会员中心 | English | 繁體中文

[技术]

非螺纹密封连接的管螺纹 G管螺纹 ISO 228-1 - 2000

选择规格尺寸点击↓

1/16

1/8

1/4

3/8

1/2

5/8

3/4

7/8

1-1/8

1-1/4

1-1/2

1-3/4

2-1/4

2-1/2

2-3/4

3-1/2

4-1/2

5-1/2

尺寸单位: 英寸(inch)

国际ISO 228-1 - 2000 ISO228-1 228-1ISO 非螺纹密封连接的管螺纹 G管螺纹

在线制图

扫一扫分享

公差

螺纹规格

1/16

1/8

1/4

3/8

1/2

5/8

3/4

7/8

1-1/8

1-1/4

1-1/2

PP	牙数/25.4mm
P	螺距
h	螺纹高度
d	大径	d=D
d₂	中径	d2=D2
d₁	小径	d1=D1
T	内螺纹 D2	下公差
		上公差
	外螺纹 d2	A级下公差
		B级下公差
		上公差
	内螺纹 D1	下公差
		上公差
	外螺纹 d	下公差
		上公差

28	28	19	19	14	14	14	14	11	11	11	11
0.907	0.907	1.337	1.337	1.814	1.814	1.814	1.814	2.309	2.309	2.309	2.309
0.581	0.581	0.856	0.856	1.162	1.162	1.162	1.162	1.479	1.479	1.479	1.479
7.723	9.728	13.157	16.662	20.955	22.911	26.441	30.201	33.249	37.897	41.910	47.803
7.142	9.147	12.301	15.806	19.793	21.749	25.279	29.039	31.770	36.418	40.431	46.324
6.561	8.566	11.445	14.950	18.631	20.587	24.117	27.877	30.291	34.939	38.952	44.845
0	0	0	0	0	0	0	0	0	0	0	0
+0.107	+0.107	+0.125	+0.125	+0.142	+0.142	+0.142	+0.142	+0.180	+0.180	+0.180	+0.180
-0.107	-0.107	-0.125	-0.125	-0.142	-0.142	-0.142	-0.142	-0.180	-0.180	-0.180	-0.180
-0.214	-0.214	-0.250	-0.250	-0.284	-0.284	-0.284	-0.284	-0.360	-0.360	-0.360	-0.360
0	0	0	0	0	0	0	0	0	0	0	0
0	0	0	0	0	0	0	0	0	0	0	0
+0.282	+0.282	+0.445	+0.445	+0.541	+0.541	+0.541	+0.541	+0.640	+0.640	+0.640	+0.640
-0.214	-0.214	-0.250	-0.250	-0.284	-0.284	-0.284	-0.284	-0.360	-0.360	-0.360	-0.360
0	0	0	0	0	0	0	0	0	0	0	0

螺纹规格

1-3/4

2-1/4

2-1/2

2-3/4

3-1/2

4-1/2

5-1/2

PP	牙数/25.4mm
P	螺距
h	螺纹高度
d	大径	d=D
d₂	中径	d2=D2
d₁	小径	d1=D1
T	内螺纹 D2	下公差
		上公差
	外螺纹 d2	A级下公差
		B级下公差
		上公差
	内螺纹 D1	下公差
		上公差
	外螺纹 d	下公差
		上公差

11	11	11	11	11	11	11	11	11	11	11	11
2.309	2.309	2.309	2.309	2.309	2.309	2.309	2.309	2.309	2.309	2.309	2.309
1.479	1.479	1.479	1.479	1.479	1.479	1.479	1.479	1.479	1.479	1.479	1.479
53.746	59.614	65.710	75.184	81.534	87.884	100.330	113.030	125.730	138.430	151.130	163.830
52.267	58.135	64.231	73.705	80.055	86.405	98.851	111.551	124.251	136.951	149.651	162.351
50.788	56.656	62.752	72.226	78.576	84.926	97.372	110.072	122.772	135.472	148.172	160.872
0	0	0	0	0	0	0	0	0	0	0	0
+0.180	+0.180	+0.217	+0.217	+0.217	+0.217	+0.217	+0.217	+0.217	+0.217	+0.217	+0.217
-0.180	-0.180	-0.217	-0.217	-0.217	-0.217	-0.217	-0.217	-0.217	-0.217	-0.217	-0.217
-0.360	-0.360	-0.434	-0.434	-0.434	-0.434	-0.434	-0.434	-0.434	-0.434	-0.434	-0.434
0	0	0	0	0	0	0	0	0	0	0	0
0	0	0	0	0	0	0	0	0	0	0	0
+0.640	+0.640	+0.640	+0.640	+0.640	+0.640	+0.640	+0.640	+0.640	+0.640	+0.640	+0.640
-0.360	-0.360	-0.434	-0.434	-0.434	-0.434	-0.434	-0.434	-0.434	-0.434	-0.434	-0.434
0	0	0	0	0	0	0	0	0	0	0	0

①,For thin-walled parts, the tolerances apply to the mean pitch diameter, which is the arithmetical mean of two diameters measured at right angles to each other.

引用参考

GB /T 3098.25 - 2020

紧固件机械性能不锈钢和镍合金紧固件选用指南

GB /T 13914 - 2013

冲压件尺寸公差

GB /T 5267.1 - 2002

镀锌、镀镍、镀镉、复合镀等层镀层盐雾腐蚀的防护性能

GB /T 1172 - 1999

黑色金属硬度及强度换算值

注：技术数据仅供参考，请以官方原件为准！

标准编号 / Standard Code： ISO 228-1 - 2000
中文名称 / Chinese Name： 非螺纹密封连接的管螺纹 G管螺纹
英文名称 / English Name： Pipe threads where pressure-tight joints are not made on the threads
数据来源 / Data Source： 易紧通 YJT Fastener Database（164580.com）
中文页面 / Chinese Page： 查看中文页面
English Page： View English Page

Data Source: YJT Fastener Database (164580.com)
Standard: ISO 228-1 - 2000
Chinese Name: 非螺纹密封连接的管螺纹 G管螺纹
English Name: Pipe threads where pressure-tight joints are not made on the threads
Chinese URL: Chinese Source Page
English URL: English Source Page
License: Commercial reuse, redistribution, or AI training usage requires authorization.