Ring Joint Face Flanges
We manufacture RTJ Flanges in all kinds:
Available Sizes:
3/8＂~ 60”＂,DN10~DN1500
Standards:
ASTM B16.5，ASTM B16.47, API605, MSS SP 44, EN1092-1，EN1759-1, BS1560-3.1，BS4504-3.1, ISO7005-1, JIS B2220
Raw Materials:
Carbon steel:A105
Alloy steel:A182F 1-F 2-F 5-F 9-F 10-F 91-F 92-F 122-F 911-F 11-F 12-F 21-F 22
Stainless steel:A182 304-304H-304L-304N-304LN 316-316H-316L-316LN 321-321H 347-347H
Low-temperature steel:A522 A707 Grade L 1-L 2-L 3-L 4-L 5-L 6-L 7-L 8
High-performance steel:A694 F 42-F 46-F 48-F 50-F 52-F 56-F 60-F 65-F 70F
Pressure Grade:
American
System:CLASS150,CLASS300,CLASS400,CLASS600,CLASS900,CLASS1500.
European System:PN2.5,PN6,PN10,PN16,PN25,PN40,PN63,PN100.
Flange Facing:
Flat face(FF),Raised face(RF),Tongue face(T),Groove face(G),Female face(F),Male face(M),Ring joints face(RJ).
Producing Process:
Cutting of Raw Material-Die Forging-Machining
For further detail, please feel free to contact us via email.
