Yx-shaped Seal Ring for Axis
轴用Yx形密封圈
This standard is applicable to the Yx-shaped seal ring for axis for sealing purpose in mechanical equipment with air and mineral oil as medium under the temperature of -20~+80℃ and working pressure p≤31.5MPa.
1 Types and Dimensions
The types of Yx-shaped seal ring for axis shall meet the requirements of Figure 1; the groove shall meet the requirements of Figures 2 and 3; the dimensions and limit deviations shall meet those specified in Table 1.
Figure 1
Figure 2 Figure 3
Table 1
mm
Nominal inside diameter d Seal ring Groove
D0 b D1 D2 D3 D4 D5 H H1 H2 R R1 r f D6 B B1
Basic dimension Limit deviation Basic dimension Limit deviation Basic dimension Limit deviation Basic dimension Limit deviation
8 14.2 +0.40 3 -0.06
-0.18 15.4 +0.36
-0.12 13.3 8.1 6.7 +0.10
-0.30 11 8 7 4.6 5 14 0.3 0.7 14 9 10.5
10 16.2 17.4 15.3 10.1 8.7 13 16
12 18.2 19.4 +0.42
-0.14 17.3 12.1 10.7 +0.12
-0.36 15 18
14 20.2 21.4 19.3 14.1 12.7 17 20
16 22.2 23.4 21.3 16.1 14.7 19 22
18 24.2 25.4 23.3 18.1 16.7 21 24
20 26.2 27.4 25.3 20.1 18.7 +0.14
-0.42 23 26
22 28.2 29.4 27.3 22.1 20.7 25 28
25 31.2 +0.60 32.4 +0.50
-0.17 30.3 25.1 23.7 28 31
28 34.2 35.4 33.3 28.1 26.7 31 34
30 38.2 4 -0.08
-0.24 40 36.8 30 28.1 33.9 10 9 6 6 15 0.5 1 38 12 13.5
32 40.2 42 38.8 32 30.1 +0.17
-0.50 35.9 40
35 43.2 45 41.8 35 33.1 38.9 43
36 44.2 46 42.8 36 34.1 39.9 44
40 48.2 50 46.8 40 38.1 43.9 48
45 53.2 55 +0.60
-0.20 51.8 45 43.1 48.9 53
50 58.2 60 56.8 50 48.1 +0.20
-0.60 53.9 58
55 63.2 65 61.8 55 53.1 58.9 63
56 64.2 66 62.8 56 54.1 59.9 64
60 72.3 6 74.7 69.7 60.6 57.4 65.8 14 12.5 8.5 8 22 0.7 1.5 72 16 18
63 75.3 77.7 72.7 63.6 60.4 68.8 75
65 77.3 79.7 74.7 65.6 62.4 70.8 77
70 82.3 +1.00 84.7 +0.70
-0.23 79.7 70.6 67.4 75.8 82
75 87.3 89.7 84.7 75.6 72.4 80.8 87
80 92.3 94.7 89.7 80.6 77.4 85.8 92
85 97.3 99.7 94.7 85.6 82.4 +0.23
-0.70 90.8 97
90 102.3 104.7 99.7 90.6 87.4 95.8 102
95 107.3 109.7 104.7 95.6 92.4 100.8 107
100 112.3 114.7 109.7 100.6 97.4 105.8 112
105 117.3 119.7 114.7 105.6 102.4 110.8 117
110 122.3 124.7 +0.80
-0.26 119.7 110.6 107.4 115.8 122
120 132.3 134.7 129.7 120.6 117.4 125.8 132
125 137.3 139.7 134.7 125.6 122.4 +0.26
-0.80 130.8 137
