Fully Integrated Forged Flanges Supplier in Mumbai in Different Sizes As Per ASME B16.5
Flanges Dimensions
| Standard |
Class |
Bolt Circle Diameter |
Diameter |
Number of Bolts |
Diameter of Bolt Hole |
Bolt Size |
| AS 2129 |
Table F |
67 |
95 |
4 |
14 |
M12 |
| Table D |
67 |
95 |
4 |
14 |
M12 |
| Table C |
67 |
95 |
4 |
14 |
M12 |
| Table E |
67 |
95 |
4 |
14 |
M12 |
| Table J |
83 |
114 |
4 |
17 |
M16 |
| Table H |
83 |
114 |
4 |
17 |
M16 |
| AS 4087 |
PN14 |
67 |
95 |
4 |
14 |
M12 |
| ISO 7005 (DIN) |
PN20 |
60.5 |
90 |
4 |
16 |
M14 |
| PN10 |
65 |
95 |
4 |
14 |
M12 |
| PN6 |
55 |
80 |
4 |
11 |
M10 |
| PN16 |
65 |
95 |
4 |
14 |
M12 |
| PN40 |
65 |
95 |
4 |
14 |
M12 |
| PN25 |
65 |
95 |
4 |
14 |
M12 |
| ANSI B16.5 |
ANSI 900 |
83 |
121 |
4 |
22 |
19 |
| ANSI 300 |
67 |
95 |
4 |
16 |
13 |
| ANSI 150 |
60 |
89 |
4 |
16 |
13 |
| ANSI 600 |
67 |
95 |
4 |
16 |
13 |
| ANSI 1500 |
83 |
121 |
4 |
22 |
19 |
Blind Flange
Slip On Flange
Weld Neck Flange
Buy Industrial Flanges in Various Types As Per Customers Requirements At Fair Price
Flange Price list
Before Dealing With Other Flange Manufacturer in India Compare Our Price List
| Flange Size(inch) |
Estimated Price In Rs |
| 1.5 to 3 inch |
300 to 1200 |
| ½ to 1 inch |
200 to 800 |
| 4 to 6 inch |
500 to 2000 |
| 14 to 24 inch |
2000 to 8000 |
| 8 to 12 inch |
1000 to 4000 |
| 38 to 48 inch |
6000 to 15000 |
| 26 to 26 inch |
4000 to 12000 |
| 62 to 72 inch |
10,000 to 22000 |
| 50 to 60 inch |
8000 to 18000 |
| 74 to 96 inch |
12000 to 25000+ |
| Material |
Price (INR) |
| Carbon Steel |
200 to 5000 |
| Stainless Steel |
500 to 15000 |
| Alloy Steel |
300 to 8000 |
| Flange Type |
Price (INR) |
| Slip-on Flanges |
110 to 15,000 |
| Weld Neck Flanges |
780 to 5000 |
| Blind Flanges |
160 to 5,000 |
| Threaded Flanges |
110 to 35,000 |
| Socket Weld Flanges |
120 to 50,000 |
| Orifice Flanges |
160 to 95,000 |
Industrial Flanges Specification
Customized Flange Manufacturer in India Offer Wide Range Of Industrial Flange For Various Application
Standard Sizes
- Schedule :Sch 5 to XXS
- NPS:1/2" to 48"
- Class:150 to 2500#
Flanges Face
Pipe Flanges Thread
Forged Flanges Testing
- Pressure
- Tensile
- PMI
- Hardness test
Flanges Supporting Material
- Gaskets
- Flange Bolts
- Ring Joint
Industrial Flanges Origin
- Japanese
- Indian, Korean
- European, American
Flanges Fulfill
- NACE MR0175/ MR0103
- ISO 15156
- Sour service
Pipe Flanges Process
Flanges Surface Finish
- Spiral/Concentric
- Mirror, Serrated
- Smooth
Forged Flanges Types
- Blind
- Weld Neck
- Slip On etc.
