| 一、概述 | 
                
                
                                      適用于以油為介質(zhì)的管路系統(tǒng)用焊接式管接頭。公稱壓力為31.5MPa,工作溫度為-25~+80℃。 
                    焊接式端直通管接頭、焊接式端直通長(zhǎng)管接頭、焊接式直通管接頭、焊接式直角管接頭,焊接式四通管接頭,焊接式隔壁直通管接頭、焊接式隔壁直角管接頭、焊接式分管管接頭、焊接式鉸接管接頭的型式和尺寸按圖1~圖10 和表1的規(guī)定。 | 
                
                
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                  | 二、結(jié)構(gòu)形式 | 
                
                
                   | 
                
                
                   | 
                
                
                  |   | 
                
                
                  | 三、外形尺寸 | 
                
                
                  
                    
                      管子直徑Do  | 
                      公稱通徑DN  | 
                      d  | 
                      d1  | 
                      d2  | 
                      d3  | 
                      d4(H12/h12)  | 
                      d5  | 
                      D+0.6/+0.44  | 
                      l  | 
                      l1  | 
                      l2  | 
                     
                    
                      6  | 
                      3  | 
                      M10X1   | 
                      7.5  | 
                      10  | 
                      6.5  | 
                      7  | 
                       | 
                      12  | 
                      8  | 
                      14  | 
                      32  | 
                     
                    
                      10  | 
                      6  | 
                      M10X1  | 
                      11  | 
                      10  | 
                      10.5  | 
                      11  | 
                      22  | 
                      16  | 
                      8  | 
                      16.5  | 
                      35  | 
                     
                    
                      10  | 
                      6  | 
                      M14X1.5  | 
                      11  | 
                      14  | 
                       | 
                       | 
                       | 
                       | 
                      12  | 
                      16.5  | 
                      35  | 
                     
                    
                      14  | 
                      8  | 
                      M14X1.5  | 
                      16  | 
                      14  | 
                      14.5  | 
                      16  | 
                      28  | 
                      22  | 
                      12  | 
                      19  | 
                      43  | 
                     
                    
                      14  | 
                      8  | 
                      M18X1.5  | 
                      16  | 
                      19  | 
                       | 
                       | 
                       | 
                       | 
                      12  | 
                      21  | 
                      43  | 
                     
                    
                      18  | 
                      10  | 
                      M18X1.5  | 
                      19  | 
                      19  | 
                      18.5  | 
                      19  | 
                      36  | 
                      27  | 
                      12  | 
                      21  | 
                      45  | 
                     
                    
                      18  | 
                      10  | 
                      M22X1.5  | 
                      19  | 
                      24  | 
                       | 
                       | 
                       | 
                       | 
                      14  | 
                      21  | 
                      45  | 
                     
                    
                      22  | 
                      15  | 
                      M22X1.5  | 
                      22  | 
                      24  | 
                      22.5  | 
                      22  | 
                      46  | 
                      30  | 
                      14  | 
                      21  | 
                      48  | 
                     
                    
                      22  | 
                      15  | 
                      M27X2  | 
                      22  | 
                      28  | 
                       | 
                       | 
                       | 
                       | 
                      16  | 
                      21  | 
                      48  | 
                     
                    
                      28  | 
                      20  | 
                      M27X2  | 
                      28  | 
                      28  | 
                      28.5  | 
                      28  | 
                      56  | 
                      36  | 
                      16  | 
                      24  | 
                      54  | 
                     
                    
                      28  | 
                      20  | 
                      M33X2  | 
                      28  | 
                      34  | 
                       | 
                       | 
                       | 
                       | 
                      16  | 
                      24  | 
                      54  | 
                     
                    
                      34  | 
                      25  | 
                      M33X2  | 
                      34  | 
                      34  | 
                      34.5  | 
                      34  | 
                      64  | 
                      42  | 
                      16  | 
                      26  | 
                      65  | 
                     
                    
                      34  | 
                      25  | 
                      M42X2  | 
                      34  | 
                      44  | 
                       | 
                       | 
                       | 
                       | 
                      18  | 
                      26  | 
                      65  | 
                     
                    
                      42  | 
                      32  | 
                      M42X2  | 
                      42  | 
                      44  | 
                      42.5  | 
                      42  | 
                      78  | 
                      52  | 
                      18  | 
                      28  | 
                      72  | 
                     
