We supply superior quality of flanges, which is available in various shapes, material and pressure rating.
Standard: ASME B16.5, B16.47, B 16.36, B16.48, DIN, JIS etc.
Type: Slip on, lap joint, weld neck, socket weld, threaded, blind
Facing types: Flat face, raised face, tongue, groove, female, male, ring joints face
Material grade:
ASTM a181-60; A105, a350 lf2, lf3; A182 f12, f11, f22, f5, f9; A694 f42, f46, f52, f56, f60, f65, f70
Size: 1/2"through 60"
Technical specification (asme b16.5):
|
Nominal Pipe Size NPS |
Outside Dia. of Flange
O |
Thickness of Flange
t |
Diam. of Hub
X |
Hub Dia. of Chamber WN
A |
Length Through Hub Y |
Thread length
T |
Bore B |
Depth of Socket
D |
|
Threaded Slip on Socket Welding |
Lapped |
Weld Neck |
Slip on Socket Welding |
Lapped |
Weld Neck Socket Welding |
|
1/2' ' |
89 |
11.2 |
30.2 |
21.2 |
15.7 |
15.7 |
47.8 |
15.7 |
22.4 |
22.9 |
15.7 |
9.7 |
|
3/4' ' |
99 |
12.7 |
38.1 |
26.8 |
15.7 |
15.7 |
52.3 |
15.7 |
27.7 |
28.2 |
20.8 |
11.2 |
|
1' ' |
108 |
14.2 |
49.3 |
33.5 |
17.5 |
17.5 |
55.6 |
17.5 |
34.5 |
35.1 |
26.7 |
12.7 |
|
1 ¼ ' ' |
117 |
15.7 |
58.7 |
42.1 |
20.6 |
20.6 |
57.2 |
20.6 |
43.2 |
43.7 |
35.1 |
14.2 |
|
1 ½ ' ' |
127 |
17.5 |
65.0 |
48.3 |
22.4 |
22.4 |
62.0 |
22.4 |
49.5 |
50.0 |
40.9 |
15.7 |
|
2' ' |
152 |
19.1 |
77.7 |
60.4 |
25.4 |
25.4 |
63.5 |
25.4 |
62.0 |
62.5 |
52.6 |
17.5 |
|
2 ½ ' ' |
178 |
22.4 |
90.4 |
73.2 |
28.4 |
28.4 |
69.9 |
28.4 |
74.7 |
75.4 |
62.7 |
19.1 |
|
3' ' |
191 |
23.9 |
108.0 |
90.0 |
30.2 |
30.2 |
69.9 |
30.2 |
90.7 |
91.4 |
78.0 |
20.6 |
|
3 ½ ' ' |
216 |
23.9 |
122.2 |
101.4 |
31.8 |
31.8 |
71.4 |
31.8 |
103.4 |
104.1 |
90.2 |
-- |
|
4' ' |
229 |
23.9 |
134.9 |
114.3 |
33.3 |
33.3 |
76.2 |
33.7 |
116.8 |
116.8 |
102.4 |
-- |
|
5' ' |
254 |
23.9 |
163.6 |
141.3 |
36.6 |
36.6 |
88.9 |
36.6 |
143.8 |
144.5 |
128.3 |
-- |
|
6' ' |
279 |
25.4 |
192.2 |
168.3 |
39.6 |
39.6 |
88.9 |
39.6 |
170.7 |
171.5 |
154.2 |
-- |
|
8' ' |
343 |
28.4 |
246.1 |
219.2 |
44.5 |
44.5 |
101.6 |
44.5 |
221.5 |
222.3 |
202.7 |
-- |
|
10' ' |
406 |
30.2 |
304.8 |
273.0 |
49.3 |
49.3 |
101.6 |
49.3 |
276.4 |
277.4 |
254.5 |
-- |
|
12' ' |
483 |
31.8 |
365.3 |
323.8 |
55.6 |
55.6 |
114.3 |
55.6 |
327.2 |
328.2 |
304.8 |
-- |
|
14' ' |
533 |
35.1 |
400.1 |
355.6 |
57.2 |
79.2 |
127.0 |
57.2 |
359.2 |
360.2 |
|
-- |
|
16' ' |
597 |
36.6 |
457.2 |
406.4 |
63.5 |
87.4 |
127.0 |
63.5 |
410.5 |
411.2 |
To be specified by purchaser |
-- |
|
18' ' |
635 |
40.1 |
505.0 |
457.0 |
68.3 |
96.8 |
139.7 |
68.3 |
461.8 |
462.3 |
-- |
|
20' ' |
699 |
42.9 |
558.8 |
508.0 |
73.2 |
103.1 |
144.5 |
73.2 |
513.1 |
514.4 |
-- |
|
24' ' |
813 |
47.8 |
663.4 |
610.0 |
82.6 |
111.3 |
152.4 |
82.6 |
616.0 |
616.0 |
-- |
Tianjin Rong Kun Pipe Fittings Co., Ltd. is one international trade company with registered capital of 5 million RMB located in Dongli District, Tianjin City, China and established in Sep 2010. Our company is only 10 kilometers away from Tianjin airport and 50 kilometers away from Tianjin Sea Port, enjoying convenient transportation access.
Our company exports all kinds of pipe fittings with materials like steel high-pressure, medium-pressure, low-pressure, carbon pressure, alloy pressure and austenite stainless steel. They are Elbows, Flanges, Tees, Reducers, Caps, Bends, Forged screwed pipe, Spiral pipe series and so on.
We have our own factory named as Hebei Huisheng Pipeline Equipment Co., Ltd with registered capital of 12 millions RMB and located in the hometown of China pipe fittings-Meng Village of Hebei Province. This factory is established in Jun, 2009 and for many years our products are widely used for professional construction and overhaul need in petroleum, chemical industry, medicine, electric power, astronautics, war industry, fire prevention, metallurgy, shipbuilding, fuel gas, nuclear electricity, urban construction, hot-water heat and environmental protection and so on.
Our factory covers an area of 27, 000 square meters, we have about 100 employees, including 20 technical professionals. Annual sales are over 50 millions RMB. Our main customer in China is such as China Chemical Construction Co., Ltd, 6 bureau of China Construction, Guiyang province Electrical Construction Co., Ltd ect. With perfect physics and chemistry laboratory to meet clients' requirements on chemical composition and mechanical property test, and all products are in accordance with ISO9001 quality system.
With strong technical strength and professional/high qualified staff, our company makes full use of advanced production equipment and testing equipment to make the products by our customers' requirements in the most cost-effective way.
We welcome your visit to our factory and your enquiry, and we will try our best to meet your different requirements with our qualified products, favorable price and considerate services. If you are interested in any of our products, please feel free to contact us for more information.
