一、概述  | 
              
              
                 适用于以油为介质的管路系统用焊接式管接头。公称压力为31.5MPa,工作温度为-25~+80℃。 
                  焊接式端直通管接头、焊接式端直通长管接头、焊接式直通管接头、焊接式直角管接头,焊接式四通管接头,焊接式隔壁直通管接头、焊接式隔壁直角管接头、焊接式分管管接头、焊接式铰接管接头的型式和尺寸按图1~图10 和表1的规定。  | 
              
              
                
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                二、结构形式  | 
              
              
                 | 
              
              
                 | 
              
              
                
  | 
              
              
                三、外形尺寸  | 
              
              
                
                    
                      
                        管子直径Do  | 
                        公称通径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  | 
                       
                     
                  | 
              
              
                
  | 
              
              
                
                    
                      
                        管子直径Do  | 
                        公称通径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  | 
                       
                     
                  | 
              
              
                
  | 
              
              
                
                    
                      
                        管子外径Do  | 
                        公称通径DN  | 
                        S  | 
                        S1  | 
                        S2  | 
                        S3  | 
                        S4  | 
                        S5  | 
                        S6  | 
                        S7  | 
                        O型圈JB/ZQ4224  | 
                        垫圈  | 
                       
                      
                        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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                        管子外径Do  | 
                        公称通径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、标记说明  | 
              
              
                 a、管子外径D0为18mm、螺纹直径d为22mm、螺距为1.5mm的焊接式端直通管接头: 
                  管接头 18-M22 × 1.5 JB/966-77 
                  b、管子外径D0为18mm、螺纹直径d为22mm、螺距为1.5mm的焊接式端直通长管接头: 
                  管接头 18-M22×1.5 JB/1883-77 
                  c、管子外径D0为28mm的焊接式端直通管接头: 
                  管接头 28 JB970-77 
                  d、管子外径D0为28mm的焊接式直角管接头: 
                  管接头 28 JB971-77 
                  e、管子外径D0为18mm的焊接式三通管接头: 
                  管接头 18 JB972-77 
                  f、管子外径D0为18mm的焊接式四通管接头: 
                  管接头 18 JB973-77 
                  g、管子外径D0为28mm的焊接式隔壁直通管接头: 
                  管接头 28 JB974-77 
                  h、管子外径D0为28mm的焊接式隔壁直通角管接头: 
                  管接头 28 JB975-77 
                  i、管子外径D0为28mm的焊接式分管管接头: 
                  管接头 28 JB977-77 
                  j、管子外径D0为28mm的A型焊接式铰管接头: 
                  管接头 28A JB978-77  | 
              
              
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