Pipe Flange Documentation
- MTC
- 100% Radiography Test Report
- Third Party Inspection
Flanges Dimensional Standards
- ASME B16.47 Series A & B
- MSS SP44
- ASME B16.5
Industrial Flanges Application
- Oil and Gas
- Chemical Industries
- Plumbing
- Valves
- Pharmaceuticals
Flanges Packaging
- Bubble Wrap
- Plastic Bags
- Anti-tarnish Paper
- Plastic Wrap
- Custom
Flanges Different Types
Long Weld Neck Flange
Expander Flange
Ring Spacer Flange
Socket Weld Flanges
Lap Joint Flanges
Threaded Flanges
Tongue and Groove Flanges
Spectacle Flanges
Orifice Flanges
Exhaust Flange
Plate Flange
Ring Type Joint Flange
Meet Top IBR Flanges Manufacturer in India in Numerous Grades and Materials
Forged Flanges Grades and Materials
IBR Approved Flange Manufacturers in India in Various Material and Grades
Delivering Blind and Weld Neck Flange With Hallmark Used for Connecting Valves and Pipes
Blind Flange Uses
- Injection Molding Machines,
- Hydraulic and Pneumatic Systems
- Power Generation
- Sewer Systems
- Water Treatment Plants
- Pumps
- Pipelines
Get Slip On and Socket Weld Flange With Pressure Class 150 to 2500# and Schedule 5 to XXS
Flanges Pressure Rating
DNV Approved Manufacturer Of Flange in India With Different Dimensions and Pressure Rating
| Working Pressure Bar (psi) |
Temperature °C
(°F) |
Class |
| 600 |
300 |
150 |
400 |
1500 |
900 |
2500 |
50
(122) |
100.2
(1452) |
50.1
(723) |
19.2
(278) |
66.8
(968) |
250.6
(3632) |
150.4
(2180) |
417.7
(6054) |
-29 - 38
(-20.2 - 100) |
102.1
(1480) |
51.1
(741) |
19.6
(284) |
68.1
(987) |
255.3
(3700) |
153.2
(2220) |
425.5
(6167) |
150
(302) |
90.2
(1307) |
45.1
(654) |
15.8
(229) |
60.1
(871) |
225.4
(3267) |
135.2
(1959) |
375.6
(5443) |
100
(212) |
93.2
(1351) |
46.6
(675) |
17.7
(257) |
62.1
(900) |
233.0
(3377) |
139.8
(2026) |
388.3
(5628) |
250
(482) |
83.9
(1216) |
41.9
(607) |
12.1
(175) |
55.9
(810) |
209.7
(3039) |
125.8
(1823) |
349.5
(5065) |
475
(887) |
34.9
(506) |
17.4
(252) |
3.7
(53.6) |
23.2
(336) |
87.2
(1264) |
52.3
(758) |
145.3
(2106 |
200
(392) |
87.6
(1270) |
43.8
(635) |
13.8
(200) |
58.4
(846) |
219.0
(3174) |
131.4
(1904) |
365.0
(5290) |
325
(617) |
77.4
(1122) |
38.7
(561) |
9.3
(135) |
51.6
(748) |
193.6
(2806) |
116.1
(1683) |
322.6
(4675) |
300
(572) |
79.6
(1154) |
39.8
(577) |
10.2
(148) |
53.1
(770) |
199.1
(2886) |
119.5
(1732) |
331.8
(4809) |
375
(707) |
72.7
(1054) |
36.4
(528) |
7.4
(107) |
48.5
(703) |
181.8
(2635) |
109.1
(1581) |
303.1
(4393) |
350
(662) |
75.1
(1088) |
37.6
(545) |
8.4
(122) |
50.1
(726) |
187.8
(2722) |
112.7
(1633) |
313.0
(4536) |
425
(797) |
57.5
(833) |
28.8
(417) |
5.5
(79.7) |
38.4
(557) |
143.8
(2084) |
86.3
(1251) |
239.7
(3474) |
400
(752) |
69.4
(1006) |
34.7
(503) |
6.5
(94.2) |
46.3
(671) |
173.6
(2516) |
104.2
(1510) |
289.3
(4193) |
450
(842) |
46.0
(667) |
23.0
(333) |
4.6
(66.7) |
30.7
(445) |
115.0
(1667) |
