Material: | Eptfe |
---|---|
Application: | Oil & Gas Pipeline Service |
Type: | Pipeline Seal |
Performance: | Seal |
Shape: | O-Ring |
Standard: | Standard |
Customization: |
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About Us
Xiamen Qishine Imp. & Exp. Co., Ltd provides forged flanges with nominal diameter DN15 - DN3000 that suit for Europe, Germany, the United States, France, Britain, Italy, Russia, Japan and domestic chemical standards, EN, DIN, ASME, ANSI, BS, JIS, MSS, API,AWWA, Gost, GB and SAE. Non-standard flanges according to customers' drawings are available also. All our products are made by ISO,PED, EC, EU and API approved manufacturers. Be rest assured about our products quality. And any third party inspection before delivery are welcome.
100% PTFE resistant to all corrosive media
Soft, twistable and bendable, used continue their service and keep its best performance.
Excellent anti-wriggle variation ability and cold current resistance. Even in case of cross change of temperature and pressure, good sealing can be assured.
Dimensions of Non-Metallic Flat Gaskets, ASME B16.21 to be used with Raised Face flanges ASME b16.5
Expanded PTFE Gasket Dimension
Class 150 to 900 NPS 1/2 to 24
NPS |
d1 |
d2 |
||||
Class |
Class |
Class |
Class |
Class |
||
1/2 |
21 |
48 |
54 |
54 |
54 |
64 |
3/4 |
27 |
57 |
67 |
67 |
67 |
70 |
1 |
33 |
67 |
73 |
73 |
73 |
79 |
1.1/4 |
42 |
76 |
83 |
83 |
83 |
89 |
1.1/2 |
48 |
86 |
95 |
95 |
95 |
98 |
2 |
60 |
105 |
111 |
111 |
111 |
143 |
2.1/2 |
73 |
124 |
130 |
130 |
130.2 |
165 |
3 |
89 |
137 |
149 |
149 |
149 |
168 |
3.1/2 |
102 |
162 |
165 |
162 |
162 |
|
4 |
114 |
175 |
181 |
178 |
194 |
206 |
5 |
141 |
197 |
216 |
213 |
241 |
248 |
6 |
168 |
222 |
251 |
248 |
267 |
289 |
8 |
219 |
279 |
308 |
305 |
321 |
359 |
10 |
273 |
340 |
362 |
359 |
400 |
435 |
12 |
324 |
410 |
422 |
419 |
457 |
498 |
14 |
356 |
451 |
486 |
483 |
492 |
521 |
16 |
406 |
514 |
540 |
537 |
565 |
575 |
18 |
457 |
549 |
597 |
594 |
613 |
638 |
20 |
508 |
606 |
654 |
648 |
683 |
699 |
24 |
610 |
718 |
775 |
768 |
791 |
838 |
General notes:
· Dimensions are in millimeters unless otherwise indicated.
· d1 = Inside diameter.
· d2 = Outside diameter.
· Dimensional tolerances outside diameter NPS 12 and smaller: +0 / -1.5 mm.
· Dimensional tolerances outside diameter NPS 14 and larger: +0 / -3.0 mm.
· Dimensional tolerances inside diameter NPS 12 and smaller: ± 1.5 mm.
· Dimensional tolerances inside diameter NPS 14 and larger: ± 3.0 mm.
· Thickness (t) specified by customer.
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