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  • 内外牙螺纹弯头.jpg

内外螺纹弯头 | Street Elbow


产品概要:

尺寸范围:1/8″~2″ (DN6~DN50)
压力等级:3000LB(SCH160)、6000LB(XXS)
材质牌号:碳钢、不锈钢、合金钢、超级双相钢、镍基合金等
制造工艺:进料→复检→下料→加热→模锻→热处理→切边→抛丸→钻孔→机加工→打标→检验→装箱→发运
产品标准:ASME 16.11, GB/T14383-2018,BS-3799
螺纹型式:NPT、Rc、BSP、G、PT

应用领域

产品详细

内外丝弯头-结构图
ASME B16.11
Dimensions are in millimeters
公称通径
Nominal Size 
端部外径
Outside Diameter
中心至内螺纹端面Center to Female End 中心至外螺纹端面Center to Male End 本体厚度
Body Wall
内螺纹完整长度Full   thread length 内螺纹有效长度Effective thread length 外螺纹长度
Length
DN NPS H A J G1
(Min)
G2
(Min)
B
(Min)
L2
(Min)
L
(Min)
3000Lb
6 1/8 19 19 25 3.18 2.74 6.4 6.7 10
8 1/4 25 22 32 3.3 3.22 8.1 10.2 11
10 3/8 32 25 38 3.51 3.50 9.1 10.4 13
15 1/2 38 28 41 4.09 4.16 10.9 13.6 14
20 3/4 44 35 48 4.32 4.88 12.7 13.9 16
25 1 51 44 57 4.98 5.56 14.7 17.3 19
32 1.1/4 62 51 66 5.28 5.56 17.0 18.0 21
40 1.1/2 70 54 71 5.56 6.25 17.8 18.4 21
50 2 84 64 84 7.14 7.64 19.0 19.0 22
6000Lb
6 1/8 25 22 32 5.08 4.22 6.4 6.7 10
8 1/4 32 25 38 5.66 5.28 8.1 10.2 11
10 3/8 38 28 41 6.98 5.59 9.1 10.4 13
15 1/2 44 35 48 8.15 6.53 10.9 13.6 14
20 3/4 51 44 57 8.53 6.86 12.7 13.9 16
25 1 62 51 66 9.93 7.95 14.7 17.3 19
32 1.1/4 70 54 71 10.59 8.48 17.0 18.0 21
40 1.1/2 84 64 84 11.07 8.89 17.8 18.4 21
50 2 102 83 105 12.09 9.70 19.0 19.0 22

Note:
(1) Wall thickness before threading.
(2) Dimension B is minimum length of perfect thread.The Length of useful thread (B plus threads with fully formed roots and flat crests) shall not be less than L2(effective length of external thread)required by American National Standard for pipe threads (ANSI/ASME B1.20.1).

 

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