69.0
(1000) |
191.7
(2778) |
Learn About Our Distribution Network
| Houston |
Kenya |
Tunisia |
Gabon |
Dubai |
Morocco |
| Zambia |
Ethiopia |
Tanzania |
Egypt |
Ghana |
Angola |
| California |
Indiana |
Carolina |
Texas |
Algeria |
New South Wales |
| Mozambique |
South Africa |
Oman |
Nigeria |
USA |
Abu Dhabi |
| Al-khobar |
Riyadh |
Al Jubail |
Dammam |
UAE |
Saudi Arabia |
Our Capabilities
- Beveling Machine
- CNC Lath
- Oil Fired Heat Treatment Furnace
- Hydraulic Press 300 Tons Capacity
- Radial Driling Machine
- Cold Forming Machines
- Hot Forming Machines
- Heat Treatment
- Hydraulic Press 150 Tons Capacity
- Portable Temperature Indicator
Pipeline Flange Schedule Chart
| NOMINAL WALL THICKNESS |
| Nom Pipe Size |
OD |
STD Wall |
Sch 20 |
Sch 10 |
Sch 30 |
Sch 40 |
EXT Hvy |
Sch 60 |
Sch 100 |
Sch 80 |
Sch 140 |
Sch 120 |
XX Hvy |
Sch 160 |
| ¾ |
1.05 |
0.113 |
…….. |
0.083 |
…….. |
0.113 |
0.154 |
…….. |
…….. |
0.154 |
…….. |
…….. |
0.308 |
0.219 |
| ½ |
0.84 |
0.109 |
…….. |
0.083 |
…….. |
0.109 |
0.147 |
…….. |
…….. |
0.147 |
…….. |
…….. |
0.294 |
0.188 |
| 1 |
1.315 |
0.133 |
…….. |
0.109 |
…….. |
0.133 |
0.179 |
…….. |
…….. |
0.179 |
…….. |
…….. |
0.358 |
0.25 |
| 1 ½ |
1.9 |
0.145 |
…….. |
0.109 |
…….. |
0.145 |
0.2 |
…….. |
…….. |
0.2 |
…….. |
…….. |
0.4 |
0.281 |
| 1 ¼ |
1.66 |
0.14 |
…….. |
0.109 |
…….. |
0.14 |
0.191 |
…….. |
…….. |
0.191 |
…….. |
…….. |
0.382 |
0.25 |
| 2 |
2.375 |
0.154 |
…….. |
0.109 |
…….. |
0.154 |
0.218 |
…….. |
…….. |
0.218 |
…….. |
…….. |
0.436 |
0.344 |
| 3 |
3.5 |
0.216 |
…….. |
0.12 |
…….. |
0.216 |
0.3 |
…….. |
…….. |
0.3 |
…….. |
…….. |
0.6 |
0.438 |
| 2 ½ |
2.875 |
0.203 |
…….. |
0.12 |
…….. |
0.203 |
0.276 |
…….. |
…….. |
0.276 |
…….. |
…….. |
0.552 |
0.375 |
| 3 ½ |
4 |
0.226 |
…….. |
0.12 |
…….. |
0.226 |
0.318 |
…….. |
…….. |
0.318 |
…….. |
…….. |
0.636 |
…….. |
| 5 |
5.563 |
0.258 |
…….. |
0.134 |
…….. |
0.258 |
0.375 |
…….. |
…….. |
0.375 |
…….. |
0.5 |
0.75 |
0.625 |
| 4 |
4.5 |
0.237 |
…….. |
0.12 |
…….. |
0.237 |
0.337 |
…….. |
…….. |
0.337 |
…….. |
0.438 |
0.674 |
0.531 |
| 6 |
6.625 |
0.28 |
…….. |
0.134 |
…….. |
0.28 |
0.432 |
…….. |
…….. |
0.432 |
…….. |
0.562 |
0.864 |
0.719 |
| 10 |
10.75 |
0.365 |
0.25 |
0.165 |
0.307 |
0.365 |
0.5 |
0.5 |
0.719 |
0.594 |
1 |
0.844 |
1 |
1.125 |
| 8 |
8.625 |
0.322 |
0.25 |
0.148 |
0.277 |
0.322 |
0.5 |
0.406 |
0.594 |
0.5 |
0.812 |
0.719 |
0.875 |
0.906 |
| 12 |
12.75 |
0.375 |
0.25 |
0.18 |
0.33 |
0.406 |
0.5 |
0.562 |
0.844 |
0.688 |
1.125 |
1 |
1 |
1.312 |
| 16 |
16 |
0.375 |
0.312 |
0.25 |
0.375 |
0.5 |
0.5 |
0.656 |
1.031 |
0.844 |
1.438 |
1.219 |
…….. |
1.594 |
| 14 |
14 |
0.375 |
0.312 |
0.25 |
0.375 |
0.438 |
0.5 |
0.594 |
0.938 |
0.75 |
1.25 |
1.094 |
…….. |
1.406 |
| 18 |
18 |
0.375 |
0.312 |
0.25 |
0.438 |
0.562 |
0.5 |
0.75 |
1.156 |
0.938 |
1.562 |
1.375 |
…….. |
1.781 |
| 22 |
22 |
0.375 |
…….. |
0.25 |
