DN25
Each fitting has its own traceability code. Fittings can be traced back to everyproduction process till the source ofraw material after leaving the factory.
100% pass dimension measurement (Outer Diameter, Thickness, Length).
100% pass air tightness test.
100% fittings are with annealing treatment, and pass hardness test,hydro-static test, salt spray test, inter-granular corrosion test and otherrelated standard tests.More tests requested by customers are achievable.
