有人有内丝规格的查询尺寸没?比如1⼀4"的内丝 2⼀4的内丝 3⼀4的内丝 具体尺寸

2024-11-19 12:36:09
推荐回答(5个)
回答(1):

端内丝G3/4技术参数如下表:

GB/T 1047-2005标准适用于使用 DN 标识的相关标准中规定的管道元件,也可以使用与本标准不同的其他标识尺寸方法。

例如螺纹、压配、承插焊或对接焊的管道元件,可用NPS(公称管子尺寸)、OD(外径)、ID(内径)或G(管螺纹尺寸标记)等标识的管道元件。

扩展资料

工程中所用的无缝管,如输送流体用无缝钢管(GB 8163-87)、石油裂化用无缝钢管(GB 9948-88)、化肥设备用高压无缝钢管(GB 6479-86)等,标记方法不用公称直径,而是以外径乘厚度表示。

标准中称此外径与厚度为公称外径与公称厚度。输送流体用无缝钢管和一般用途无缝钢管分热轧管和冷拔管两种。

冷拔管的最大外径为200mm;热轧管的最大外径为630mm。在管道工程中,管径超过57mm时,常采用热轧管。管径在57mm以内常选用冷拔管。

参考资料来源:百度百科-公称直径

参考资料来源:中国国家标准化管理委员会 -管道元件 DN(公称尺寸)的定义和选用

回答(2):

如图所示:主要用于相匹配的五金配件连接,比如可以安装在各种管道接口使用。用优质锌合金材料制作而成,颜色为银色。

扩展资料:

1.铜接头:快拧、直接头、对丝、直通、直接对丝(内丝)、内外丝对接直接、宝塔,消声器,弯头、气嘴弯头、三通、堵头、卡套、一体机接头

2.阀类:气缸接头(调气阀)、放水阀、单项气动阀、单向阀、针形阀、球阀、消声节流阀、气接头

3.塑料管类:PA管、尼龙管、PU管、挂车螺旋管,PU螺旋管,尼龙管三件套:衬芯、卡套、螺母、7件套

4.铁接头:碳钢接头、直接头、弯头、碳钢三通、来图来样

用于五金、汽车配件、气动、水暖、机械、电子等行业

水暖安装中常用的一种转向连接用终端管件。按角度分,有45°及90°,另外根据工程需要还包括60°等其他非正常角度弯头。内丝弯头的材料有铸铁、不锈钢、合金钢、可煅铸铁,碳钢,有色金属及塑料等。

参考资料来源:百度百科-内丝弯头

回答(3):

1/4"的内丝直径6.35毫米,2/4的内丝直径12.7毫米,3/4的内丝直径19.05毫米。

分数标准的是英寸,1英寸=25.4毫米

4分之1英寸=25.4×1/4=6.35毫米

4分之2英寸=25.4×2/4=12.7毫米

4分之3英寸=25.4×3/4=19.05毫米

扩展资料:

使用于联合王国(UK,即英国(英联邦)及其前殖民地的长度单位,一般为1in=2.54cm,在英制里,12英寸为1英尺,36英寸为1码。

在建筑材料中,对管材的称法用英寸这个单位,为2.54cm,而不是用市寸。

在液晶显示器中,规格一般有17寸、19寸、22寸等。在手机中,屏幕尺寸现在一般有4.0寸、4.2寸、4.5寸、4.7寸、4.8寸、5.0寸、5.2寸、5.5寸、5.7寸、6.44寸等。在平板电脑中,屏幕尺寸一般有7.9寸、9.7寸、12.9寸。显示屏的大小通常以对角线的长度来衡量,以英寸单位。

英寸的分数:1/64 3/64 5/64 7/64 9/64-----

英寸的小数:0.015625 0.03125 0.046875-----

我国习惯称呼:一厘二毫半 二厘半 三厘七毫半-----

单位转换:

1mil=1/1000inch=0.00254cm=0.0254mm.

1inch=1000mil=2.54cm=25.4mm.

在英制里,12英寸(吋)为1英尺(呎),36英寸为1码.

1英寸=25.4mm(数码感应器).

参考资料来源:百度百科-英寸

回答(4):

公称直径(英寸) 每英寸牙数n 螺距t 螺纹直径 牙形高度h1 圆弧半径r 外径d 中径d2 内径d1
(1/8) 28 0.907 9.729 9.148 8.567 0.581 0.125
1/4 19 1.337 13.158 12.302 11.446 0.856 0.184
3/8 19 16.663 15.807
14.951
0.856
0.184
1/2
14
1.814
20.956
19.794
18.632
1.162
0.249
(5/8)
14
00.912
21.750
20.588
3/4
14
26.442
25.281
24.119
(7/8)
14
30.202
29.040
27.878
1
11
2.309
33.250
31.771
30.293
1.479
0.317
1.1/8
11
37.898
36.420
34.941
1.1/4
11
41.912
40.433
38.954
1.3/8
11
44.325
42.846
41.367
1.1/2
11
47.805
46.326
44.847
1.3/4
11
53.748
52.270
50.791
2
11
59.616
58.137
56.659
2.1/4
11
65.712
64.234
62.755
2.1/2
11
75.187
73.708
72.230
2.3/4
11
81.537
80.058
78.580
3
11
87.887
86.409
84.980
3.1/2
11
100.334
98.855
97.376

回答(5):

管螺纹基本尺寸表 (GB/T7307-1987)
 
公称直径
(英寸)
每英寸
牙数n
螺距t
螺纹直径
牙形高度
h1
圆弧半径
r
外径d
中径d2
内径d1
(1/8)
28
0.907
9.729
9.148
8.567
0.581
0.125
1/4
19
1.337
13.158
12.302
11.446
0.856
0.184
3/8
19
16.663
15.807
14.951
0.856
0.184
1/2
14
1.814
20.956
19.794
18.632
1.162
0.249
(5/8)
14
00.912
21.750
20.588
3/4
14
26.442
25.281
24.119
(7/8)
14
30.202
29.040
27.878
1
11
2.309
33.250
31.771
30.293
1.479
0.317
1.1/8
11
37.898
36.420
34.941
1.1/4
11
41.912
40.433
38.954
1.3/8
11
44.325
42.846
41.367
1.1/2
11
47.805
46.326
44.847
1.3/4
11
53.748
52.270
50.791
2
11
59.616
58.137
56.659
2.1/4
11
65.712
64.234
62.755
2.1/2
11
75.187
73.708
72.230
2.3/4
11
81.537
80.058
78.580
3
11
87.887
86.409
84.980
3.1/2
11
100.334
98.855
97.376

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