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[技術]

非螺紋密封連接的管螺紋 G管螺紋 ISO 228-1 - 2000

選擇規格尺寸點擊↓

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尺寸單位: 英寸(inch)

國際ISO 228-1 - 2000 ISO228-1 228-1ISO 非螺紋密封連接的管螺紋 G管螺紋

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公差

螺紋規格

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	牙數/25.4mm
P	螺距
h	螺紋高度
d	大徑	d=D
d₂	中徑	d2=D2
d₁	小徑	d1=D1
T	內螺紋 D2	下公差
		上公差
	外螺紋 d2	A級下公差
		B級下公差
		上公差
	內螺紋 D1	下公差
		上公差
	外螺紋 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

螺紋規格

1-3/4

2-1/4

2-1/2

2-3/4

3-1/2

4-1/2

5-1/2

PP	牙數/25.4mm
P	螺距
h	螺紋高度
d	大徑	d=D
d₂	中徑	d2=D2
d₁	小徑	d1=D1
T	內螺紋 D2	下公差
		上公差
	外螺紋 d2	A級下公差
		B級下公差
		上公差
	內螺紋 D1	下公差
		上公差
	外螺紋 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.

引用參考

GB /T 1172 - 1999

黑色金屬硬度及強度換算值

GB /T 5267.1 - 2002

鍍鋅、鍍鎳、鍍鎘、復合鍍等層鍍層鹽霧腐蝕的防護性能

GB /T 193 - 2003

普通螺紋（一般用途米制螺紋）- 直徑與螺距系列 (ISO 261: 1998, MOD)

注：技術數據僅供參考，請以官方原件為準！

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非螺紋密封連接的管螺紋 G管螺紋 ISO 228-1 - 2000

引用參考