…….. |
…….. |
0.5 |
…….. |
…….. |
…….. |
…….. |
…….. |
…….. |
…….. |
| 20 |
20 |
0.375 |
0.375 |
0.25 |
0.5 |
0.594 |
0.5 |
0.812 |
1.281 |
1.031 |
1.75 |
1.5 |
…….. |
1.969 |
| 24 |
24 |
0.375 |
0.375 |
0.25 |
0.562 |
0.688 |
0.5 |
0.969 |
1.531 |
1.219 |
2.062 |
1.812 |
…….. |
2.344 |
| 30 |
30 |
0.375 |
0.5 |
0.312 |
0.625 |
…….. |
0.5 |
…….. |
…….. |
…….. |
…….. |
…….. |
…….. |
…….. |
| 26 |
26 |
0.375 |
…….. |
…….. |
…….. |
…….. |
0.5 |
…….. |
…….. |
…….. |
…….. |
…….. |
…….. |
…….. |
| 36 |
36 |
0.375 |
0.5 |
0.312 |
0.625 |
0.75 |
0.5 |
…….. |
…….. |
…….. |
…….. |
…….. |
…….. |
…….. |
| 42 |
42 |
0.375 |
…….. |
…….. |
…….. |
…….. |
0.5 |
…….. |
…….. |
…….. |
…….. |
…….. |
…….. |
…….. |
| 40 |
40 |
0.375 |
…….. |
…….. |
…….. |
…….. |
0.5 |
…….. |
…….. |
…….. |
…….. |
…….. |
…….. |
…….. |
| 48 |
48 |
0.375 |
…….. |
…….. |
…….. |
…….. |
0.5 |
…….. |
…….. |
…….. |
…….. |
…….. |
…….. |
…….. |
IBR Flanges HSN Code
| Product |
HSN Code |
| Flanges |
730791 |
Difference Between Schedule and Wall Thickness Of Flanges
| Feature |
Schedule |
Wall Thickness |
| Definition |
Number That Represents the Thickness of the Wall |
Actual Flange Material Thickness. |
| Measurement |
A Schedule Number is Used to Represent |
Measured in Millimeters or Inches. |
| Pressure |
Thick Walls Correspond to a Higher Schedule. |
A Flange With Thicker Walls is Stronger. |
Flanges Standards
| ASME B16.36 |
ASME B16.47 Series A |
ASME B16.5 |
ASME B16.47 Series B |
ASME B16.48 |
- CL 900
- CL 400
- CL 300
- CL 600
- CL 2500
- CL 1500
|
- 900#
- 300#
- 150#
- 600#
- 2500#
- 1500#
|
- Class 900
- Class 300
- Class 150
- Class 600
- Class 2500
- Class 1500
|
- 400 PSI
- 150 PSI
- 75 PSI
- 300 PSI
- 900 PSI
- 600 PSI
- 2500 PSI
- 1500 PSI
|
- 1500 LB
- 600 LB
- 300 LB
- 900 LB
- 2500 LB
|
| Flanges Types |
European Standards |
| Loose plate flange including TYPE 32 weld-on plate collar |
EN 1092-1 Type 02 |
| Plate welding flange |
EN 1092-1 Type 01 |
| Loose plate flange including TYPE 34 weld-neck collar |
EN 1092-1 Type 04 |
| Blank and blind flange |
EN 1092-1 Type 05 |
| long welding-neck – integral flange |
EN 1092-1 Type 21 |
| Loose plate flange including TYPE 33 weld-on plate collar |
EN 1092-1 Type 02 |
| Slip on hubbed flange for welding |
EN 1092-1 Type 12 |
| Welding neck flange |
EN 1092-1 Type 11 |
| Hubbed threaded (NPT) flange |
EN 1092-1 Type 13 |
Industrial Flanges Finish Types
| Types Of Finish |
Finish Value |
| Concentric Serrated |
125 and 500 micro inches |
| Smootd Finish |
63-125 AA |
| Spiral Serrated |
Generated using a 90-deg tool |
| Stock Finish |
125- to 250-μin |
| Serrated Finish |
Required 30 to 55 grooves per inches |
Raised Face vs Flat Face Flanges
| Factor |
Raised Face Flange |
Flat Face Flange |
| Surface Design |
Elevated Region Surrounding the Bore |
Flat surface with no elevation |
| Common Applications |