                    
                      42  | 
                      32  | 
                      M48X2  | 
                      42  | 
                      50  | 
                       | 
                       | 
                       | 
                       | 
                      20  | 
                      28  | 
                      72  | 
                     
                    
                      50  | 
                      40  | 
                      M48X2  | 
                      50  | 
                      50  | 
                      50.5  | 
                      50  | 
                      90  | 
                      60  | 
                      20  | 
                      30  | 
                      78  | 
                     
                    | 
                
                
                  |   | 
                
                
                  
                    
                      管子直徑Do  | 
                      公稱通徑DN  | 
                      l3  | 
                      l4  | 
                      L  | 
                      L1  | 
                      L2  | 
                      L3  | 
                      L4  | 
                      L5  | 
                      L6  | 
                      L7  | 
                      L8  | 
                      L9  | 
                      L10  | 
                      L11  | 
                     
                    
                      6  | 
                      3  | 
                      3  | 
                       | 
                      22  | 
                      54  | 
                      30  | 
                      24  | 
                      12  | 
                      22  | 
                      41  | 
                      26  | 
                      20  | 
                       | 
                       | 
                       | 
                     
                    
                      10  | 
                      6  | 
                      4  | 
                      8  | 
                      24.5  | 
                      59.5  | 
                      32.5  | 
                      28.5  | 
                      15  | 
                      25.5  | 
                      44.5  | 
                      30.5  | 
                      21.5  | 
                      23  | 
                      8.5  | 
                      15  | 
                     
                    
                      10  | 
                      6  | 
                       | 
                       | 
                      25.5  | 
                      60.5  | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                     
                    
                      14  | 
                      8  | 
                      5  | 
                      10  | 
                      29  | 
                      72  | 
                      41  | 
                      35  | 
                      20  | 
                      29  | 
                      49  | 
                      38  | 
                      27  | 
                      29  | 
                      11  | 
                      20  | 
                     
                    
                      14  | 
                      8  | 
                       | 
                       | 
                      29  | 
                      72  | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                     
                    
                      18  | 
                      10  | 
                      7  | 
                      12  | 
                      33  | 
                      78  | 
                      45  | 
                      39  | 
                      22  | 
                      33  | 
                      51  | 
                      42  | 
                      29  | 
                      34                          | 
                      13  | 
                      25  | 
                     
                    
                      18  | 
                      10  | 
                       | 
                       | 
                      33  | 
                      78  | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                     
                    
                      22  | 
                      15  | 
                      8  | 
                      14  | 
                      34  | 
                      82  | 
                      48  | 
                      43  | 
                      26  | 
                      35  | 
                      55  | 
                      46  | 
                      30  | 
                      43  | 
                      17  | 
                      30  | 
                     
                    
                      22  | 
                      15  | 
                       | 
                       | 
                      35  | 
                      83  | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                     
                    
                      28  | 
                      20  | 
                      9  | 
                      15  | 
                      37  | 
                      91  | 
                      53  | 
                      48  | 
                      30  | 
                      39  | 
                      57  | 
                      51  | 
                      32  | 
                      50  | 
                      20  | 
                      35  | 
                     
                    
                      28  | 
                      20  | 
                       | 
                       | 
                      39  | 
                      93  | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                     
                    
                      34  | 
                      25  | 
                      10  | 
                      16  | 
                      46  | 
                      111  | 
                      62  | 
                      57  | 
                      36  | 
                      46  | 
                      62  | 
                      61  | 
                      37  | 
                      66  | 
                      27  | 
                      24  | 
                     
                    
                      34  | 
                      25  | 
                       | 
                       | 
                      48  | 
                      113  | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                     
                    
                      42  | 
                      32  | 
                      12  | 
                      17  | 
                      50  | 
                      122  | 
                      68  | 
                      64  | 
                      40  | 
                      48  | 
                      68  | 
                      68  | 
                      39  | 
                      82  | 
                      34  | 
                      30  | 
                     
                    
                      42  | 
                      32  | 
                       | 
                       | 
                      52  | 
                      124  | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                     
                    
                      50  | 
                      40  | 
                      15  | 
                      19  | 
                      56  | 
                      134  | 
                      76  | 
                      74  | 
                      48  | 
                      54  | 
                      74  | 
                      78  | 
                      43  | 
                      94  | 
                      38  | 
                      33  | 
                     
                    | 
                
                
                  |   | 
                
                
                  
