Castrol Anvol PE 46 XC - Fire resistant hydraulic oil - 6048

Castrol Anvol PE 46 XC - Fire resistant hydraulic oil - 6048

Castrol Anvol PE 46 XC - Fire resistant hydraulic oil - 6048

 

Anvol PE 46 XC is a high performance fire resistant hydraulic fluid which is primarily intended for use in steam turbine governor and boiler control systems. It is based on triaryl phosphate esters selected for their excellent hydrolytic stability and contains carefully selected corrosion and oxidation inhibitors. It has excellent hydraulic performance and provides good fire risk protection.

Available in 205L drums

 

Application

Anvol PE 46 XC is suitable for use in hydraulic systems where, in the event of leakage or pipe fracture, there is risk of fire and where water containing fluids are unsuitable due to temperature limitations or other reasons. It is specifically designed for use in the electro-hydraulic governor control systems of steam turbines, including systems using fine tolerance servo valves. Anvol PE 46 XC was developed to eliminate service problems in high pressure systems resulting from spool valve erosion/corrosion - fluid leakage and loss of response - by possessing the properties known to minimise this effect, notably high resistivity, low chlorine content and a high level of fluid cleanliness. Physical properties such as foaming, air release and demulsibility are also carefully controlled within turbine manufacturers’ specified limits.

Anvol PE 46 XC meets the requirements of:
BS EN ISO 12922:2002 Class HFDR
BS EN 61221:2004 (IEC 61221:2004) Category ISO-L-TCD
Factory Mutual Group 1.
General Electric GEK 46357.
Siemens TLV 9012.
Alstom HTGD 690 149E.
Alstom SBV PR 1001 B.
Alstom (UK) TCS 970.
Ansaldo 602W917, TGM 1911.

 

Advantages

  • Offers good fire risk protection in systems where fire resistance is vital and where water containing fluids are unsuitable due to temperature limitations or the need to maintain a high hydraulic system pressure.
  • High flash point, fire point and auto-ignition temperature provides excellent fire resistance.
  • High resistivity eliminates spool valve corrosion/erosion due to electrokinetic effects.
  • Low chlorine level minimises valve erosion.
  • High level of fluid cleanliness - minor amounts of particulate contamination can cause abrasive wear, filter blockage and valve sticking.
  • Long record of trouble free service in highly demanding hydraulic control systems on turbines.

 

Compatibility:

Anvol PE 46 XC is compatible with all metals commonly found in electro-hydraulic control systems. Aluminium components should be hard anodized and the use of copper and copper alloy components kept to a minimum. In common with all phosphate ester fluids, special seals are required and the following materials are suitable: Fluropolymers (Viton), Butyl Rubber, PTFE, Ethylene Propylene Rubber – under certain operating conditions. Where paint materials are used, they should be epoxy resin based.

 

Additional Information:

Service precautions - Periodic measurement of the fluid neutralisation number should be made during service as this provides a good guide to any product degradation which may occur. The level and rate of change of neutralisation value will be dependant upon the installation, conditions of operation, and whether in-line filtration of the fluid is carried out.
Conversion precautions - It is essential that rigorous flushing should be carried out when converting systems from other fluids to phosphate esters. All scale should be removed, and filters, hoses, seals and internally painted surfaces should be checked for compatibility with the new fluid.

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