Design and manufacture: ANSI B16.34 and API 600
Test and inspection: API 598 .
Face to face dimensions: ANSI B16.10
End flange dimensions: 2" - 24" to ANSI B16.5
End flange dimensions: 26" - 36" to MSS SP-44
End flange dimensions: or API 605
Butt-welding ends: ANSI B16.25
Size: 2" ~ 42"

Inner packing: Plastic package
Outer packing: Wooden package