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 |
Class900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 |
63.5 |
±0.4 |
±0.8 |
±0.8 |
3/4 |
20.6 |
25.4 |
39.6 |
69.9 |
1 |
26.9 |
31.8 |
47.8 |
79.5 |
1 ¼ |
33.3 |
39.6 |
60.5 |
88.9 |
1 ½ |
41.4 |
47.8 |
69.9 |
98.6 |
2 |
52.3 |
58.7 |
85.9 |
143 |
2 ½ |
63.5 |
69.9 |
98.6 |
165.1 |
3 |
78.7 |
95.3 |
120.7 |
168.4 |
4 |
102.6 |
120.7 |
149.4 |
206.5 |
5 |
128.3 |
147.6 |
177.8 |
247.7 |
6 |
154.9 |
174.8 |
209.6 |
289.1 |
8 |
196.9 |
222.3 |
257.3 |
358.9 |
10 |
246.1 |
276.4 |
311.2 |
435.1 |
±0.8 |
+1.5/-0.8 |
12 |
292.1 |
323.9 |
368.3 |
498.6 |
14 |
320.8 |
355.6 |
400.1 |
520.7 |
16 |
374.7 |
412.8 |
457.2 |
574.8 |
18 |
425.5 |
463.6 |
520.7 |
638.3 |
20 |
482.6 |
520.7 |
571.5 |
698.5 |
24 |
590.6 |
628.7 |
679.5 |
838.2 |
|