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Product name

PTFE Valve Stem Packing

Serial number
SG-T4601
Affiliate classification
没有此类产品
Product description

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)

 

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.

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