The Inside diameter of Weld Neck Flange Bore2020/12/31 18:46:36
The size of the welding neck flange hole is processed according to the diameter of the pipe, valve or pipe fitting. Therefore, it is important to specify the wall thickness when sending an inquiry. Generally, Eathu’s customers require STD for low pressure pipe wall thickness, SCH80 for medium pressure and SCH160 for high pressure. For Special Requirement for weld neck flange bore please contact Eathu.