Inspection
Blanking →Hammer with the model→ Semi finish product→Precision finishing→Assembly →
Pressure test →Washing and drying→Print the band→ Packaging→ Finished goods

Performance:
 Nominal Diameter:
:DN45-DN600
Nominal Pressure PN (MPa):
  1.0, 1.6, 2.0, 2.5
Testing pressure (water) Ps (MPa)
      Body seat: 1.5 times rated pressure
      Seat test:  1.1 times rated pressure