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ASME B16.47 Series A Flange

Specification

Standard ASME B16.47 Series A Flange
Material Available Stainless Steel, Carbon Steel, Alloy Steel, Duplex Steel, Super Duplex Steel, Nickel Alloy, Monel, Inconel, Hastelloy, Copper Nickel, Titanium, Mild Steel, etc.
Custom design As per your drawing
Size range 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
Pressure Rating Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
Types Threaded,  Plate,  Screwed, Forged.
Supporting material Gasket, Ring Joint, Flange Bolts
Production technique Forged, machined and Heat treated
Pressure Class PN 6 TO PN 100
Coating/Surface Treatment:  Zinc Plated, Anti-rust Paint,  Oil Black Paint, Yellow Transparent, Cold and Hot Dip Galvanized.
Origin Indian / USA / Korean / West Europe / Japan 
European/African/Russian Standard Flanges Available
Test Direct-reading Spectrograph,  X-ray detector,  UItrasonic flaw detector,  Magnetic particle detector,  Hydrostatic testing machine, etc.
Gaskets Types Full Face, Metallic Ring, Flat Ring  Gasket
Marking Standard Name of Manufacturer
Schedule
Type of Flange Facing
Pressure Class
Nominal Pipe Size, etc
Test Certificates
 EN 10204/3.1B, NACE MR0103, NACE MR0175
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc

Flange Type Available

Slip on

Weldo

Weld Neck

Tongue Groove

Spectacle Blind

Spade

Threaded Screwed

Square

Ring Type Joint

Ring Spacer

SocketWeld

Reducing

Raised Face

Puddle

Plate

Orifice

Nippo

Male Female

Long Weld Neck

Lap Joint

ANSI B16.47 Series A Flange Dimensions/Weight chart

Thickness
Drilling
Weight
Nom Size
OD
Weld Neck
Blind
OD of RF
Dia at Base
LTH
Dia Bevel
Bolt Circle
Bolt Length
HoleDia
#  of Holes
Weld Neck
Blind
O
C
C
R
X
Y
A
(1)
(2)
26
34.25
2.63
2.63
29.5
26.62
4.69
26
31.75
8.75
1.38
24
300
702
28
36.5
2.75
2.75
31.5
28.62
4.88
28
34
9
1.38
28
345
833
30
38.75
2.88
2.88
33.75
30.75
5.32
30
36
9.25
1.38
28
400
982
32
41.75
3.13
3.13
36
32.75
5.63
32
38.5
10.5
1.62
28
505
1237
34
43.75
3.19
3.19
38
34.75
5.82
34
40.5
10.5
1.62
32
540
1384
36
46
3.5
3.5
40.25
36.75
6.13
36
42.75
11
1.62
32
640
1676
38
48.75
3.38
3.38
42.25
39
6.13
38
45.25
11
1.62
32
720
1819
40
50.75
3.5
3.5
44.25
41
6.38
40
47.25
11
1.62
36
775
2040
42
53
3.75
3.75
47
43
6.69
42
49.5
11.5
1.62
36
890
2381
44
55.25
3.94
3.94
49
45
6.94
44
51.75
12
1.62
40
990
2717
46
57.25
4
4
51
47.12
7.25
46
53.75
12
1.62
40
1060
2961
48
59.5
4.19
4.19
53.5
49.12
7.5
48
56
12.5
1.62
44
1185
3348
50
61.75
4.32
4.32
55.5
51.25
7.94
50
58.25
13.25
1.88
44
1270
3716
52
64
4.5
4.5
57.5
53.25
8.19
52
60.5
13.75
1.88
44
1410
4156
54
66.25
4.69
4.69
59.5
55.25
8.44
54
62.75
14
1.88
44
1585
4639
56
68.75
4.82
4.82
62
57.38
8.94
56
65
14.25
1.88
48
1760
5132
58
71
5
5
64
59.38
9.19
58
67.25
14.75
1.88
48
1915
5675
60
73
5.13
5.13
66
61.38
9.38
60
69.25
15
1.88
52
2045
6154

Application

  • Food & Beverage
  • Paper Industry
  • Pharmaceutical
  • Hospital Equipment
  • Textiles
  • Dairy
  • Aircraft
  • Chemicals
  • Others Parts in Machinery

Testing

  • Hydrostatic Test
  • Macro Test
  • Ultra Sonic Test (UT)
  • Micro Test
  • Hardness Test
  • Radiography Test
  • Pitting Resistance Test
  • PMI Testing
  • Mechanical Testing
  • X-ray detector

Packing

  • Wooden Boxes
  • Shrink-Wrapped
  • Carton Boxes
  • Wooden Crates
  • Wooden Pallets

Stainless Steel Flanges

Materials

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