130 142.8 144.7 139.7 130.6 127.4 135.8 142
140 152.3 154.7 149.7 140.6 137.4 145.8 152
150 162.3 164.7 159.7 150.6 147.4 155.8 162
160 172.3 174.7 169.7 160.6 157.4 165.8 172
170 186.4 8 -0.10
-0.30 189.7 +0.90
-0.30 183.2 170.5 166.4 177.7 18 16 10.5 10 26 1 2 186 20 22.5
180 196.4 199.7 193.2 180.5 176.4 187.7 196
190 206.4 +1.50 209.7 203.2 190.5 186.4 +0.30
-0.90 197.7 206
200 216.4 219.7 213.2 200.5 196.4 207.7 216
220 236.4 239.7 233.2 220.5 216.4 227.7 236
250 266.4 269.7 +1.00
-0.34 263.2 250.5 246.4 257.7 266
280 296.4 299.7 293.2 280.5 276.4 +0.34
-1.00 287.7 296
300 316.4 319.7 313.2 300.5 296.4 307.7 316
320 344.5 12 -0.12
-0.35 349.3 339.3 321.3 314.8 331.6 24 22 14 14 32 1.5 2.5 344 26.5 30
340 364.5 369.3 +1.10
-0.38 359.3 341.3 334.8 351.6 364
360 384.5 389.3 379.3 361.3 354.8 371.6 384
380 404.5 +2.00 409.3 399.3 381.3 374.8 +0.38
-1.10 391.6 404
400 424.5 429.3 419.3 401.3 394.8 411.6 424
420 444.5 449.3 439.3 421.3 414.8 431.6 444
450 474.5 479.3 469.3 451.3 444.8 461.6 474
480 504.5 509.3 +1.35
-0.45 499.3 481.3 474.8 491.6 504
500 524.5 529.3 519.3 501.3 494.8 511.6 524
530 554.5 559.3 549.3 531.3 524.8 +0.45
-1.35 541.6 554
560 584.5 589.3 579.3 561.3 554.8 571.6 584
600 624.5 629.3 619.3 601.3 594.8 611.6 624
630 654.5 659.3 +1.5
-0.5 649.3 631.3 624.8 641.6 654
650 674.5 679.3 669.3 651.3 644.8 +0.50
-1.50 661.6 674
Notes:
1. The tolerance of groove D6 is selected according to H9 or H10.
2. The required materials shall be selected according to "Compounds of Reciprocating Rubber Seals" (HG/T 2810) based on the working condition.
2 Types and Dimensions for Check Ring of Yx-shaped Seal Ring for Axis
See Figure 4 for the types of check ring of Yx-shaped seal ring for axis and see Table 2 for the dimensions.
1 Types and Dimensions
2 Types and Dimensions for Check Ring of Yx-shaped Seal Ring for Axis
3 Designation Example
轴用Yx形密封圈
JB/ZQ 4265-2006
代替JB/ZQ 4265-1997
本标准适用于以空气、矿物油为介质的各种机械设备中，在温度-20~+80℃，工作压力p≤31.5MPa条件下起密封作用的轴用Yx形密封圈。
1 型式与尺寸
轴用Yx形密封圈的型式应符合图1的规定，沟槽应符合图2和图3的规定，尺寸和极限偏差应符合表1的规定。
标记部位
图1
图2
图3
表1 mm
公称内径d 密封圈 沟槽
D0 b D1 D2 D3 D4 D5 H H1 H2 R R1 r f D6 B B1
基本尺寸 极限偏差 基本尺寸 极限偏差 基本尺寸 极限偏差 基本尺寸 极限偏差
8 14.2 +0.40 3 -0.06
-0.18 15.4 +0.36
