Valve mounting bolts
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Dear experts: I would like to ask how, knowing the valve’s DN and LB values, one can determine the appropriate specifications for the bolts? I would appreciate your advice! Thank you.
You can refer to HG/T20592 or HG/T20615
There are requirements regarding material strength; I’m not sure about anything else
You can refer to HG/T20592 or HG/T20615. Another option is to contact the manufacturers that produce bolts directly; provide them with the pressure rating, and they will supply you with the appropriate bolts. They can also tell you the dimensions and specifications, as well as the price. If you’re satisfied, you can ask Wenzhou Biaowu Parts Factory, who are our cooperating manufacturers.
Go to the manufacturer that sells bolts. Just give the pressure directly and report the diameter. They will calculate it for you~ you don’t need to look it up yourself. If you want to check. One needs to find the corresponding flange standard