一、性能与用途
适用于装在各种机械设备上，在规定的温度、压力以及介质中起密封作用。O形密封圈由于制造费用低及使用方便，而被广泛应用在各种动、静密封场合。
二、材质
橡胶 （丁晴胶、氟橡胶、硅橡胶……）
三、工作条件
温度：丁晴胶 -30℃ ～ +120℃～
氟橡胶 -20℃ ～ +200℃
四、设计标准、标注及订货方法
GB1235-1976 标注及订货方法
外径=20 mm 截面直径=2.4 mm
O 形圈 20×2.4
规格 | 单价（元） | 规格 | 单价（元） | ||
5x1.9 | 0.05 | 40x3.1 | 0.32 | ||
6x1.9 | 0.06 | 45x3.1 | 0.35 | ||
7x1.9 | 0.07 | 50x3.1 | 0.35 | ||
8x1.9 | 0.08 | 55x3.1 | 0.45 | ||
9x1.9 | 0.08 | 60x3.1 | 0.45 | ||
10x1.9 | 0.09 | 63x3.1 | 0.50 | ||
11x1.9 | 0.10 | 65x3.1 | 0.50 | ||
12x1.9 | 0.10 | 68x3.1 | 0.60 | ||
13x1.9 | 0.10 | 70x3.1 | 0.60 | ||
14x1.9 | 0.10 | 75x3.1 | 0.65 | ||
14x2.4 | 0.12 | 80x3.1 | 0.65 | ||
15x2.4 | 0.13 | 85x3.1 | 0.70 | ||
16x2.4 | 0.13 | 90x3.1 | 0.70 | ||
18x2.4 | 0.14 | 95x3.1 | 0.80 | ||
19x2.4 | 0.15 | 100x3.1 | 0.80 | ||
20x2.4 | 0.15 | 105x3.1 | 0.85 | ||
22x2.4 | 0.18 | 110x3.1 | 0.85 | ||
24x2.4 | 0.20 | 115x3.1 | 0.90 | ||
25x2.4 | 0.22 | 120x3.1 | 0.90 | ||
26x2.4 | 0.22 | 125x3.1 | 1.00 | ||
28x3.1 | 0.28 | 130x3.1 | 1.10 | ||
30x3.1 | 0.28 | 135x3.1 | 1.15 | ||
32x3.1 | 0.30 | 140x3.1 | 1.20 | ||
35x3.1 | 0.30 | 145x3.1 | 1.25 | ||
38x3.1 | 0.32 | 150x3.1 | 1.30 | ||
155x3.1 | 1.35 | 60x5.7 | 0.60 | ||
160x3.1 | 1.40 | 63x5.7 | 0.62 | ||
165x3.1 | 1.50 | 65x5.7 | 0.65 | ||
28x3.5 | 0.30 | 70x5.7 | 0.70 | ||
30x3.5 | 0.30 | 73x5.7 | 0.72 | ||
31x3.5 | 0.31 | 75x5.7 | 0.75 | ||
32x3.5 | 0.32 | 80x5.7 | 0.80 | ||
34x3.5 | 0.33 | 85x5.7 | 0.85 | ||
35x3.5 | 0.34 | 90x5.7 | 0.90 | ||
36x3.5 | 0.35 | 95x5.7 | 0.95 | ||
38x3.5 | 0.36 | 100x5.7 | 1.00 | ||
40x3.5 | 0.38 | 105x5.7 | 1.05 | ||
41x3.5 | 0.40 | 110x5.7 | 1.10 | ||
42x3.5 | 0.42 | 115x5.7 | 1.15 | ||
44x3.5 | 0.43 | 120x5.7 | 1.20 | ||
45x3.5 | 0.44 | 125x5.7 | 1.25 | ||
46x3.5 | 0.45 | 130x5.7 | 1.30 | ||
48x3.5 | 0.45 | 135x5.7 | 1.35 | ||
50x3.5 | 0.45 | 140x5.7 | 1.45 | ||
51x3.5 | 0.45 | 145x5.7 | 1.50 | ||
54x3.5 | 0.45 | 150x5.7 | 1.55 | ||
55x3.5 | 0.50 | 155x5.7 | 1.60 | ||
56x3.5 | 0.50 | 160x5.7 | 1.65 | ||
50x5.7 | 0.55 | 165x5.7 | 1.70 | ||
51x5.7 | 0.55 | 170x5.7 | 1.80 | ||
175x5.7 | 1.90 | 240x8.6 | 3.80 | ||
180x5.7 | 2.00 | 245x8.6 | 3.90 | ||
185x5.7 | 2.20 | 250x8.6 | 4.00 | ||
190x5.7 | 2.30 | 255x8.6 | 4.10 | ||
195x5.7 | 2.40 | 260x8.6 | 4.20 | ||
200x5.7 | 2.50 | 265x8.6 | 4.40 | ||
210x5.7 | 2.80 | 275x8.6 | 4.60 | ||
220x5.7 | 3.00 | 280x8.6 | 4.80 | ||
230x5.7 | 3.20 | 290x8.6 | 5.00 | ||
240x5.7 | 3.40 | 295x8.6 | 5.20 | ||
250x5.7 | 3.60 | 300x8.6 | 5.40 | ||
260x5.7 | 3.80 | 305x8.6 | 5.60 | ||
270x5.7 | 4.20 | 315x8.6 | 5.80 | ||
280x5.7 | 4.50 | 320x8.6 | 6.00 | ||
290x5.7 | 4.80 | 330x8.6 | 6.20 | ||
300x5.7 | 5.10 | 335x8.6 | 6.40 | ||
170x8.6 | 2.30 | 350x8.6 | 6.60 | ||
175x8.6 | 2.40 | 355x8.6 | 6.80 | ||
180x8.6 | 2.60 | 360x8.6 | 7.00 | ||
185x8.6 | 2.70 | 370x8.6 | 7.20 | ||
190x8.6 | 2.80 | 375x8.6 | 7.40 | ||
195x8.6 | 2.90 | 380x8.6 | 7.60 | ||
200x8.6 | 3.00 | 390x8.6 | 7.80 | ||
205x8.6 | 3.10 | 395x8.6 | 8.00 | ||
210x8.6 | 3.20 | 400x8.6 | 8.50 | ||
220x8.6 | 3.40 | 415x8.6 | 9.00 | ||
225x8.6 | 3.50 | 420x8.6 | 9.50 | ||
230x8.6 | 3.60 | 460x8.6 | 10.0 | ||
235x8.6 | 3.70 | 500x8.6 | 11.0 | ||
