Lap Joint Flanges, also known as Loose Joints are used with an interrelated stub – end that inserts in the inside of the flange. The main benefit of this type of flange is that once the pipe welds to insert to the tube end, the flange then can rotate for easier alignment of bolting roles.

Size:
1/2”-48”(15NB-1200NB)

Standards:

ANSI B16.5, ANSI B 16.47 SERIES a&b, MSS SP44, ASA, API-605, AWWA

Pressure Ratings:

class150,class300,class400,class600,class900,class1500,class2500 PN6,PN10,PN25,PN40,PN64 ect.

Materials:
Carbon Steel Lap Joint Flanges: 

ASTM SA/A105(N),C22.8,ST37.2

A516 GR60/70

ASTM SA350 LF2

ASTM SA694 F42/46/52/56/60/65

Stainless Steel Lap Joint Flanges:

 ASTM A182 F304/304L/316/316L
Duplex Stainless Steel: ASTM A182 F51/F53/F55/F60
Alloy Steel Lap Joint Flanges:

ASTM A182 F1/F5/F9/F11/F22/F91

Surface Treatment:
Yellow/Black Coating, Anti-Rust Oil

Tianjin Decho is one of the leading lap joint flanges manufacturer and supplier, if you want to wholesale best lap joint flanges from professional factory and learn more about lap-joint flange dimension and size,please feel free to contact us.

Decho is one of the leading China Flange manufacturers and suppliers, if you want to buy or import best high-quality lap joint flanges professional company, factory, seller, and exporter, or if you are checking steel brands, please feel free to contact us.