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1、O形密封圈（ GB1235-76）产品用途：用于液压气动元件的动密封 （活塞密封和活塞杆密封） 和静密封（轴向密封和端盖密封） ，以及与同轴组合密封配套使用；材质：丁腈橡胶（ NBR）、氟橡胶（ FKM）；工作条件：耐压： 0 70MPa（高压时需要加配挡圈；使用温度： -35 200；工作介质：油、水、气等；订货号：按订货号。结构图：规格及静密封沟槽尺寸实际内径订货号( 规格）d1公差51.91.761.92.771.93.781.94.791.95.70.12101.96.7111.97.7121.98.7131.99.7141.9 10.7142.49.6152.4 10.6162.41
2、1.6 0.13182.4 13.6192.414.6截径沟槽尺寸d2公差槽深H槽宽倒角L1L2RrL1.9+0.10 1.4 0.05 2.53.95.4-0.080.40.1 0.22.4+0.11 1.8 0.05 3.24.46.0-0.09O形密封圈（ GB1235-76）订货号实际内径( 规格）d1公差202.415.6222.417.60.13242.419.6252.420.6262.421.6283.122.5303.124.5323.126.5353.129.5383.132.50.20403.134.5453.139.5503.144.5553.149.5603.154.
3、5633.157.5653.159.5683.162.5703.164.5753.169.5803.174.50.40853.179.5903.184.5953.189.51003.194.51053.199.51103.1104.51153.1109.51203.1114.51253.1119.51303.1124.51353.1129.51403.1134.50.501453.1139.51503.1144.51553.1149.51603.1154.51653.1159.5283.521.6303.523.6313.524.6323.525.60.20343.527.6353.528.6
4、363.529.6383.531.6403.533.6截径沟槽尺寸d2公差槽深H槽宽倒角L1L2RrL2.4+0.11 1.8 0.05 3.24.46.00.4-0.093.1+0.12 2.4 0.05 4.15.67.30.7-0.100.1 0.23.5+0.132.7 0.05 4.76.07.80.8-0.11专业文档供参考，如有帮助请下载。O形密封圈（ GB1235-76）订货号实际内径( 规格）d1公差413.534.6423.535.6443.537.6453.538.6463.539.60.20483.541.6503.543.6513.544.6543.547.6553.
5、548.6563.549.6505.739.4555.744.4605.749.4635.752.4655.754.4705.759.4735.762.4755.764.40.40805.769.4855.774.4905.779.4955.784.41005.789.41055.794.41105.799.41155.7104.41205.7109.41255.7114.41305.7119.41355.7124.41405.7 129.40.501455.7134.41505.7139.41555.7144.41605.7149.41655.7154.31705.7159.31755.71
6、64.31805.7169.31855.7174.31905.7 179.30.801955.7184.32005.7189.32055.7194.32105.7199.32205.7209.3截径沟槽尺寸d2公差槽深H槽宽倒角L1L2RrL3.5+0.132.7 0.05 4.76.07.8-0.110.80.1 0.25.7+0.16 4.6 0.05 7.59.011.5-0.14专业文档供参考，如有帮助请下载。O形密封圈（ GB1235-76）实际内径订货号( 规格）d1公差2305.7 219.32405.7 229.30.802505.7239.32605.7249.32705.7
7、259.32805.7269.312905.7279.33005.7289.31708.6154.11758.6159.11808.6164.11858.6169.11908.6174.11958.6179.12008.6184.12058.6 189.10.802108.6194.12158.6199.12208.6204.12258.6209.12308.6214.12358.6219.12408.6224.12458.6229.12508.6234.12558.6239.12608.6244.12658.6249.12758.6259.12808.6264.12908.6274.1295
8、8.6279.13008.6284.13058.6289.13158.6299.33208.6 304.31.03308.6314.33358.6319.33508.6334.33558.6339.33608.6344.33708.6354.33758.6359.33808.6364.33908.6374.33958.6379.34008.6384.3截径沟槽尺寸d2公差槽深H槽宽倒角L1L2RrL5.7+0.16 4.6 0.05 7.59.011.50.8-0.140.1 0.28.6+0.187.1 0.05 1113.0 17.01.2-0.16专业文档供参考，如有帮助请下载。O形密封
9、圈（ GB1235-76）订货号实际内径截径沟槽尺寸槽宽倒角( 规格）d1公差d2公差槽深HL1L2RrL4158.6399.31.04208.6 404.38.6+0.187.1 0.05 1113.017.01.20.1 0.24508.6434.31.2-0.164808.6 464.35008.6484.3附录：O 形圈密封用挡圈不切口型：挡圈-dxDxT切口型：挡圈 -dXDXT （ C）标准： JB/ZQ4224-86，适配 O 形圈标准 GB1235-76；材料：聚四氟乙烯（ PTFE）、尼龙（ PA）；订货号：挡圈 -dxDxT （ C）（ C）表示挡圈为开口式挡圈；O形密封圈挡圈公称外径D 截面直径 d2厚度外径内径（ d）T公差D1公差动密封静密封公差181.91.250.10D-3D-2.8+0.14302.4-0.14D-4D-3.6O1603.11.50D-5D-4.8+0.20603.50.12D1=DD-6D-5.40-0.203005.720D-10D-9.2+0.255008.62.50.15-0.25D-15D-14.20专业文档供参考，如有帮助请下载。