13. LVO 120
14. LVO 130
15. Molycoat L-0610
16. VM 100
17. KV100
18. N62
19. CVC 70/19
20. INLAND 19
21. Alcatel Adixen A 200
22. Alcatel Adixen A 120
23. NEOVAC MR-200
1. Can create vacuum of the
order of 1 x 10-3
Torr.
2. Organic Distilled oil.
3. Economy of operation is of
paramount importance.
4. Rotary Pump is not a front
line pump and is backing a
Diffusion or Booster pump
5. Operating conditions are not
very demanding.
6.
1) Hydraulic Oils,
2) Automotive oils
3) Turbine oils
These are not meant for
Vacuum Pumps and can
seriously damage vacuum
pump. NEVER USE
THESE for Vacuum Pump.
BOOSTER PUMP OIL

5. Supervac Grade Equivalent Oils
Common Properties that make
them Interchangeable
SV-JS Silicone Vapour Jet
Booster Pump Oil
Best in the world. No
equivalent exists
1. Silicone Booster Pump Oil.
2. Ultimate vacuum of the order of 1
x 10-5
Torr.
3. Can pump out corrosive gasses
and high moisture.
4. Creates vacuum very fast.
5. Gives long service life and ensures
low down time.
SV-JH Organic Vapour Jet
Booster Pump Oil
1) Apiezon booster
pump oil AP 201
1. Hydrocarbon Booster Pump Oil.
2. Ultimate Vacuum of the order of 5
x 10-4
Torr.
3. Economical to use.
4. Service life 4-6 months.
5. Creates vacuum fast.
Supervac Grade Equivalent Grease
Common Properties that make
them Interchangeable
SV-G9 High Vacuum Silicone Grease
1. MOLY KOTE M44
1. Water proof and moisture
resistant.
2. Very low vapor pressure.
3. Corrosion inhibitor.
4. SV-G9 can withstand temperatures
as low as -25°C to as high as
250° C.
5. Will not catch fire.
6. Will not be runny at high
temperatures.
7. Will not form solid deposits on the
vacuum system in low
temperatures.
Conclusion-
In today’s competitive scenario it is important that production costs are optimized. Most of the times we are
not at liberty to buy exorbitantly priced oils from equipment manufacturer; neither can we keep a huge
inventory of vacuum oil just because it is not easily available in the country of operation.
Supervac therefore came up with manufacture of vacuum oils that are-
• Reasonably priced
• Excellent substitutes for costly vacuum oils
• World class quality manufactured using cutting edge technology
• Have very long service life
• Delivered immediately
• Available world over