۰۵۱-۳۷۶۰۰۲۱۰ الی ۱۴ info@sevrinoilco.com | tejaratass@yahoo.com

شرکت نفت شل، (به انگلیسی: Shell Oil Company) شرکت نفت و گاز آمریکایی و شعبه کمپانی رویال داچ شل در ایالات متحده آمریکا می‌باشد.این شرکت در زمینه استخراج نفت و گاز طبیعی، بازاریابی فرآورده‌های نفتی، همچنین تولید محصولات پتروشیمی فعالیت می‌کند.شرکت نفت شل، با در اختیار داشتن بیش از ۲۵٫۰۰۰ جایگاه پمپ بنزین در ایالات متحده، مالک بزرگترین شبکه عرضه سوخت در این کشور می‌باشد. شمار کارکنان این شرکت حدود ۲۲٬۰۰۰ نفر است و دفتر مرکزی آن در هیوستون، تگزاس قرار دارد.

Shell Tivela Oils

Synthetic gear oils lor industrial applications

Shell  nvela Oils are high  performance, synthetic, industrial gear oils based on polyalkylene glycol and specially seleded additives. They  are free of chlo­ rine, sulphur and lead based materials.

Applications

Enclosed Industrial Gear Units:
Bevel, spiral bevel, helical, enclosed spur and worm gears

Performance Features

Outstanding Load Carrying Properties Reduces gear  tooth and  bearing  wear on both steel and  bronze  components
Excellent Thermal Stability
Resists degradation and sludging at high temperatures

ERective Corrosion Protection
Even in the presence  of water

Good Demulsibility Characteristics
Rapid water/oil separation

Service Life

Shell Tivela Oils will remain homogenous from below the pour points to temperatures in excess of 250°C.

The anticipated  service life is substantially  in excess

of 1 0,000 hours at 100 o C in industrial enclosed  gear units, making extended oil drain intervals possible.

Seal Compatibility

Polyurethane based  elastomers, leather, cork, asbestos,  paper  and  board  should be avoided.

Other common seal and  gasket materials are unaf­ fected  by Shell Tivela Oils. Nitrile Rubber (NBR), Fluoro-Silicone or Vinyl-Methyl Polysiloxane (Q) are recommended  especially  where  high temperatures are  involved.

Ordinary  industrial paints will soften in the presence of Shell Tivela Oils.  Ideally, internal gearbox

Performance Specifications

Meets the requirements of:

David Brown Table G lubricants for industrial enclosed gear  units.

Flushing  Procedures

When changing from mineral oil to Shell Tivela Oil the following procedure should be followed:-

Run the system until the mineral oil is warm and then drain as fully as possible, paying  particular attention to reservoirs, lines etc., where oil may be trapped. The system should be cleaned  of residual sludge.

Flush the system with the minimum quantity of Shell Tivela Oil by operating under no load, then drain the system whilst Auid is warm.  Repeat if  necessary.

Seals, etc., should be inspected  and if deteriorated then replaced.  Seals  previously exposed  to mineral oil may shrink when exposed to Shell Tivela Oil, and therefore it may be advantageous to replace them.

Refill the system with the appropriate grade of Shell Tivela Oil.  Inspect the lubricant after one or two days in use to make sure that it is free from extrane­ ous materials.  Contamination with significant quantities of other lubricants can, in some cases, lead

to sludging, foaming and other problems.

Health & Safety

Shell Tivela Oils are unlikely to present any significant health or safety hazard  when properly  used in the recommended application, and good standards of industrial and personal hygiene are maintained.

For further guidance  on Product Health & Safety refer to the appropriate Shell Product Safety Data Sheet.  This can be obtained  from your own internal Health & Safety focal point.  In the event of any queries contact your local Shell Business Development Manager or:

LPDS/283

September

۱۹۹۴

UOCL/512

surfaces should be unpainted, or coated  with resistant materials, for example  a resistant two-pack epoxy formulation.

Shell Tivela Oils must never be mixed with mineral oil, and ideally not mixed with other polyglcol lubricants in order to preserve their anti-corrosion and demulsification properties.

Normal Office Hours

Shell Oils Delta House Wavell Road Wythenshawe

Manchester M22 5SB

Tel: 061-499-4000

Emergencies

Shell UK Ltd Downstream Oil Sheii-Mex House Strand

London WC2R ODX

 

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