                    
                      管子外徑Do  | 
                      公稱通徑DN  | 
                      S  | 
                      S1  | 
                      S2  | 
                      S3  | 
                      S4  | 
                      S5  | 
                      S6  | 
                      S7  | 
                      O型圈JB/ZQ4224  | 
                      墊圈  | 
                     
                    
                      6  | 
                      3  | 
                      17  | 
                      14  | 
                      14  | 
                      14  | 
                      10  | 
                      17  | 
                      17  | 
                       | 
                      8X1.9  | 
                      10  | 
                     
                    
                      10  | 
                      6  | 
                      17  | 
                      19  | 
                      17  | 
                      17  | 
                      14  | 
                      22  | 
                      22  | 
                      17  | 
                      11X1.9  | 
                      10  | 
                     
                    
                      10  | 
                      6  | 
                      19  | 
                      19  | 
                      19  | 
                       | 
                       | 
                       | 
                       | 
                       | 
                      11X1.9  | 
                      14  | 
                     
                    
                      14  | 
                      8  | 
                      22  | 
                      27  | 
                      22  | 
                      22  | 
                      19  | 
                      30  | 
                      27  | 
                      19  | 
                      16X1.9  | 
                      14  | 
                     
                    
                      14  | 
                      8  | 
                      24  | 
                      27  | 
                      24  | 
                       | 
                       | 
                       | 
                       | 
                       | 
                      16X1.9  | 
                      18  | 
                     
                    
                      18  | 
                      10  | 
                      27  | 
                      32  | 
                      27  | 
                      27  | 
                      24  | 
                      36  | 
                      32  | 
                      24  | 
                      20X2.4  | 
                      18  | 
                     
                    
                      18  | 
                      10  | 
                      30  | 
                      32  | 
                      30  | 
                       | 
                       | 
                       | 
                       | 
                       | 
                      20X2.4  | 
                      22  | 
                     
                    
                      22  | 
                      15  | 
                      30  | 
                      36  | 
                      30  | 
                      30  | 
                      27  | 
                      41  | 
                      36  | 
                      30  | 
                      24X2.4  | 
                      22  | 
                     
                    
                      22  | 
                      15  | 
                      36  | 
                      36  | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                      24X2.4  | 
                      27  | 
                     
                    
                      28  | 
                      20  | 
                      36  | 
                      41  | 
                      36  | 
                      36  | 
                      32  | 
                      50  | 
                      41  | 
                      36  | 
                      30X3.1  | 
                      27  | 
                     
                    
                      28  | 
                      20  | 
                      41  | 
                      41  | 
                      41  | 
                       | 
                       | 
                       | 
                       | 
                       | 
                      30X3.1  | 
                      33  | 
                     
                    
                      34  | 
                      25  | 
                      46  | 
                      50  | 
                      46  | 
                      46  | 
                      41  | 
                      55  | 
                      50  | 
                      41  | 
                      35X3.1  | 
                      33  | 
                     
                    
                      34  | 
                      25  | 
                      55  | 
                      50  | 
                      55  | 
                       | 
                       | 
                       | 
                       | 
                       | 
                      35X3.1  | 
                      42  | 
                     
                    
                      42  | 
                      32  | 
                      55  | 
                      60  | 
                      55  | 
                      55  | 
                      50  | 
                      65  | 
                      60  | 
                      55  | 
                      40X3.1  | 
                      42  | 
                     
                    
                      42  | 
                      32  | 
                      60  | 
                      60  | 
                      60  | 
                       | 
                       | 
                       | 
                       | 
                       | 
                      40X3.1  | 
                      48  | 
                     
                    
                      50  | 
                      40  | 
                      65  | 
                      70  | 
                      65  | 
                      65  | 
                      60  | 
                      70  | 
                      70  | 
                      60  | 
                      45X3.1  | 
                      48  | 
                     
                    | 
                
                
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                      管子外徑Do  | 
                      公稱通徑DN  | 
                      重量kg  | 
                       
                    
                      JB966-77  | 
                      JB1883-77  | 
                      JB970-77  | 
                      JB971-77  | 
                      JB972-77  | 
                      JB973-77  | 
                      JB974-77  | 
                      JB975-77  | 
                      JB977-77  | 
                      JN978-77  | 
                     
                    
                      6  | 
                      3  | 
                      0.039  | 
                      0.052  | 
                      0.028  | 
                      0.032  | 
                      0.064  | 
                      0.087  | 
                      0.077  | 
                      0.096  | 
                      0.021  | 
                       | 
                     
