JBT2231.4往复活塞压缩机 环状阀片.doc

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1、往复活塞压缩机零部件第4部分：环状阀片1前言本标准修改采用《往复活塞压缩机环状阀片JB/T2231.4》本标准归口单位：本标准起草单位：本标准主要起草人：本标准批准人：往复活塞压缩机环状阀片1范围本标准规定了往复活塞压缩机用环状阀片的分类，技术要求，试验方法与验收规则，标志、包装与贮存等要求。本标准适用于往复活塞压缩机环状气阀用的环状阀片（以下称简阀片）2引用标准下列标准所包含的条文，通过在本标准中引用而构成为本标准的条文。本标准出版时，所示版本均为有效。所有标准都会被修订，使用本标准的各方应探讨

2、使用下列标准最新版本的可能性。GB/T3280—1992不锈钢冷轧钢板GB/T11254—1989压缩机阀片用热轧薄钢板3产品分类及标记3.1阀片的结构见图1，外径D、内径d、厚度δ的尺寸应符合表1、表2、表3的规定。图1表1Ⅰ类阀片Dmmdmmδ±0.05mm基本尺寸极限偏差d9基本尺寸极限偏差d90.81.01.21.52.0重量≈kg30150.00330.00410.00500.00620.008335200.00400.00500.00600.00750.010040250.00480.

3、00600.00720.00900.012045300.00560.00690.00830.01030.013950350.00620.00780.00940.01170.015655400.00700.00880.01060.01320.017660450.00780.00970.01160.01450.019465500.00850.01060.01270.01590..021270550.00920.01150.01380.01720.023075600.00990.01240.01490.

4、01860.024880650.01080.01350.01620.02020.027085700.01140.01420.01710.02140.028590750.01220.01520.01820.02280.030495800.01290.01610.01930.02410.0322100850.01360.01700.02040.02550.0340105900.01450.01810.02170.02720.03621151000.01580.01980.02380.02970.039

5、61201050.02070.02480.03100.04141251100.02160.02590.03240.04311301150.02250.02700.03380.04501401250.02470.02960.03710.04941551400.02700.03240.04050.0540160145—0.03360.04200.05611651500.03480.04350.05801801650.03840.04800.06401901750.04080.05100.0680205

6、1900.04320.05400.07202152000.04550.05690.07582302150.04900.06120.08162402250.05190.06480.08642552400.05550.06920.0922注：表中粗实线以下所列规格尽量不用。表2Ⅱ类阀片Dmmdmmδ±0.05mm基本尺寸极限偏差d9基本尺寸极限偏差d91.52.02.53.0重量≈kg55350.01660.02210.02770.033260400.01850.02470.03080.0370705

7、00.02220.02960.03700.044480600.02590.03450.04320.051890700.02950.03930.04920.059095750.03140.04190.05240.0628105850.03520.04680.05850.0703115950.03890.05190.06480.07781251050.04250.05670.07100.08501301100.04440.05920.07400.08881401200.04800.06400.0800

8、0.09601501300.05180.06900.08640.10361601400.05550.07400.09250.11101651450.05740.07640.09540.11481751550.06120.08210.10300.12241851650.06420.08600.10780.12841951750.06820.09100.11380.13642001800.06930.09310.11690.13862101900.07340.09840.12300.1