-0.12 13.3 8.1 6.7 +0.10
-0.30 11 8 7 4.6 5 14 0.3 0.7 14 9 10.5
10 16.2 17.4 15.3 10.1 8.7 13 16
12 18.2 19.4 +0.42
-0.14 17.3 12.1 10.7 +0.12
-0.36 15 18
14 20.2 21.4 19.3 14.1 12.7 17 20
表1（续） mm
公称内径d 密封圈 沟槽
D0 b D1 D2 D3 D4 D5 H H1 H2 R R1 r f D6 B B1
基本尺寸 极限偏差 基本尺寸 极限偏差 基本尺寸 极限偏差 基本尺寸 极限偏差
16 22.2 +0.40 3 -0.06
-0.18 23.4 +0.42
-0.14 21.3 16.1 14.7 +0.12
-0.36 19 8 7 4.6 5 14 0.3 0.7 22 9 10.5
18 24.2 25.4 23.3 18.1 16.7 21 24
20 26.2 27.4 25.3 20.1 18.7 +0.14
-0.42 23 26
22 28.2 29.4 27.3 22.1 20.7 25 28
25 31.2 +0.60 32.4 +0.50
-0.17 30.3 25.1 23.7 28 31
28 34.2 35.4 33.3 28.1 26.7 31 34
30 38.2 4 -0.08
-0.24 40 36.8 30 28.1 33.9 10 9 6 6 15 0.5 1 38 12 13.5
32 40.2 42 38.8 32 30.1 +0.17
-0.50 35.9 40
35 43.2 45 41.8 35 33.1 38.9 43
36 44.2 46 42.8 36 34.1 39.9 44
40 48.2 50 46.8 40 38.1 43.9 48
45 53.2 55 +0.60
-0.20 51.8 45 43.1 48.9 53
50 58.2 60 56.8 50 48.1 +0.20
-0.60 53.9 58
55 63.2 65 61.8 55 53.1 58.9 63
56 64.2 66 62.8 56 54.1 59.9 64
60 72.3 6 74.7 69.7 60.6 57.4 65.8 14 12.5 8.5 8 22 0.7 1.5 72 16 18
63 75.3 77.7 72.7 63.6 60.4 68.8 75
65 77.3 79.7 74.7 65.6 62.4 70.8 77
70 82.3 +1.00 84.7 +0.70
-0.23 79.7 70.6 67.4 75.8 82
75 87.3 89.7 84.7 75.6 72.4 80.8 87
80 92.3 94.7 89.7 80.6 77.4 85.8 92
85 97.3 99.7 94.7 85.6 82.4 +0.23
-0.70 90.8 97
90 102.3 104.7 99.7 90.6 87.4 95.8 102
95 107.3 109.7 104.7 95.6 92.4 100.8 107
100 112.3 114.7 109.7 100.6 97.4 105.8 112
105 117.3 119.7 114.7 105.6 102.4 110.8 117
110 122.3 124.7 +0.80
-0.26 119.7 110.6 107.4 115.8 122
120 132.3 134.7 129.7 120.6 117.4 125.8 132
125 137.3 139.7 134.7 125.6 122.4 +0.26
-0.80 130.8 137
130 142.8 144.7 139.7 130.6 127.4 135.8 142
140 152.3 154.7 149.7 140.6 137.4 145.8 152
150 162.3 164.7 159.7 150.6 147.4 155.8 162
160 172.3 174.7 169.7 160.6 157.4 165.8 172
表1（续） mm
公称内径d 密封圈 沟槽
D0 b D1 D2 D3 D4 D5 H H1 H2 R R1 r f D6 B B1
基本尺寸 极限偏差 基本尺寸 极限偏差 基本尺寸 极限偏差 基本尺寸 极限偏差
170 186.4 +1.00 8 -0.10
-0.30 189.7 +0.90
-0.30 183.2 170.5 166.4 +0.26
-0.80 177.7 18 16 10.5 10 26 1 2 186
180 196.4 199.7 193.2 180.5 176.4 187.7 196
190 206.4 +1.50 209.7 203.2 190.5 186.4 +0.30
-0.90 197.7 206
200 216.4 219.7 213.2 200.5 196.4 207.7 216
220 236.4 239.7 233.2 220.5 216.4 227.7 236
250 266.4 269.7 +1.00
