JIS B2220 5K Threaded Flanges,JIS 5K TR Flanges-Hebei Haihao Group
Hebei Haihao Group as one of the earliest flange manufacturer,has strong experience in flange production and quality inspection and a complete set of equipments,including advanced cutting,forging,machining,drilling machines and professional testing & inspection instruments.
JIS B2220 5K Threaded Flange(TR Flange) Dimensions as follows:
We manufacture the JIS B2220 5K threaded flange in the nominal size 10A-150A,the materials for the flange products in our factory are all supplied by Bao steel group and Shougang steel group which belong to Chinese government.

JIS B2220 5K Threaded Flange In Haihao Group
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 Rad-ius of fillet: r
TR Flange Nominal Size |
Number of bolt | Nominal desig-nation of thread of bolt |
Nominal designation of thread | ||||||||
A | D | C | h | t | a | b | T | r | |||
10 15 20 |
75 80 85 |
55 60 65 |
12 12 12 |
4 4 4 |
M10 M10 M10 |
Rc 3/8 Rc 1/2 Rc 3/4 |
9 9 10 |
23 27 33 |
26 30 36 |
13 13 15 |
4 4 4 |
25 32 40 |
95 115 120 |
75 90 95 |
12 15 15 |
4 4 4 |
M10 M12 M12 |
Rc 1 Rc 1 1/4 Rc 1 1/2 |
10 12 12 |
41 50 56 |
44 53 60 |
17 19 20 |
4 4 4 |
50 65 80 |
130 155 180 |
105 130 145 |
15 15 19 |
4 4 4 |
M12 M12 M16 |
Rc 2 Rc 2 1/2 Rc 3 |
14 14 14 |
69 86 99 |
73 91 105 |
24 27 30 |
4 4 4 |
90 100 125 150 |
190 200 235 265 |
155 165 200 230 |
19 19 19 19 |
4 8 8 8 |
M16 M16 M16 M16 |
– Rc 4 Rc 5 Rc 6 |
14 16 16 18 |
– 127 154 182 |
– 130 161 189 |
– 36 40 40 |
– 4 4 4 |
Besides the JIS B2220 standard flanges,we also can manufacture the flanges products in other standards,such as ANSI/ASME,BS 4504,DIN,GOST,SABS and so on.Our flange and pipe fittings products are widely used in industry field,like Oil & Gas development,Power plant,Chemical industrial,Shipbuilding & Offshore,Steel constructions,Water treatment etc.