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Regal R &O

Regal R &O

Regal® R&O is an inhibited turbine oil formulated from highly refined base stocks and rust, oxidation and foam inhibitors.

Available in ISO grades 32, 46, 68, and 100

Customer Benefits

Resists degradation

  • Good oxidation stability provided by the multi-component inhibitor system resists oil breakdown during exposure to high temperature conditions.

Potential maintenance and downtime savings

  • The highly refined base stocks and multi-component oxidation inhibitor system resist the formation of harmful sludge and varnish deposits. The rust inhibitor protects components against corrosion.

Smooth operation

  • Good water separability of the highly refined base stocks and inhibitor system ensure rapid settling of harmful water accumulated from steam condensate. The non-silicone foam inhibitor allows rapid release of entrained air while minimizing foam formation, enabling reliable operation of sensitive hydraulic control devices

Inhibited turbine oil formulated from highly refined base stocks and rust, oxidation and foam inhibitors


Regal R&O is suitable for use in the following applications provided a rust and oxidation (R&O) inhibited oil is acceptable.

  • Steam and hydraulic turbines operating under all service conditions
  • Industrial gas turbines operating under moderate service conditions where the oil is not exposed to excessively high temperatures, or gear sets requiring enhanced load carrying performance
  • Centrifugal, rotary and reciprocating compressors, turbo-blowers and centrifugal pumps (not recommended for use in breathing air compressors)

Always confirm that the product selected is consistent with the original equipment manufacturer’s recommendation for the equipment operating conditions and customer’s maintenance practices.

For full product description see the PDS