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              | 卡套式端對(duì)接直通管接頭(25MPa、40MPa) |  
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                  | 本標(biāo)準(zhǔn)規(guī)定了卡套式端對(duì)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(jí),管子外徑D0為14mm的卡套式端對(duì)接直通管接頭:
 管接頭J14 	 GB/T3754.1-1983
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                      | 管子外徑D0 | 公稱通徑DN | d5 | d | l | l1≈ | L≈ | 扳手尺寸 | e | e1 | 重  量(kg/100件) |  
                      | S | S1 |  
                      | G(25) | 4 | 3 | M10×1 |  | 16 | 31 | 15 | 15 | 17.3 | 17.3 | 3.08 |  
                      | 5 | 3.5 |  
                      | 6 | 4 | 18.7 | 36 | 16 | 18.5 | 4.15 |  
                      | 8 | 6 | M12×1.5 | 12 | 22 | 40 | 16 | 18 | 18.5 | 20.8 | 6.23 |  
                      | 10 | 8 | M14×1.5 | 23 | 43 | 18 | 21 | 20.8 | 24.2 | 8.02 |  
                      | 12 | 10 | M16×1.5 | 24 | 44 | 21 | 24 | 24.2 | 27.7 | 10.6 |  
                      | 14 | 12 | M18×1.5 | 24 | 27.7 | 12.1 |  
                      | 16 | 14 | M22×1.5 | 14 | 25 | 46 | 27 | 27 | 31.2 | 31.2 | 16.2 |  
                      | 18 | 15 | 25.5 | 30 | 34.6 | 18.9 |  
                      | 20 | 17 | M27×2 | 16 | 27 | 50 | 34 | 34 | 39.3 | 39.3 | 26.5 |  
                      | 22 | 19 | 31.5 | 55 | 36 | 41.6 | 30.8 |  
                      | 25 | 22 | M33×2 | 18 | 33.5 | 59 | 41 | 41 | 47.3 | 47.3 | 44.1 |  
                      | 28 | 24 | 34.5 | 61 | 47.5 |  
                      | 32 | 27 | M42×2 | 20 | 36.5 | 64 | 50 | 50 | 57.7 | 57.7 | 47.9 |  
                      | 34 | 30 | 65 | 68.3 |  
                      | 40 | 34 | M50×2 | 22 | 37.5 | 66 | 60 | 55 | 69.3 | 63.5 | 90.1 |  
                      | 42 | 36 | 60 | 69.3 | 101 |  
                      | J(40) | 6 | 3 | M12×1.5/G1/8″ | 12 | 23 | 41 | 16 | 18 | 18.5 | 20.8 | 7.27 |  
                      | 8 | 5 | M14×1.5/G1/4″ | 24 | 43 | 18 | 21 | 20.8 | 24.2 | 9.06 |  
                      | 10 | 7 | M16×1.5/G3/8″ | 25.5 | 46 | 21 | 24 | 24.2 | 27.7 | 12.3 |  
                      | 12 | 8 | M80×1.5/G(1/2″) | 26.5 | 47 | 24 | 27.7 | 15 |  
                      | 14 | 10 | 14 | 27 | 48 | 27 | 27 | 31.2 | 31.2 | 18.3 |  
                      | 16 | 12 | M22×1.5 | 28 | 50 | 30 | 34.6 | 22.7 |  
                      | 18 | 14 | 29.5 | 53 | 30 | 34 | 34.6 | 39.3 | 25.5 |  
                      | 20 | 16 | M27×2 | 16 | 34.5 | 62 | 34 | 36 | 39.3 | 41.6 | 36.6 |  
                      | 22 | 18 | 35.5 | 64 | 36 | 41 | 41.6 | 47.3 | 45.7 |  
                      | 25 | 20 | M33×2 | 18 | 38 | 67 | 41 | 47.3 | 54.2 |  
                      | 28 | 22 | 39.5 | 69 | 46 | 53.1 | 63.4 |  |  
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