金属缠绕垫片 金属增强石墨垫片
金属齿形垫片
聚四氟乙烯垫片
金属环垫石棉橡胶垫片
搪玻璃包覆垫片
无石棉垫片
橡胶垫片
四氟软垫片
膨体四氟板耐高温陶瓷纤维垫片
耐高温云母垫片紫铜垫片
不锈钢平垫片四氟异形件
其他密封垫片 |
Class150突面法兰用金属缠绕垫片的尺寸-ASME B16.20
NPS |
Inner Ring |
Sealing Element |
Outer Ring |
TOLERANCE |
d1 |
d2 |
d3 |
d4 |
d2 |
d3 |
d4 |
1/2 |
14.2 |
19.1 |
31.8 |
47.8 |
±0.4 |
±0.8 |
±0.8 |
3/4 |
20.6 |
25.4 |
39.6 |
57.2 |
1 |
26.9 |
31.8 |
47.8 |
66.8 |
1 ¼ |
38.1 |
47.8 |
60.5 |
76.2 |
1 ½ |
44.5 |
54.1 |
69.9 |
85.9 |
2 |
55.6 |
69.9 |
85.9 |
104.9 |
2 ½ |
66.5 |
82.6 |
98.6 |
124 |
3 |
81 |
101.6 |
120.7 |
136.7 |
4 |
106.4 |
127 |
149.4 |
174.8 |
5 |
131.8 |
155.7 |
177.8 |
196.9 |
6 |
157.2 |
182.6 |
209.6 |
222.3 |
8 |
215.9 |
233.4 |
263.7 |
279.4 |
10 |
268.2 |
287.3 |
317.5 |
339.9 |
±0.8 |
+1.5/-0.8 |
12 |
317.5 |
339.9 |
374.7 |
409.7 |
14 |
349.3 |
371.6 |
406.4 |
450.9 |
16 |
400.1 |
422.4 |
463.6 |
514.4 |
18 |
449.3 |
474.7 |
527.1 |
549.4 |
20 |
500.1 |
525.5 |
577.9 |
606.6 |
24 |
603.3 |
628.7 |
685.8 |
717.6 |
|