Shanghai Aluso strictly carrys out rigorous quality control and products inspection to ensure continual quality flanges and pipe fittings. As one of the leading manufacturers in China piping products filed,Haihao always abide by the principle of “Quality First”.
We manufacture the pipe fittings and flange products according to standards ANSI/ASME,BS 4504,DIN,EN 1092,JIS B2220,GOST and so on.The JIS B2220 flange products in our company contain: weld neck flange,slip on flange,blind flange,threaded flange,lap joint flange,socket weld flange,integral flange.The products are widely used in industry field,like oil,gas & petrochemical,energy & power plant,chemical industrial,shipbuilding & offshore development.
The JIS B2220 10K threaded flange dimensions as follows:
We manufacture the JIS B2220 10K threaded flange(TR Flange) in the nominal size 10A-150A. The products raw materials in our company are all supplied by Bao steel group and Shougang steel group which belong to Chinese government.
Outside diameter of flange: D Diameter of bolt hole centre circle: C Diameter of bolt hole: h
Thickness of Flange: t Diameter of hub Small diameter side: a Diameter of hub Large diameter side: b
Totle length of flange: T Radius of fillet: r
| TR Flange Nominal Size | Number of bolt | Nominal designation of thread of bolt | Nominal designation of thread | ||||||||
| A | D | C | h | t | a | b | T | r | |||
| 10 15 20 | 90 95 100 | 65 70 75 | 15 15 15 | 4 4 4 | M12 M12 M12 | Rc 3/8 Rc 1/2 Rc 3/4 | 12 12 14 | 23 27 33 | 26 30 36 | 16 16 20 | 4 4 4 |
| 25 32 40 | 125 135 140 | 90 100 105 | 19 19 19 | 4 4 4 | M16 M16 M16 | Rc 1 Rc 1 1/4 Rc 1 1/2 | 14 16 16 | 41 50 56 | 44 53 60 | 20 22 24 | 4 4 4 |
| 50 65 80 | 155 175 185 | 120 140 150 | 19 19 19 | 4 4 8 | M16 M16 M16 | Rc 2 Rc 2 1/2 Rc 3 | 16 18 18 | 69 86 99 | 73 91 105 | 24 27 30 | 4 4 4 |
| 90 100 125 150 | 195 210 250 280 | 160 175 210 240 | 19 19 23 23 | 8 8 8 8 | M16 M16 M20 M20 | – Rc 4 Rc 5 Rc 6 | 18 18 20 22 | – 127 154 182 | – 130 161 189 | – 36 40 40 | – 4 4 4 |
For any flanges needs you may have,please browse through our products list,then feel free to contact us.We always reply within 24 hours.We sincerely welcome customers domestic and abroad to visit us for cooperation.