-0.34 263.2 250.5 246.4 257.7 266
280 296.4 299.7 293.2 280.5 276.4 +0.34
-1.00 287.7 296
300 316.4 319.7 313.2 300.5 296.4 307.7 316
320 344.5 12 -0.12
-0.35 349.3 339.3 321.3 314.8 331.6 24 22 14 14 32 1.5 2.5 344 26.5 30
340 364.5 369.3 +1.10
-0.38 359.3 341.3 334.8 351.6 364
360 384.5 389.3 379.3 361.3 354.8 371.6 384
380 404.5 +2.00 409.3 399.3 381.3 374.8 +0.38
-1.10 391.6 404
400 424.5 429.3 419.3 401.3 394.8 411.6 424
420 444.5 449.3 439.3 421.3 414.8 431.6 444
450 474.5 479.3 469.3 451.3 444.8 461.6 474
480 504.5 509.3 +1.35
-0.45 499.3 481.3 474.8 491.6 504
500 524.5 529.3 519.3 501.3 494.8 511.6 524
530 554.5 559.3 549.3 531.3 524.8 +0.45
-1.35 541.6 554
560 584.5 589.3 579.3 561.3 554.8 571.6 584
600 624.5 629.3 619.3 601.3 594.8 611.6 624
630 654.5 659.3 +1.5
-0.5 649.3 631.3 624.8 641.6 654
650 674.5 679.3 669.3 651.3 644.8 +0.50
-1.50 661.6 674
注：1 沟槽D6的公差推荐按H9或H10选取。
2 根据工作情况，应按照《往复运动密封圈橡胶材料》（HG/T 2810）选所需的材料。
2 轴用Yx形密封圈用挡圈的型式与尺寸
轴用Yx形密封圈用挡圈的型式见图4，尺寸见表2.
A型：切口式 B型：整体式
图4
表2 mm
轴用Yx形密封圈公称内径d 挡圈 轴用Yx形密封圈公称内径d 挡圈
d2 D2 T d2 D2 T
基本尺寸 极限偏差 基本尺寸 极限偏差 基本尺寸 极限偏差 基本尺寸 极限偏差 基本尺寸 极限偏差 基本尺寸 极限偏差
8 8 +0.0300 14 -0.020
-0.070 1.5 ±0.1 110 110 +0.070 122 -0.060
-0.165 2 ±0.15
10 10 16 120 120 132
12 12 +0.0350 18 125 125 +0.080 137
14 14 20 -0.025
-0.085 130 130 142
16 16 22 140 140 152
18 18 24 150 150 162
20 20 +0.0450 26 160 160 172
22 22 28 170 170 186 -0.075
-0.195 2.5
25 25 31 -0.032
-0.100 180 180 196
28 28 34 190 190 +0.090 206
30 30 38 200 200 216
32 32 +0.0500 40 220 220 236
35 35 43 250 250 266 -0.090
-0.225
36 36 44 280 280 +0.100 296
40 40 48 300 300 316
45 45 53 -0.040
-0.120 320 320 344 3 ±0.2
50 50 58 340 340 364 -0.105
-0.225
55 55 +0.0600 63 360 360 384
56 56 64 380 380 +0.120 404
60 60 72 2 ±0.15 400 400 424
63 63 75 420 420 444
65 65 77 450 450 474
70 70 82 -0.050
-0.140 480 480 504 -0.120
-0.260
75 75 87 500 500 524
80 80 92 530 530 +0.140 554
85 85 +0.0700 97 560 560 584
90 90 102 600 600 624
95 95 107 630 630 654 -0.130
-0.280
100 100 112 650 650 +0.150 674
105 105 117
注：使用轴用Yx形密封圈时，一般不设置挡圈。当工作压力大于16MPa时，或因运动副有较大偏心及间隙较大的情况下，在密封圈支承面放置一个挡圈，以防止密封圈被挤入间隙。挡圈材料可选聚四氟乙烯、尼龙6或尼龙1010，其硬度应大于或等于90HS。
3 标记示例
公称内径d=50mm的轴用Yx形密封圈：
密封圈 Yx d50 JB/ZQ 4265-2006
