specification        
quick detail            
asme / ansi b16.5 blind flanges, asme / ansi b16.47 blind flanges, blind flanges, din flanges
blind flanges
manufacturer , exporter & supplier of asme b16.5 blind flanges, asme b16.47 blind flanges, din flanges, jis flanges, bs flanges
asme / ansi b16.5 blind flanges, asm / ansi b16.47 blind flanges, blind flanges at best price with high quality
blind flanges
tobo-group is a dynamic group, which was established over three decade ago to cater to growing demands of blind flanges standards in asme / ansi b16.5flanges,asme/ansi b16.47 etc in all materials like stainless steel , carbon steel & high nickel alloys. we manufacture, export and supply flanges which meets with national and international quality standards and producing base which owns equipments conforming to international technicallevel and is well equipped with a whole set of advanced butt welding pipe fitting.
we export our high quality blind flanges to kuwait, egypt and qatar.
blind flanges specifications
dimensions of blind flanges
materials of blind flanges
specifications of blind flanges
range: ½” (15 nb) to 48” (1200nb)
pressure ratings: 150 lbs, 300 lbs, 600 lbs, 900 lbs, 1500 lbs, 2500 lbs asa 150, asa 300, pn 6,10,16,25, 40,64,100,160 etc. available with nace mr 01-75
dimensions of blind flanges
ansi/asme/asa b16.5 150lb/sq.in. flange blind-rf
ø
d
b
g
k
holes
l
kg.
1/2
88,9
11,1
34,9
60,3
4
15,9
0,400
3/4
98,4
12,7
42,9
69,8
4
15,9
0,700
1
107,9
14,3
50,8
79,4
4
15,9
0,900
1 1/4
117,5
15,9
63,5
88,9
4
15,9
1,300
1 1/2
127,0
17,5
73,0
98,4
4
15,9
1,600
2
152,4
19,0
92,1
120,6
4
19,0
2,600
2 1/2
177,8
22,2
104,8
139,4
4
19,0
4,100
3
190,5
23,8
127,0
152,4
4
19,0
5,000
3 1/2
215,9
23,8
139,7
177,8
8
19,0
6,400
4
228,6
23,8
157,2
190,5
8
19,0
7,100
5
254,0
23,8
185,7
215,9
8
22,2
9,000
6
279,4
25,4
215,9
241,3
8
22,2
11,800
8
342,9
28,6
269,9
298,4
8
22,2
21,000
10
406,4
30,2
323,4
361,9
12
25,4
30,000
12
482,6
31,7
381,0
431,8
12
25,4
45,000
14
533,4
34,9
412,7
476,2
12
28,6
59,000
16
596,9
36,5
469,9
539,9
16
28,6
79,000
18
635,0
39,7
533,4
577,8
16
31,7
97,000
20
698,5
42,9
584,2
635,0
20
31,7
124,000
22
749,3
46,0
641,2
692,1
20
34,9
151,000
24
812,8
47,6
692,1
749,3
20
34,9
188,000
ansi/asme/asa b16.5 300lb/sq.in. flange blind-rf
ø
d
b
g
k
holes
l
kg.
1/2
95,2
14,3
34,9
66,7
4
15,9
0,700
3/4
117,5
15,9
42,9
82,5
4
19,0
1,200
1
123,8
17,5
50,8
88,9
4
19,0
1,500
1 1/4
133,3
19,0
63,5
98,4
4
19,0
2,000
1 1/2
155,6
20,6
73,0
114,3
4
22,2
2,900
2
165,1
22,2
92,1
127,0
8
19,0
3,400
2 1/2
190,5
25,4
104,8
149,2
8
22,2
5,100
3
209,5
28,6
127,0
168,3
8
22,2
7,000
3 1/2
228,6
30,2
139,7
184,1
8
22,2
8,900
4
254,0
31,7
157,2
200,0
8
22,2
11,800
5
279,4
34,9
185,7
234,9
8
22,2
15,500
6
317,5
36,5
215,9
269,9
12
22,2
21,300
8
381,0
41,3
269,9
330,2
12
25,4
35,200
10
444,5
47,6
323,8
387,3
16
28,6
57,000
12
520,7
50,8
381,0
450,8
16
31,7
82,000
14
584,2
54,0
412,7
514,3
20
31,7
106,000
16
647,7
57,1
469,9
571,5
20
34,9
140,000
18
711,2
60,3
533,4
628,6
24
34,9
178,000
20
774,7
63,5
584,2
685,8
24
34,9
223,000
22
838,2
66,7
641,2
742,9
24
41,3
270,000
24
914,4
69,8
692,1
812,8
24
41,3
345,000
ansi/asme/asa b16.5 600lb/sq.in. flange blind-rf
ø
d
b
g
k
holes
l
kg.
