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PTFE pad
Swelling, spring PTFE gasket is a high new and technological achievement, a substitute of the same kind of imported products by self-research and development after many years' hard work. It is acknowledged by users rapidly because of its fine quality and lower cost (only a quarter of the same kind of imported products). And it has already been applied in chemical industry, petroleum, shipbuilding, pharmaceutical industry etc widely. 。
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Features:
1 ． With microfibril inside structure and capability is stabile
2 ． good strength, creep resistance and reliable sealing
3 ． with compression ability and reduce the pretight force of bolts greatly.
4 ． long service term, decrease the minimum need of heavy load
5 ． can provide service in the range of -196~250 ℃
6 ． pressure duration can reach 10.5Mpa
7 ． Good corrosion resistance can be used in all medium except melting alkali metal, high-temperature fluorine element, part of aromatic compound
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nominal path(DN)
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gasket ID (max)
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pad exradius
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pad thickness(T)
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dimension max deviation
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15
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22
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52
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2.5
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20
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27
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61
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25
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34
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71
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32
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43
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82
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40
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49
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92
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50
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61
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107
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65
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77
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127
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80
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89
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142
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100
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115
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162
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125
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141
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194
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150
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169
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218
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200
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220
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273
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250
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273
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329
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300
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325
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384
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350
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377
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444
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4.5
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400
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426
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495
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450
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480
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555
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500
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530
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617
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550
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580
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660
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600
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630
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734
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| Produce nonstandard pad according to the special orders by customers |
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| Expanding and flexible PTFE washer GS-118 |
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| High intensity and flexible PTFE washer GS-198 |
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