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Asbestos
Replacement Products, Non Asbestos Products, Non Asbestos
Packing, PTFE Packing |
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Sigma
9 |
White
Dry Packing
Made out of synthetic fibers blended with PTFE
plaited on cover to achieve high density for general
steam glands insulation, boiler lagging &
sealing of oven and auto clave doors, caulking
thermal insulation, furnace joints etc. (For high
temperature other sigma products are available).
Recommended upto 360°C (Normal operation)
(A unique replacement to white asbestos dry rope). |
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Temperature |
Pressure |
PH |
Best
Use For |
upto
360°C |
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Sigma
18 |
Self lubricated and
Graphite Packing
Made out of synthetic & inorganic fibers Blended
with PTFE densely lubricated with high inert lubricant
and with high grade graphite in core and on surface.
It's recommended for use in rotary & reciprocating
equipment, for saturated and super heated steam,hot
water, air, gases oils steam expansion, glands,
under medium pressure conditions ( For high Pressure
and temperature other Sigma Compression Packings
are available) recommended upto 300°C (Normal
Operation) ( A unique replacement to self lubricated
graphite Asbestos gland Packing). |
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Temperature |
Pressure |
PH |
Best
Use For |
upto
300°C |
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Rotatry |
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Sigma
27 |
Metallic
Similar to Sigma style 18, but with brass Wire/
copper wire reinforced to increase the strength
of packing. Recommended upto temperature 500 degree
c. (Replacement to Metallic Asbestos Gland Packing). |
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Temperature |
Pressure |
PH |
Best
Use For |
upto
500°C |
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Rotatry |
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Sigma
36 |
A special developed packing for super sealing
purpose, Where synthetic fibre yarn blended With
PTFE is suitably lubricated & reinforced With
stainless steel Wire to Withstand high temperature
& pressure. Recommended upto temperature 650°c.
(Replacement to special Asbestos Gland Packing) |
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Temperature |
Pressure |
PH |
Best
Use For |
upto
650°C |
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Sigma
45 |
fibre filled Lagging Rope
Low density soft synthetic fibre filled lagging
Rope braided with fibreglass yarn (chemically
treated) general purpose use for soft insulation
of steam pipe lines. Recommended upto temperature
300°c. Available in standard length of 25 mtrs.
(Replacement to Asbestos Lagging Rope). |
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Temperature |
Pressure |
PH |
Best
Use For |
upto
300°C |
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Sigma
54 |
Gland Packing for Caustics
Special packing made of synthetic fibre yarn PTFE
blended, suitable lubricated & treated with
graphite to withstand caustic potash, soda, lime,
ammonia & sulphide. Recommended upto temperature
300°c. (Replacement to Asbestos Packing For
Caustics). |
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Temperature |
Pressure |
PH |
Best
Use For |
upto
300°C |
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Sigma
63 |
100 % pure PTFE Gland Packing
A compression packing made out of 100 % pure PTFE
(POLYTETRA FLUROETHYLENE) and well constructed
for valves, pumps, mixers, agitators involving
application for corrosive chemicals, solvents,
oils, oxygen services etc. Suitable upto temperature
270 degree c and medium pressure under pH value
0 to 14 (normal operation) (A unique replacement
to PTFE impregnated Asbetos packing). |
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Temperature |
Pressure |
PH |
Best
Use For |
upto
270°C |
. |
0
to 14 |
Valves,
Pumps, Mixers, Agitators. |
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Non-Asbestos
Products |
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Sigma
72 |
Special
-do-
Self lubricating compression gland packing made
of pure PTFE, where each yarn is treated with
special chemically inert lubricant and impregnated
with liquid PTFE suspension to give additional
resistance value against concentrated acid and
alkalies. A good packing for valves and pumps
handling corrosive gasses, ammonia and pharmaceuticals.
Suitable upto temperature 270°c and high pressure
under pH valve 0 to 14 (normal operation). |
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Temperature |
Pressure |
PH |
Best
Use For |
upto
270°C |
. |
0
to 14 |
Valves,
Pumps etc. |
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Sigma
81 |
PTFE fibrous yarn Gland
Packing
Compression gland packing of higher strength made
out of pure PTFE fibrous yarn treated with PTFE
dispersion (lowest coefficient of friction) having
multi-performance ability, useful against acids,
alkali solutions, oils foodstuffs & viscous
fluids. |
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Temperature |
Pressure |
PH |
Best
Use For |
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Sigma
90 |
Graphited PTFE Gland Packing
Self lubricating compression gland packing made
out of combination of PTFE and graphite and treated
with high temperature inert lubricant, to enhance
lubricity & heat dissipation This packing
is mechanically strong and suitable for high speed
rotary application for hot oil boiler feed pumps,chemicals,
dyes & intermediates, pesticides fertilizers,
power plants etc. It withstands upto temperature
300° c & medium pressure under pH range
0 to 14. |
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Temperature |
Pressure |
PH |
Best
Use For |
upto
300°C |
. |
0
to 14 |
Rotary,
Boiler Pumps etc. |
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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 |
. |
. |
0
to 14 |
Valves,
Refineries, Petrochemicals, Fertilizer
Industries. |
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Sigma
180 |
Interbraid carbon filament high
temperature 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
temperature 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 |
. |
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 |
. |
0
to 14 |
Chemical,
Petrochemical, corrosive gases. |
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Sigma
216 |
Synthetic Polyamide Fiber Packing
A most advanced technology packing. A special
Duplex Braided constriction made form synthetic
polyamide fiber yarn as strong steel
and most flexible. Safely recommended for pumping
granular and viscous fluids, even under high pressure
condition. This packing is suitable for solvents,
abrasive slurries, fuel oil, high pressure dozing
pumps, mild acids and alkalines. A most effective
packing for refinery, high pressure water injection
system and anti-extrusion packing pH 3-12. |
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Temperature |
Pressure |
PH |
Best
Use For |
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. |
3
to 12 |
Refinery,
Pumps, Acids, Alkalies. |
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Sigma
225 |
Combination
Packing pure PTFE fiber, synthetic
polyamide fiber
This is a cross braided combination packing having pure PTFE fiber with special
high pressure resistant fiber filament yarn incorporated
in it and synthetic polyamide fiber yarn. This packing is most suitable to all fluids
and corrosive chemicals. It has exceptionally
good dimensional stability, creep resistance and
is non-toxic. Recommended for dairies, food &
pharmaceutical industries, refineries and fertilizer
plants. This packing can withstand high pressure
conditions. In both rotary and reciprocation applications
pH 2-12. |
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Temperature |
Pressure |
PH |
Best
Use For |
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2
to 12 |
Dairies,
Food & Pharmaceutical industries, Refineries,
Fertilizer Plants. |
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