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非螺纹密封连接的管螺纹 G管螺纹 ISO 228-1 - 2000

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ISO 228-1 - 2000 非螺纹密封连接的管螺纹 G管螺纹

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

ISO 228-1 - 2000 非螺纹密封连接的管螺纹 G管螺纹

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公差

螺纹规格

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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

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3

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6

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 1172 - 1999

黑色金属硬度及强度换算值

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 193 - 2003

普通螺纹（一般用途米制螺纹）- 直径与螺距系列 (ISO 261: 1998, MOD)

注：技术数据仅供参考，请以官方原件为准！

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