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PTFE + Aramid Packing
Packing 
PTFE + Aramid Packing
Category: Aramid Fiber Packing
Product Style Number & Name:
PA7140 White PTFE packing with aramid corners
PA7150 White PTFE & aramid zebra-braided packing
PA7140 White PTFE packing with aramid corners
The corners of the packing are made from aramid (Kevlar) yarns impregnated with PTFE, while the friction faces are made from pure PTFE yarns. This structure enhances the lubrication ability of aramid fiber and improves the strength of the pure PTFE.
PA7150 White PTFE & aramid zebra-braided packing
It is a multi-yarn packing zebra-braided from pure PTFE yarns and aramid (Kevlar) yarns.
Applications:
Designed for high-pressure reciprocating pumps, medium-speed centrifugal pumps and valves. They can be used for general service vapors, gases, solvents, mild acids, alkalis and most abrasive liquids.
The packings do not cause stain in pulp & paper mills, pharmaceutical, food and sugar industries.
Service Limits:
|
Temperature |
-100°C~+260°C |
|
|
Pressure |
Rotating |
20bar |
|
Reciprocating |
100bar |
|
|
Valve |
180bar |
|
|
Shaft speed |
12m/s |
|
|
PH range |
2~12 |
|
|
Density |
1.3~1.5g/cm3 |
|
Forms of Supply:
In coils, e.g. 5kgs or 10kgs per coil;
As packing rings (PR7140, PR7150).
Dimension Table:
For packings with density of 1.4g/cm3
|
Size (mm) |
5 |
6 |
8 |
10 |
12 |
14 |
15 |
16 |
18 |
20 |
25 |
|
Appr. m/kg |
28.6 |
19.8 |
11.2 |
7.1 |
5.0 |
3.6 |
3.2 |
2.8 |
2.2 |
1.8 |
1.1 |
|
Appr. g/m |
35.0 |
50.4 |
89.6 |
140.0 |
201.6 |
274.4 |
315.0 |
358.4 |
453.6 |
560.0 |
875.0 |
|
Kgs/coil |
5 |
10 |
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