上海吉都国际贸易有限公司

当前位置:首页>技术服务 > 技术资料 > 国际螺纹标准 > Dairy Thread

Dairy coupling DIN 11851

A pipe coupling for foods and chemistry according to DIN 11851, colloquially also called "Dairy Thread". It consists of a special clutch thread, the metric round thread according to DIN 405, which has coarse, rounded thread edges and is thus easy to clean. These pipe couplings are commonly used in the food industry.
The flank angle is 30°

Nominal	Thread Size	Nominal	Bolt Thread	Nut Thread	Pitch	TPI
Diameter		Diameter	Minor Diameter	Minor Diameter	mm
		mm	mm	mm
DN 10	Rd 28 x 1/8"	28.318	24.825	25.142	3.175	8
DN 15	Rd 34 x 1/8"	34.318	30.825	31.142	3.175	8
DN 20	Rd 44 x 1/6"	44.423	39.767	40.190	4.233	6
DN 25	Rd 52 x 1/6"	52.423	47.767	48.100	4.233	6
DN 32	Rd 58 x 1/6"	58.423	53.767	54.190	4.233	6
DN 40	Rd 65 x 1/6"	65.423	60.767	61.190	4.233	6
DN 50	Rd 78 x 1/6"	78.423	73.767	74.190	4.233	6
DN 65	Rd 95 x 1/6"	95.423	90.767	91.190	4.233	6
DN 80	Rd 110 x 1/4"	110.635	103.650	104.285	6.350	4
DN 90	Rd 120 x 1/4"	120.635	113.650	114.285	6.350	4
DN 100	Rd 130 x 1/4"	130.635	123.650	124.285	6.350	4
DN 125	Rd 160 x 1/4"	160.635	153.650	154.285	6.350	4
DN 150	Rd 190 x 1/4"	190.635	183.650	184.285	6.350	4