| 本標(biāo)準(zhǔn)規(guī)定了卡套式對接直通管接頭,適用于油、氣及一般腐蝕性介質(zhì)的管路系統(tǒng)。 | 
                
                
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                  標(biāo)記示例: 
                      
                    公稱壓力J級,管子外徑D0為14mm的卡套對接直通管接頭: 
                      
                    管接頭J14  GB/T3756.1-1983 | 
                
                
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                      管子外徑D0  | 
                      公稱通徑DN  | 
                      d5  | 
                      l1≈  | 
                      L≈  | 
                      扳手尺寸  | 
                      e  | 
                      e1  | 
                      重  量(kg/100件)  | 
                     
                    
                      S  | 
                      S1  | 
                     
                    
                      G(25)  | 
                      4  | 
                      3  | 
                      25  | 
                      56  | 
                      13  | 
                      15  | 
                      15  | 
                      17.3  | 
                      4.22  | 
                     
                    
                      5  | 
                      3.5  | 
                      4.22  | 
                     
                    
                      6  | 
                      4  | 
                      30.4  | 
                      65  | 
                      16  | 
                      18.5  | 
                      6.63  | 
                     
                    
                      8  | 
                      6  | 
                      36  | 
                      72  | 
                      15  | 
                      18  | 
                      17.3  | 
                      20.8  | 
                      9.52  | 
                     
                    
                      10  | 
                      8  | 
                      38  | 
                      78  | 
                      18  | 
                      21  | 
                      20.8  | 
                      24.2  | 
                      12.2  | 
                     
                    
                      12  | 
                      10  | 
                      39  | 
                      79  | 
                      21  | 
                      24  | 
                      24.2  | 
                      27.7  | 
                      16  | 
                     
                    
                      14  | 
                      12  | 
                      18.5  | 
                     
                    
                      16  | 
                      14  | 
                      40  | 
                      82  | 
                      24  | 
                      27  | 
                      27.7  | 
                      31.2  | 
                      23.5  | 
                     
                    
                      18  | 
                      15  | 
                      41  | 
                      83  | 
                      27  | 
                      30  | 
                      31.2  | 
                      34.6  | 
                      39.9  | 
                     
                    
                      20  | 
                      17  | 
                      44  | 
                      91  | 
                      30  | 
                      34  | 
                      34.6  | 
                      39.3  | 
                      37.7  | 
                     
                    
                      22  | 
                      19  | 
                      53  | 
                      99  | 
                      34  | 
                      36  | 
                      39.3  | 
                      41.6  | 
                      49.4  | 
                     
                    
                      25  | 
                      22  | 
                      103  | 
                      36  | 
                      41  | 
                      41.6  | 
                      47.3  | 
                      65.9  | 
                     
                    
                      28  | 
                      24  | 
                      55  | 
                      107  | 
                      41  | 
                      47.3  | 
                      67.9  | 
                     
                    
                      32  | 
                      27  | 
                      57  | 
                      111  | 
                      46  | 
                      50  | 
                      53.1  | 
                      57.7  | 
                      99.3  | 
                     
                    
                      34  | 
                      30  | 
                      113  | 
                      71.3  | 
                     
                    
                      40  | 
                      34  | 
                      58  | 
                      114  | 
                      50  | 
                      55  | 
                      57.7  | 
                      63.5  | 
                      112.  | 
                     
                    
                      42  | 
                      36  | 
                      55  | 
                      60  | 
                      63.5  | 
                      69.3  | 
                      139  | 
                     
                    
                      J(40)  | 
                      6  | 
                      3  | 
                      38  | 
                      74  | 
                      16  | 
                      18  | 
                      18.5  | 
                      20.8  | 
                      11.0  | 
                     
                    
                      8  | 
                      5  | 
                      76  | 
                      18  | 
                      21  | 
                      20.8  | 
                      24.2  | 
                      13.4  | 
                     
                    
                      10  | 
                      7  | 
                      41  | 
                      83  | 
                      21  | 
                      24  | 
                      24.2  | 
                      27.7  | 
                      18.2  | 
                     
                    
                      12  | 
                      8  | 
                      27.7  | 
                      21.7  | 
                     
                    
                      14  | 
                      10  | 
                      42  | 
                      86  | 
                      24  | 
                      27  | 
                      31.2  | 
                      31.2  | 
                      28  | 
                     
                    
                      16  | 
                      12  | 
                      27  | 
                      30  | 
                      34.6  | 
                      34.4  | 
                     
                    
                      18  | 
                      14  | 
                      45  | 
                      91  | 
                      30  | 
                      34  | 
                      34.6  | 
                      39.3  | 
                      40.4  | 
                     
                    
                      20  | 
                      16  | 
                      55  | 
                      109  | 
                      34  | 
                      36  | 
                      39.3  | 
                      41.6  | 
                      56.2  | 
                     
                    
                      22  | 
                      18  | 
                      57  | 
                      114  | 
                      36  | 
                      41  | 
                      41.6  | 
                      47.3  | 
                      74.7  | 
                     
                    
                      25  | 
                      20  | 
                      61  | 
                      119  | 
                      41  | 
                      47.3  | 
                      79.4  | 
                     
                    
                      28  | 
                      22  | 
                      63  | 
                      122  | 
                      46  | 
                      53.1  | 
                      99.3  | 
                     
                    | 
                
                
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