Petrochemical, Oil & Gas, Power Industries |
Cast Iron Flanges, Low-Pressure Systems |
| Typical Pressure Classes |
300, 150, 900, 600, etc. |
150, 125 etc. |
| Pressure Rating |
Suitable for High-pressure Systems |
Suitable for Low-pressure Systems |
| Manufacturing Cost |
More Costly Because of the Elevated Design |
Less Costly to Manufacture |
Weld Neck Flanges Size Chart
| Bore |
Size in mm |
Size in Inch |
Flange Thickness |
Outer Diameter |
Weld Neck OD |
Hub OD |
Welding Neck Length |
RF Height |
Weld Face |
RF Diameter |
PCD |
| F |
|
|
B |
A |
D |
C |
E |
H |
J |
G |
I |
| The pipe schedule is used to determine the welding neck bore. |
|
|
|
|
|
|
|
|
|
|
|
| 20 |
3/4 |
11.2 |
100 |
26.7 |
38 |
51 |
2 |
1.6 |
42.9 |
69.9 |
| 15 |
1/2 |
9.6 |
90 |
21.3 |
30 |
46 |
2 |
1.6 |
34.9 |
60.3 |
| 25 |
1 |
12.7 |
110 |
33.4 |
49 |
54 |
2 |
1.6 |
50.8 |
79.4 |
| 65 |
2 1/2 |
20.7 |
180 |
73 |
90 |
68 |
2 |
1.6 |
104.8 |
139.7 |
| 40 |
1 1/2 |
15.9 |
125 |
48.3 |
65 |
60 |
2 |
1.6 |
73 |
98.4 |
| 32 |
1 1/4 |
14.3 |
115 |
42.2 |
59 |
56 |
2 |
1.6 |
63.5 |
88.9 |
| 50 |
2 |
17.5 |
150 |
60.3 |
78 |
62 |
2 |
1.6 |
92.1 |
120.7 |
| 90 |
3 1/2 |
22.3 |
215 |
101.6 |
122 |
70 |
2 |
1.6 |
139.7 |
177.8 |
| 80 |
3 |
22.3 |
190 |
88.9 |
108 |
68 |
2 |
1.6 |
127 |
152.4 |
| 125 |
5 |
22.3 |
255 |
141.3 |
164 |
87 |
2 |
1.6 |
185.7 |
215.9 |
| 100 |
4 |
22.3 |
230 |
114.3 |
135 |
75 |
2 |
1.6 |
157.2 |
190.5 |
| 200 |
8 |
27 |
345 |
219.1 |
246 |
100 |
2 |
1.6 |
269.9 |
298.5 |
| 150 |
6 |
23.9 |
280 |
168.3 |
192 |
87 |
2 |
1.6 |
215.9 |
241.3 |
| 300 |
12 |
30.2 |
485 |
323.8 |
365 |
113 |
2 |
1.6 |
381 |
431.8 |
| 250 |
10 |
28.6 |
405 |
273 |
305 |
100 |
2 |
1.6 |
323.8 |
362 |
| 400 |
16 |
35 |
595 |
406.4 |
457 |
125 |
2 |
1.6 |
469.9 |
539.8 |
| 350 |
14 |
33.4 |
535 |
355.6 |
400 |
125 |
2 |
1.6 |
412.8 |
476.3 |
| 500 |
20 |
41.3 |
700 |
508 |
559 |
143 |
2 |
1.6 |
584.2 |
635 |
| 450 |
18 |
38.1 |
635 |
457.2 |
505 |
138 |
2 |
1.6 |
533.4 |
577.9 |
| 600 |
24 |
46.1 |
815 |
610 |
663 |
151 |
2 |
1.6 |
692.2 |
749.3 |
Criteria for Selecting the Right Flange
Forged Steel Flange Manufacturing Method
| Standard |
Manufacturing Method |
| ASME/ANSI B16.5 |
Forged |
| ASTM A341 & MSS SP-51 |
Cast |
| ASME/ANSI B16.5 |
125- to 250-μin |
Pipe Flanges Tolerances
(a). Center-to-Contract Surfaces other than Ring Joint
| Size |
Tolerance |
| NPS ≤ 12 |
+/- 1.5 mm (+/- 0.06 in.) |
| NPS ≤ 10 |
+/- 1.0 mm (+/- 0.03 in.) |
(b). Center-to-End (Ring Joint)
| Size |
Tolerance |
| NPS ≤ 12 |
+/- 1.5 mm (+/- 0.06 in.) |
| NPS ≤ 10 |
+/- 1.0 mm (+/- 0.03 in.) |
(c). Center surface-to-Contact surface other than ring joint
| Size |
Tolerance |
| NPS ≥ 12 |
±3.0 mm(±0.12 in.) |
| NPS ≤ 10 |
±2.0 mm(±0.06 in.) |
(d). End-to-End
| Size |
Tolerance |
| NPS ≥ 12 |
±3.0 mm(±0.12 in.) |
| NPS ≤ 10 |
±2.0 mm(±0.06 in.) |
What are Challenges of Flange Manufacturing ?
