Flange matching bolts
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Which senior colleague has a specification sheet for flange matching bolts? I can’t find out what size bolts are required for a 25-kilogram DN700 flange; please advise! :handshake
HG/T 20592 Page 35 24-M39
Jiangsu Suluo mainly produces and sells screws, bolts, studs, nuts, standard fasteners, as well as custom-made fasteners made from various materials such as austenitic stainless steels like 2205, 2507, 2520, C276, 904L, 1.4529, GH2132, 1.4460, 1.4462, SUS304, SUS316L, SUS431, SUS630, SUS631, SUS660, 17-4PH; martensitic stainless steels such as C1-50, C1-70, C1-110, C2-70, C3-80, C3-120, C4-70; and other types including A2-50, A2-70, A2-80, A4-50, A4-70, A4-80, A4-90, A5-80. These include both standard and custom-fastening products.
First, determine whether the flange of DN700 is a plant flange or a pipe flange, and then refer to the NB/T47020 standard for plant flanges or the HG/T20592 standard for pipe flanges