Specifications of lap joint flange/loose flange:
ANSI/ASME standard:
- ANSI/ASME B16.5 class 150 lap joint flange dimensions: ½”-24″
- ANSI/ASME B16.5 class 300 lap joint flange dimensions: ½”-24″
- ANSI/ASME B16.5 class 400 lap joint flange dimensions: ½”-24″
- ANSI/ASME B16.5 class 600 lap joint flange dimensions: ½”-24″
- ANSI/ASME B16.5 class 900 lap joint flange dimensions: ½”-24″
- ANSI/ASME B16.5 class 1500 lap joint flange dimensions: ½”-24″
- ANSI/ASME B16.5 class 2500 lap joint flange dimensions: ½”-12″
EN standard:
- EN 1092-1 PN6 loose plate flange dimensions: DN10-DN1200
- EN 1092-1 PN10 loose plate flange dimensions: DN10-DN1200
- EN 1092-1 PN16 loose plate flange dimensions: DN10-DN1000
- EN 1092-1 PN25 loose plate flange dimensions: DN10-DN800
- EN 1092-1 PN40 loose plate flange dimensions: DN10-DN600
JIS standard:
- JIS B2220 5K lap joint flange without hub dimensions: 15A-400A
- JIS B2220 5K lap joint flange with hub dimensions: 450A-600A
- JIS B2220 10K lap joint flange without hub dimensions: 15A-200A
- JIS B2220 10K lap joint flange with hub dimensions: 250A-600A
- JIS B2220 16K lap joint flange with hub dimensions: 15A-600A
- JIS B2220 20K lap joint flange with hub dimensions: 15A-600A
Materials of lap joint/loose flange:
Haihao Group manufacture lap joint flanges with various materials,such as carbon steel,stainless steel and alloy steel.
Carbon steel lap joint flange:
- ASTM A105 lap joint flange
- ASTM A350 LF2 lap joint flange
- SS400 lap joint flange
- P235GH lap joint flange
- P250GH lap joint flange
- C22.8 lap joint flange
- Q235 lap joint flange
Stainless steel lap joint flange:
- ASTM A182 F304 lap joint flange
- ASTM A182 F304L lap joint flange
- ASTM A182 F316 lap joint flange
- ASTM A182 F316L lap joint flange
- ASTM A182 F321 lap joint flange
- ASTM A182 F347 lap joint flange
Alloy steel lap joint flange:
- ASTM A694 F42 lap joint flange
- ASTM A694 F46 lap joint flange
- ASTM A694 F52 lap joint flange
- ASTM A694 F56 lap joint flange
- ASTM A694 F60 lap joint flange
- ASTM A694 F65 lap joint flange
- ASTM A694 F70 lap joint flange
- ASTM A182 F5 lap joint flange
- ASTM A182 F9 lap joint flange
- ASTM A182 F11 lap joint flange
- ASTM A182 F12 lap joint flange
- ASTM A182 F22 lap joint flange
- ASTM A182 F91 lap joint flange
Sealing face of lap joint flange:
The lap joint flange(loose flange) only have a flat face,the stub end face is the sealing face in the two lap joint flanges connections,so the stub end should have a same dimensions with the raised face standard.