SO flange size is from DN 10 to DN2000

　　Slip on flange(SO) is mainly used in the condition of low pressure fluid pipe system, and no big pressure range. Because it is easy align at each other and low prices. So it is widely used. The SO flange size is from DN 10 to DN2000. OD is from 75mm to 2190 mm. And  the bolt holes No. from 4 to 48. The standard there have ASME B16.5, HG20593, GB/T9119-2010, JB/T81-94, CB M1001-81 etc. The surface have two types: FF and RF. The commonly use material is carbon steel A105, and stainless steel 304 &316. Working pressure is from 0.25Mpa to 4.0 Mpa.

　　Hebei Shengtian Pipe Fitting Group Co.,Ltd is a carbon steel pipe fittings factory that mainly produce pipe and pipe fittings. Your inquiry will be highly noted. We will do our best to service for you.