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美国Parker派克密封圈2-444 d196.22*6.99有货O型圈氟胶圈丁腈硅胶

2-216 28.17 ×3.53 2-324 34.29 ×5.34 2-440 170.82 ×6.99 

2-217 29.74 ×3.53 2-325 37.47 ×5.34 2-441 177.17 ×6.99 

2-218 31.34 ×3.53 2-326 40.64 ×5.34 2-442 183.52 ×6.99 

2-219 32.92 ×3.53 2-327 43.82 ×5.34 2-443 189.87 ×6.99 

2-220 34.52 ×3.53 2-328 46.99 ×5.34 2-444 196.22 ×6.99 

2-221 36.09 ×3.53 2-329 50.17 ×5.34 2-445 202.57 ×6.99 

2-222 37.69 ×3.53 2-330 53.34 ×5.34 2-446 215.27 ×6.99 

2-223 40.87 ×3.53 2-331 56.52 ×5.34 2-447 227.97 ×6.99 

2-224 44.04 ×3.53 2-332 59.69 ×5.34 2-448 240.67 ×6.99 

2-225 47.22 ×3.53 2-333 62.87 ×5.34 2-449 253.37 ×6.99 

2-226 50.39 ×3.53 2-334 66.04 ×5.34 2-450 266.07 ×6.99 

2-227 53.57 ×3.53 2-335 69.22 ×5.34 2-451 278.77 ×6.99 

2-228 56.74 ×3.53 2-336 72.39 ×5.34 2-452 291.47 ×6.99 

2-229 59.92 ×3.53 2-337 75.57 ×5.34 2-453 304.17 ×6.99 

2-230 63.09 ×3.53 2-338 78.74 ×5.34 2-454 316.87 ×6.99 

2-231 66.27 ×3.53 2-339 81.92 ×5.34 2-455 329.57 ×6.99 

2-232 69.44 ×3.53 2-340 85.09 ×5.34 2-456 342.27 ×6.99 

2-233 72.62 ×3.53 2-341 88.27 ×5.34 2-457 354.97 ×6.99 

2-234 75.79 ×3.53 2-342 91.44 ×5.34 2-458 367.67 ×6.99 

2-235 78.97 ×3.53 2-343 94.62 ×5.34 2-459 380.37 ×6.99 

O型密封圈的选型规则

1. O型密封圈的尺寸图

选择适当规格的O形圈时，应该保证其外径（d1+2*d2）至少等于或者大于沟槽外径d6；

当选择的O形圈直径d1大于250 mm时， O形圈外径将不能超过沟槽外径的3%；

当选择的O形圈直径d1小于250mm时， O形圈外径将不能超过沟槽外径的5%。

• 活塞密封

选择适当规格的O形圈时，应该保证其内径d1至少等于或者小于沟槽内径d3；O形圈被用作活塞密封，主O形圈内径d1，在动态工况下应该会被拉伸2%至5%的幅度，并且在静态工况下拉伸率在2%和8%之间。