                    
                      10  | 
                      6  | 
                      0.060  | 
                      0.082  | 
                      0.055  | 
                      0.068  | 
                      0.145  | 
                      0.190  | 
                      0.158  | 
                      0.183  | 
                      0.046  | 
                      0.059  | 
                     
                    
                      10  | 
                      6  | 
                      0.071  | 
                      0.103  | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                     
                    
                      14  | 
                      8  | 
                      0.143  | 
                      0.210  | 
                      0.150  | 
                      0.160  | 
                      0.370  | 
                      0.5  | 
                      0.344  | 
                      0.366  | 
                      0.12  | 
                      0.103  | 
                     
                    
                      14  | 
                      8  | 
                      0.155  | 
                      0.235  | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                     
                    
                      18  | 
                      10  | 
                      0.199  | 
                      0.325  | 
                      0.190  | 
                      0.250  | 
                      0.510  | 
                      0.680  | 
                      0.505  | 
                      0.53  | 
                      0.160  | 
                      0.190  | 
                     
                    
                      18  | 
                      10  | 
                      0.236  | 
                      0.356  | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                     
                    
                      22  | 
                      15  | 
                      0.270  | 
                      0.436  | 
                      0.240  | 
                      0.310  | 
                      0.650  | 
                      0.880  | 
                      0.6  | 
                      0.67  | 
                      0.210  | 
                      0.342  | 
                     
                    
                      22  | 
                      15  | 
                      0.320  | 
                      0.480  | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                     
                    
                      28  | 
                      20  | 
                      0.390  | 
                      0.620  | 
                      0.370  | 
                      0.470  | 
                      0.920  | 
                      1.250  | 
                      0.95  | 
                      1.02  | 
                      0.280  | 
                      0.660  | 
                     
                    
                      28  | 
                      20  | 
                      0.450  | 
                      0.640  | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                     
                    
                      34  | 
                      25  | 
                      0.600  | 
                      1.000  | 
                      0.630  | 
                      0.760  | 
                      1.530  | 
                      2.180  | 
                      1.68  | 
                      1.97  | 
                      0.470  | 
                      1.320  | 
                     
                    
                      34  | 
                      25  | 
                      0.850  | 
                      1.224  | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                     
                    
                      42  | 
                      32  | 
                      1.060  | 
                      1.624  | 
                      1.050  | 
                      1.220  | 
                      2.400  | 
                      3.800  | 
                      2.03  | 
                      2.53  | 
                      0.670  | 
                      2.140  | 
                     
                    
                      42  | 
                      32  | 
                      1.170  | 
                      1.730  | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                       | 
                     
                    
                      50  | 
                      40  | 
                      1.670  | 
                      2.430  | 
                      1.570  | 
                      2.050  | 
                      3.9  | 
                      5.300  | 
                      3.34  | 
                      3.84  | 
                      1.050  | 
                      3.330  | 
                     
                    | 
                
                
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                  | 四、標(biāo)記說(shuō)明 | 
                
                
                   a、管子外徑D0為18mm、螺紋直徑d為22mm、螺距為1.5mm的焊接式端直通管接頭: 
                      管接頭 18-M22 × 1.5 JB/966-77 
                     b、管子外徑D0為18mm、螺紋直徑d為22mm、螺距為1.5mm的焊接式端直通長(zhǎng)管接頭: 
                       管接頭 18-M22×1.5 JB/1883-77 
                     c、管子外徑D0為28mm的焊接式端直通管接頭: 
                       管接頭 28 JB970-77 
                     d、管子外徑D0為28mm的焊接式直角管接頭: 
                       管接頭 28 JB971-77 
                     e、管子外徑D0為18mm的焊接式三通管接頭: 
                       管接頭 18 JB972-77 
                     f、管子外徑D0為18mm的焊接式四通管接頭: 
                       管接頭 18 JB973-77 
                     g、管子外徑D0為28mm的焊接式隔壁直通管接頭: 
                       管接頭 28 JB974-77 
                     h、管子外徑D0為28mm的焊接式隔壁直通角管接頭: 
                       管接頭 28 JB975-77 
                     i、管子外徑D0為28mm的焊接式分管管接頭: 
                       管接頭 28 JB977-77 
                     j、管子外徑D0為28mm的A型焊接式鉸管接頭: 
                       管接頭 28A JB978-77 | 
                
                
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