1/2
95,2
14,3
34,9
66,7
4
15,9
0,700
3/4
117,5
15,9
42,9
82,5
4
19,0
1,200
1
123,8
17,5
50,8
88,9
4
19,0
1,500
1 1/4
133,3
20,6
63,5
98,4
4
19,0
2,000
1 1/2
155,6
22,2
73,0
114,3
4
22,2
3,200
2
165,1
25,4
92,1
127,0
8
19,0
4,300
2 1/2
190,5
28,6
104,8
149,2
8
22,2
6,000
3
209,5
31,7
127,0
168,3
8
22,2
8,000
3 1/2
228,6
34,9
139,7
184,1
8
25,4
10,500
4
273,0
38,1
157,2
215,9
8
25,4
18,000
5
330,2
44,4
185,7
266,7
8
28,6
28,500
6
355,6
47,6
215,9
292,1
12
28,6
35,500
8
419,1
55,6
269,9
349,2
12
31,7
58,000
10
508,0
63,5
323,8
431,8
16
34,9
98,000
12
558,8
66,7
381,0
488,9
20
34,9
125,000
14
603,2
69,8
412,7
527,0
20
38,1
151,000
16
685,8
76,2
469,9
603,2
20
41,3
215,000
18
742,9
82,5
533,4
654,0
20
44,4
287,000
20
812,8
88,9
584,2
723,9
24
44,4
366,000
22
869,9
95,2
641,2
777,9
24
47,6
437,000
24
939,8
101,6
692,1
838,2
24
50,8
532,000
notes
1. dimensions are in millimeters unless otherwise indicated.
2. the length of the stud bolt does not include the height of the chamfers (points).
company capability
company profile              
business type: manufacturer/ agent/importer/ exporter/ trading company/ seller
main market: north america/ south america/ western europe/ eastern europe/ middle east
: 200~300 people
annual sales: us$ 100000 - us$ 100000000
year established: 1998
export p.c: 80% - 90%
tobo group sales head offce in shanghai. 
     we are one of the professional manufacturers exporter  pipeline products  in china .our company was established in 1998, the plant covers 550, 000 square meters and a construction area of 6,8,000square meters, existing 260 workers and 45 technicians. 
      we have five branch factories which can supply the best quality pipes, tubes, fittings flanges and related accessories. now, it owns a number of advanced pipe production equipments, metal, forging, machining, cold forming, hot extrusion, such as heat treatment process, producing 60, 000 tons of pipe fittings. company with a variety of detection devices, such as nondestructive testing, chemical analysis, metallographic examination, physical experiments. the technical is very strength, our main products contain fittingsforged socket welding fittings and threaded fittings, pipe weld and the materials of the products contain stainless steel ,duplex-stainless steel alloy steel.
in addition, we are authorized by more than 120top-class mill from south korea,japan and china likejfe,sumitomo,posco,baosteel,tisco,lisco,tpco,hengyangvalin and so on .
service
q: are you trading company or manufacturer ?
a: we are manufacturer ,you can see the alibaba certification.
q: how long is your delivery time?
a: generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
q: do you provide samples ? is it free or extra ?
a: yes, we could offer the sample for free charge but need pay the cost of freight.
q: what is your terms of payment ?
a: payment=1000usd, 50% t/t in advance ,balance before shippment.
if you have another question, pls feel free to contact us as below:
att:summer
tel: 0086 21 31261985
why choosing metal industrial:
-sufficient forging, heating, machining equipment
-in-house inspection instruments for quality controlling
-competitive price & high quality assurance
-fast, effective and efficient services
-directly supplier of danieli metallurgical equipment
-experienced professinonals on communications

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