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PTFE Valve Stem Packing
Description
PTFE Valve Stem Packing is all-purpose, self-forming valve packing is made of 100% pure expanded PTFE fluorocarbon.
It has a high degree of pliability enabling it to conform to valve stuffing box flaws and irregularities, providing an endless molded packing set.
Application
1. Acids, alkalis, solvents, gases, etc.
2. Especially suitable for sealing flange connections, pip systems, hydraulic and pneumatic systems, etc. In addition, it's a good ideal for seals in glass, enamel and plastic flanges, vessels and special shaped sealing surface.
Specification:
|
Product Type |
Expanded PTFE Valve Stem Packing |
|
Supply Type |
To make order |
|
Material |
100% PTFE, soft and excellent elasticity |
|
Refractoriness |
-180~ + 260 °C |
|
Diameter |
1mm~50mm |
|
PH |
0-14 |
|
Pressure Limit |
19.6Mpa |
|
Density |
0.7~0.8g./cm3 |
|
Elongation |
20% |
|
Matrix Tensile Strength |
30Mpa |
|
Creep Relaxation (ASTM F38) |
51% |
|
Diameter(mm) |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
14 |
16 |
18 |
20 |
|
Length(m)/kg |
440 |
200 |
110 |
70 |
50 |
37 |
28 |
22 |
18 |
15 |
13 |
9 |
7 |
5.5 |
4.5 |
|
Package size (mm) |
1kg/roll(157*157*157) 5kg/roll(240*240*300) |
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Feature:
1.Convenient and quick to install. There is no need to remove the valve,just put the PTFE tape on the vale to seal.
2.Excellent sealing performance. With its flexibility,it can easily fill in all the pits and grooves to avoid repairing the old valve.
3.Long maintenance service life. It can keep soft for a long time and make the leakage gap be sealed at any time.
4.Easy to open and close the valve.PTFE has the lowest friction coefficient and excellent self-lubrication.
5.Suit for various size and low cost. Small size tape also can be used for big valve, which doesn’t affect the sealing performance.