Flanges Gaskets Types
- PTFE Gasket
- Oval Ring Gasket
- Spiral Wound Gaskets
- Metal Jacketed Gasket
- RTJ Gaskets
- RF Gaskets
- FF Gaskets
Slip On Flange Thickness
| Size in mm |
Size in Inch |
Flange Thick. |
Outer Dia. |
Hub OD |
RF Dia. |
Flange Length |
RF Height |
Socket Bore |
PCD |
No of Bolts |
Machine Bolt Length |
Bolt Size UNC |
RF Stud Length |
ISO Stud Size |
Hole Size |
Weight in kg |
|
|
B |
A |
C |
E |
D |
F |
H |
G |
|
|
|
|
|
|
|
| 20 |
3/4 |
11.2 |
100 |
38 |
42.9 |
14 |
2 |
27.7 |
69.9 |
4 |
50 |
1/2 |
65 |
M14 |
5/8 |
0.9 |
| 15 |
1/2 |
9.6 |
90 |
30 |
34.9 |
14 |
2 |
22.2 |
60.3 |
4 |
50 |
1/2 |
55 |
M14 |
5/8 |
0.8 |
| 25 |
1 |
12.7 |
110 |
49 |
50.8 |
16 |
2 |
34.5 |
79.4 |
4 |
55 |
1/2 |
65 |
M14 |
5/8 |
0.9 |
| 40 |
1 1/2 |
15.9 |
125 |
65 |
73 |
21 |
2 |
49.5 |
98.4 |
4 |
65 |
1/2 |
70 |
M14 |
5/8 |
1.4 |
| 32 |
1 1/4 |
14.3 |
115 |
59 |
63.5 |
19 |
2 |
43.2 |
88.9 |
4 |
55 |
1/2 |
70 |
M14 |
5/8 |
1.4 |
| 50 |
2 |
17.5 |
150 |
78 |
92.1 |
24 |
2 |
61.9 |
120.7 |
4 |
70 |
5/8 |
85 |
M16 |
3/4 |
2.3 |
| 80 |
3 |
22.3 |
190 |
108 |
127 |
29 |
2 |
90.7 |
152.4 |
4 |
75 |
5/8 |
90 |
M16 |
3/4 |
3.7 |
| 65 |
2 1/2 |
20.7 |
180 |
90 |
104.8 |
27 |
2 |
74.6 |
139.7 |
4 |
75 |
5/8 |
90 |
M16 |
3/4 |
3.2 |
| 90 |
3 1/2 |
22.3 |
215 |
122 |
139.7 |
30 |
2 |
103.4 |
177.8 |
8 |
75 |
5/8 |
90 |
M16 |
3/4 |
5 |
| 125 |
5 |
22.3 |
255 |
164 |
185.7 |
35 |
2 |
143.8 |
215.9 |
8 |
85 |
3/4 |
95 |
M20 |
7/8 |
6.8 |
| 100 |
4 |
22.3 |
230 |
135 |
157.2 |
32 |
2 |
116.1 |
190.5 |
8 |
75 |
5/8 |
90 |
M16 |
3/4 |
5.9 |
| 150 |
6 |
23.9 |
280 |
192 |
215.9 |
38 |
2 |
170.7 |
241.3 |
8 |
85 |
3/4 |
100 |
M20 |
7/8 |
8.6 |
| 250 |
10 |
28.6 |
405 |
305 |
323.8 |
48 |
2 |
276.2 |
362 |
12 |
100 |
7/8 |
115 |
M24 |
1 |
19.5 |
| 200 |
8 |
27 |
345 |
246 |
269.9 |
43 |
2 |
221.5 |
298.5 |
8 |
90 |
3/4 |
110 |
M20 |
7/8 |
13.7 |
| 350 |
14 |
33.4 |
535 |
400 |
412.8 |
56 |
2 |
359.2 |
476.3 |
12 |
115 |
1 |
135 |
M27 |
1 1/8 |
41 |
| 300 |
12 |
30.2 |
485 |
365 |
381 |
54 |
2 |
327 |
431.8 |
12 |
100 |
7/8 |
120 |
M24 |
1 |
29 |
| 400 |
16 |
35 |
595 |
457 |
469.9 |
62 |
2 |
410.5 |
539.8 |
16 |
115 |
1 |
135 |
M27 |
1 1/8 |
54 |
| 500 |
20 |
41.3 |
700 |
559 |
584.2 |
71 |
2 |
513.1 |
635 |
20 |
140 |
1 1/8 |
160 |
M30 |
1 1/4 |
75 |
| 450 |
18 |
38.1 |
635 |
505 |
533.4 |
67 |
2 |
461.8 |
577.9 |
16 |
125 |
1 1/8 |
145 |
M30 |
1 1/4 |
59 |
| 600 |
24 |
46.1 |
815 |
663 |
692.2 |
81 |
2 |
616 |
749.3 |
20 |
150 |
1 1/4 |
170 |
M33 |
1 3/8 |
100 |
Maintenance Tips of Flanges
Socket Weld Flange
Class Ratings
| ASME B16.5 Piping class ratings based on PN rating |
| Class |
|
300 |
150 |
400 |
2500 |
900 |
600 |
1500 |
| (PN) |
|
50 |
20 |
68 |
420 |
150 |
100 |
250 |
Exhaust Flange Weight chart
| 150 lb |
½ |
2 |
1 |
1 |
1 |
2 |
2 |
|
1 |
3 |
2 |
2 |
2 |
2 |
2 |
|
¾ |
2 |
2 |
2 |
2 |
2 |
2 |
|
1¼ |
3 |
3 |
3 |
