Asbestos Replacement Products, Non Asbestos Products, Non Asbestos Packing, PTFE Packing |
| 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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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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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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