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Products Center >> Gland Packing And Stuff

P-317 Asbestos PTFE packing (oilless)

I. Definition:
it is a kind of soft packing. It is weaved by 95% white asbestos tow and soaking in PTFE emulation. PTFE overcomes the cellularity of asbestos, and improves the stable chemical property and compactness of asbestos; it can avoid penetrable leakage to reduce the damage to axostyle and prolong its service life; It also reduce the torsion and energy consumption, and the cold resistance of asbestos fiber is strengthened as well (meanwhile its heat resistance is reduced by 260℃). Using asbestos fiber to be the material of framework, which can avoid some disadvantages of PTFE, the cold-flow and creep are also reduced.
II. Application:
it is mainly used for the seal packing box on rotary motor and shuttle valve shaft, cooling switch valve, media acid and alkali, petrochemical industry, and food processing factory.

III. Parameter:

TECHNIQUE DATA

Centrifugal  separator

Reciprocating pump

PH VALUE

MILD ASBESTOS 2—14    BLUE ASBESTOS 0-12

LINEAR Vg(M/S)

10

8

PRESSURE(Bar)

20

100

WORKING TEMPERATURE

-200CENTIGRADE ~ 260 CENTIGRADE


INCH ″

1/8

5/32

3/16

1/4

5/16

3/8

7/16

1/2

9/16

5/8

11/16

3/4

7/8

1

MM

3

4

5

6

8

10

11

12

14

16

18

20

22

25

M / KG

65

40

27

17

10

7.5

5.5

4.5

3.5

2.8

2.2

1.8

1.4

1.1





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