Production process
Induction bending Process Chart
注：
1.The batch production shall be started only after the technical evaluation of qualification fitting is accepted prior to formal production.
2.The Pipes which are matched through butt-welding shall not be used for producing hot induction bends.
3.The sampling position at welding seam shall be manually UT qualified before sampling of the bends for physical and chemical tests.
Technical flow chart of pipe fittings
Manufacturing process of Flanges
Manufacturing process of Pipe manifolds
Description: nondestructive testing, including UT, MT, RT and hardness testing, wall thickness measurement, etc.