Sigma 198 (High Temperture Packing) High Purity Carbon Gland Packing.

ITEM :- Sigma 198

PRODUCT NAME :- Sigma 198 (High Temperture Packing), High Purity Carbon Gland Packing.



APPLICATIONS / USES :-Highly recommended for rotating equipment including Centrifugal and Displacement pumps in process applications include: exhaust seals, pulpers, digesters, mixers, agitators, dryers and blowers, super heated high temperature and pressure steam, heat transfer fluid, hydrogen gas, ammonia, organic solvents, hydrocarbons, fuel oil, cryogenic liquids, Not recommended for strong oxidizers as fuming nitric acid, oleum etc.

Product Description
Sigma 198 (High Temperture Packing) A high temperature unique & universal seal gland packing made of high purity carbon filament yarn packing having a good thermal conductivity, flexibility, resiliency, elasticity and low friction..

Service Limits, Application Parameter

-3280F(-2000C)to 12000F (6500C steam) & (33000C Non-Oxidizing media)
PH range
0 - 14
Shaft Speed
to 3000 RPM
 to 500 psi (34 bar) rotary/ centrifugal; to 2000 psi (138 bar) valves

Size Dimensions

Size mm
3 mm
6 mm
8 mm
10 mm
12 mm
14 mm
16 mm
19 mm
20 mm
22 mm
25 mm
approx. mtr. / kg
38 mtr
19 mtr
13.3 mtr
9 mtr
7 mtr
6 mtr
3.3 mtr
2.8 mtr
2.2 mtr
1.7 mtr
1.1 mtr

Prime Features

  • High thermal conductivity for cool running.
  • Very good start-up and emergency running characteristics.
  • Less gland adjustment, easy break-in, & even compression in all rings
  • PREVENT Galvanic corrosion of the spindle/shaft
  • Excellent low co-efficient of friction and minimal Shaft wear.
  • Very Resilient and resistance to thermal shock & high thermal conductivity
  • Significant serviceability of packing.
  • Special grade Sigma 171 (on request) for Nuclear Application.

Available in all Popular Square Section from 3 mm to 38 mm.

Our motto is to provide best international quality products at very competative price.