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• Graphite / Carbon Products |
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Sigma
99 |
Graphite bonded fluoropolymer fibre packing
DUPLEX BRAIDED to improve thermal conductivity
and lubricity for maintaining extremely low co-efficient
of thermal expansion. A very high quality compression
packing best suited for valve stems, centrifugal
pumps, wood pulp, caustics, acids , dyes, oils
solvents , acids and strong chemicals. Useful
in refineries, petrochemicals and fertilizer industries.
pH 0-14. |
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Temperature |
Pressure |
PH |
Best
Use For |
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0
to 14 |
Valves,
Refineries, Petrochemicals, Fertilizer
Industries. |
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Sigma
180 |
Interbraid carbon filament high temparature
resistant packing
With low friction characteristics for sealing
against boiler feed pumps, high temperature high
pressure valves, condensaters, dryers, against
non-oxidizing mineral acids, fuel oils thermic
fluids, petroleum products, steam and water. This
packing has excellent thermal dissipation and
self lubricating properties. (Withstands temperature
upto 630°c) pH 1-14.] |
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Temperature |
Pressure |
PH |
Best
Use For |
upto
630°C |
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1
to 14 |
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Sigma
189 |
Interbraid carbon filament high temparature
resistant packing reinforced with inconel wire.
Same as Sigma style 180 but reinforced with inconel
wire. The corrosion resistant wire reinforcement
provides the packing to withstand high pressures.
An ideal packing for super heated high temperature
and pressure. (Withstands temperature upto 990°.c)pH1-12. |
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Temperature |
Pressure |
PH |
Best
Use For |
upto
990°C |
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1
to 12 |
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Sigma
198 |
100% pure graphite fibre packing
Treated with special high temperature lubricant
to prevent seepage through the packing. This packing
is self lubricating which eliminates shaft wear
because of graphite fiber which has low co- efficient
of expansion. high heat conductivity and high
temperature resistance against acids, Alkalies,
Oils, Solvents, steam, fuel oil, hot tar pumps
and hydrocarbons. (Withstands temperature upto
720°c) pH 0-14. |
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Temperature |
Pressure |
PH |
Best
Use For |
upto
720°C |
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0
to 14 |
Hot
tar Pumps, Acids, Alkalies. |
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Sigma
207 |
Combination of synthetic graphite fibre, PTFE
fibre, multiservice packing
A combination of synthetic graphite fibre with specially treated PTFE fibre.
This multiservice packing is
very usefull in chemical and petrochemical installations
for oils, degreasing fluids,concentrated acids,
corrosive gases, for resistance at high speeds.
pH 0-14 |
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Temperature |
Pressure |
PH |
Best
Use For |
upto
270 °C |
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0
to 14 |
Chemical,
Petrochemical, corrosive gases. |
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Also
available Packing Set Rings, Tapes, Flanges
etc. available from die moulded technology |
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