3 |
3 |
3 |
|
2 |
6 |
5 |
5 |
5 |
5 |
5 |
|
1½ |
4 |
3 |
3 |
3 |
3 |
4 |
|
2½ |
10 |
8 |
8 |
8 |
8 |
7 |
|
3½ |
12 |
12 |
11 |
11 |
11 |
13 |
|
3 |
11.5 |
9 |
9 |
9 |
9 |
9 |
|
4 |
16.5 |
13 |
13 |
13 |
13 |
17 |
|
6 |
26 |
19 |
19 |
19 |
19 |
27 |
|
8 |
42 |
30 |
30 |
30 |
30 |
47 |
|
5 |
21 |
15 |
15 |
15 |
15 |
20 |
|
10 |
54 |
43 |
43 |
43 |
43 |
70 |
|
14 |
114 |
90 |
90 |
105 |
90 |
140 |
|
12 |
88 |
64 |
64 |
64 |
64 |
123 |
|
24 |
268 |
220 |
220 |
275 |
220 |
430 |
|
16 |
140 |
98 |
106 |
140 |
98 |
180 |
|
20 |
197 |
165 |
165 |
195 |
165 |
285 |
|
18 |
165 |
130 |
130 |
160 |
130 |
220 |
|
22 |
225 |
185 |
185 |
245 |
185 |
355 |
| CLASS |
Nominal Pipe Size |
Weld Neck |
Threaded |
Slip On |
Lap Joint |
Socket Weld |
Blind |
| 300 lb |
½ |
2 |
2 |
2 |
2 |
3 |
2 |
|
1 |
4 |
3 |
3 |
3 |
3 |
4 |
|
¾ |
3 |
3 |
3 |
3 |
3 |
3 |
|
1¼ |
5 |
4.5 |
4.5 |
4.5 |
4 |
6 |
|
2 |
9 |
7 |
7 |
7 |
7 |
8 |
|
1½ |
7 |
6.5 |
6.5 |
6.5 |
6 |
7 |
|
2½ |
12 |
10 |
10 |
10 |
10 |
12 |
|
3½ |
20 |
17 |
17 |
17 |
17 |
21 |
|
3 |
18 |
14 |
13 |
14.5 |
13 |
16 |
|
4 |
26.5 |
24 |
23.5 |
24 |
22 |
28 |
|
6 |
45 |
39 |
39 |
39 |
39 |
50 |
|
5 |
36 |
31 |
29 |
28 |
28 |
37 |
|
22 |
465 |
370 |
370 |
435 |
370 |
640 |
|
8 |
69 |
58 |
58 |
58 |
58 |
81 |
|
12 |
142 |
115 |
115 |
140 |
115 |
185 |
|
10 |
100 |
81 |
81 |
91 |
81 |
124 |
|
14 |
206 |
165 |
165 |
190 |
165 |
250 |
|
18 |
320 |
280 |
253 |
305 |
250 |
414 |
|
16 |
250 |
220 |
210 |
234 |
190 |
315 |
|
20 |
400 |
325 |
315 |
375 |
315 |
515 |
|
24 |
580 |
490 |
490 |
550 |
475 |
800 |
| CLASS |
Nominal Pipe Size |
Weld Neck |
Threaded |
Slip On |
Lap Joint |
Socket Weld |
Blind |
| 400 lb |
½ |
3 |
2 |
2 |
2 |
2 |
2 |
|
1 |
4 |
3.5 |
3.5 |
3.5 |
3.5 |
4 |
|
¾ |
3.5 |
3 |
3 |
3 |
3 |
3 |
|
1¼ |
4.5 |
4.5 |
4.5 |
4.5 |
4.5 |
6 |
|
2 |
10 |
8 |
8 |
8 |
8 |
10 |
|
1½ |
8 |
6.5 |
6.5 |
6.5 |
6.5 |
8 |
|
2½ |
14 |
12 |
12 |
11 |
12 |
15 |
|
3½ |
26 |
21 |
21 |
20 |
21 |
29 |
|
3 |
18 |
15 |
15 |
14 |
15 |
20 |
|
4 |
35 |
26 |
26 |
25 |
26 |
33 |
|
6 |
57 |
44 |
44 |
42 |
44 |
61 |
|
5 |
43 |
31 |
31 |
29 |
31 |
44 |
|
8 |
89 |
67 |
67 |
64 |
67 |
100 |
|
12 |
175 |
130 |
130 |
152 |
130 |
226 |
|
22 |
505 |
405 |
405 |
455 |
405 |
720 |
|
10 |
125 |
91 |
91 |
110 |
91 |
155 |
|
14 |
233 |
191 |
191 |
210 |
191 |
310 |
|
18 |
360 |
310 |
310 |
345 |
310 |
502 |
|
16 |
295 |
253 |
253 |
280 |
253 |
398 |
|
20 |
445 |
378 |
378 |
420 |
378 |
621 |
|
24 |
640 |
539 |
539 |
615 |
539 |
936 |
| CLASS |
Nominal Pipe Size |
Weld Neck |
Threaded |
Slip On |
Lap Joint |
Socket Weld |
Blind |
| 600 lb |
½ |
3 |
2 |
2 |
2 |
2 |
3 |
|
1 |
4 |
4 |
4 |
4 |
4 |
4 |
|
¾ |
4 |
3 |
3 |
3 |
3 |
4 |
|
1¼ |
6 |
5 |
5 |
5 |
5 |
6 |
|
2 |
12 |
9 |
9 |
9 |
9 |
10 |
|
2½ |
18 |
13 |
13 |
12 |
13 |
15 |
|
1½ |
8 |
7 |
7 |
7 |
7 |
8 |
|
3 |
23 |
16 |
16 |
15 |
16 |
20 |
|
4 |
42 |
37 |
37 |
36 |
37 |
41 |
|
3½ |
26 |
21 |
21 |
20 |
21 |
29 |
|
5 |
68 |
63 |
63 |
63 |
63 |
68 |
|
8 |
120 |
115 |
115 |
112 |
115 |
140 |
|
6 |
81 |
80 |
80 |
78 |
80 |
86 |
|
10 |
190 |
177 |
177 |
195 |
177 |
231 |
|
14 |
347 |
259 |
259 |
290 |
259 |
378 |
|
12 |
226 |
215 |
215 |
240 |
215 |
295 |
|
16 |
481 |
366 |
366 |
400 |
366 |
527 |
|
24 |
977 |
876 |
876 |
866 |
876 |
1250 |
|
20 |
690 |
612 |
612 |
604 |
612 |
855 |
|
18 |
555 |
476 |
476 |
469 |
476 |
665 |
|
22 |
720 |
590 |
590 |
670 |
590 |
1000 |
| CLASS |
Nominal Pipe Size |
Weld Neck |
Threaded |
Slip On |
Lap Joint |
Socket Weld |
Blind |
| 900 lb |
½ |
7 |
6 |
6 |
6 |
6 |
4 |
|
1 |
8.5 |
7.5 |
7.5 |
7.5 |
7.5 |
9 |
|
¾ |
7 |
6 |
6 |
6 |
6 |
6 |
|
1¼ |
10 |
10 |
10 |
10 |
10 |
10 |
|
2 |
24 |
22 |
22 |
21 |
22 |
25 |
|
2½ |
31 |
31 |
31 |
25 |
31 |
32 |
|
1½ |
14 |
14 |
14 |
14 |
14 |
14 |
|
3 |
36 |
36 |
36 |
29 |
36 |
35 |
|
5 |
86 |
83 |
83 |
81 |
83 |
87 |
|
4 |
53 |
53 |
53 |
51 |
53 |
54 |
|
6 |
110 |
110 |
110 |
105 |
110 |
115 |
|
10 |
268 |
245 |
245 |
277 |
245 |
290 |
|
20 |
1164 |
792 |
792 |
868 |
792 |
1107 |
|
8 |
187 |
172 |
172 |
190 |
172 |
200 |
|
12 |
372 |
326 |
326 |
371 |
326 |
415 |
|
16 |
685 |
459 |
459 |
488 |
459 |
619 |
|
14 |
562 |
400 |
400 |
415 |
400 |
520 |
|
18 |
924 |
647 |
647 |
670 |
647 |
880 |
|
24 |
2107 |
1480 |
1480 |
1659 |
1480 |
2099 |
| CLASS |
Nominal Pipe Size |
Weld Neck |
Threaded |
Slip On |
Lap Joint |
Socket Weld |
Blind |
| 1500 lb |
½ |
7 |
6 |
6 |
6 |
6 |
4 |
|
1 |
9 |
8 |
8 |
8 |
8 |
9 |
|
¾ |
7 |
6 |
6 |
6 |
6 |
6 |
|
1¼ |
10 |
10 |
10 |
10 |
10 |
10 |
|
2 |
25 |
25 |
25 |
25 |
25 |
25 |
|
1½ |
14 |
14 |
14 |
14 |
14 |
14 |
|
2½ |
36 |
36 |
36 |
35 |
36 |
35 |
|
4 |
73 |
73 |
73 |
75 |
73 |
73 |
|
3 |
48 |
48 |
48 |
47 |
48 |
48 |
|
5 |
132 |
132 |
132 |
140 |
132 |
140 |
|
8 |
275 |
260 |
260 |
286 |
260 |
302 |
|
6 |
165 |
165 |
165 |
170 |
165 |
160 |
|
10 |
455 |
436 |
436 |
485 |
436 |
510 |
|
14 |
940 |
940 |
940 |
890 |
940 |
975 |
|
12 |
690 |
667 |
667 |
749 |
667 |
775 |
|
16 |
1250 |
1250 |
1250 |
1250 |
1250 |
1300 |
|
20 |
2050 |
2050 |
2050 |
1775 |
2050 |
2225 |
|
18 |
1625 |
1625 |
1625 |
1475 |
1625 |
1750 |
|
24 |
3325 |
2825 |
2825 |
2825 |
2825 |
3625 |
| CLASS |
Nominal Pipe Size |
Weld Neck |
Threaded |
Slip On |
Lap Joint |
Socket Weld |
Blind |
| 2500 lb |
½ |
8 |
7 |
…. |
7 |
…. |
7 |
|
1 |
13 |
12 |
…. |
12 |
…. |
12 |
|
¾ |
9 |
9 |
…. |
8 |
…. |
10 |
|
1½ |
28 |
25 |
…. |
24 |
…. |
25 |
|
1¼ |
20 |
18 |
…. |
17 |
…. |
18 |
|
2 |
42 |
38 |
…. |
37 |
…. |
39 |
|
3 |
94 |
83 |
…. |
80 |
…. |
86 |
|
2½ |
52 |
55 |
…. |
53 |
…. |
56 |
|
10 |
1068 |
925 |
…. |
897 |
…. |
1025 |
|
4 |
146 |
127 |
…. |
122 |
…. |
133 |
|
6 |
378 |
323 |
…. |
314 |
…. |
345 |
|
5 |
244 |
210 |
…. |
204 |
…. |
223 |
|
8 |
576 |
485 |
…. |
471 |
…. |
533 |
|
12 |
1608 |
1300 |
…. |
1262 |
…. |
1464 |
Pipe Flanges Face Types
| