[ Features ]
PTFE, ball valve seat is manu-factored by molding method with PTEF
granular resin.
PTFE, Compared with other plastics, has a superior properties against
chemicals and temperature.
[ specifications
]
|
Nominal (Dg) |
Seat (mm) |
Gasket of stem (mm) |
| outside
diameter |
inside
diameter |
high
|
outside
diameter |
inside
diameter |
high
|
|
15 |
24 |
15
|
5 |
20
|
12 |
4
|
| 23 |
15
|
4.5 |
14
|
9 |
4.8
|
|
20 |
32 |
20
|
5 |
20
|
12 |
4
|
| 28 |
20
|
5 |
17
|
11 |
5.5
|
|
25 |
36
|
25 |
5.5
|
24
|
16 |
5
|
| 22
|
14 |
4
|
|
32 |
44
|
32 |
5.5
|
24
|
16 |
5
|
| 28
|
18 |
5
|
|
40 |
54
|
40 |
6
|
30
|
20 |
5
|
| 29
|
18 |
5
|
|
50 |
64
|
50 |
6.5
|
34
|
24 |
5
|
| 29
|
18 |
5
|
| 65
|
95 |
65
|
14 |
38
|
28 |
5
|
|
80 |
105 |
80
|
14 |
38 |
28
|
5 |
| 115 |
80
|
16 |
| 100
|
132 |
100
|
16 |
48
|
32 |
6
|
| 150
|
190 |
150
|
22 |
50
|
38 |
6
|
[ Main properties
]
| Properties
|
unit
|
Result
|
| Apparent
density |
g/cm3
|
2.10-2.30
|
| Tensile strength
(min) |
MPa |
14.0 |
| Ultimate
elongation (min) |
% |
140 |
[ Applications
]
ball valve seat gasket.
|
Polytetrafluoroethylene ball valve seat
and valve stem sealing gasket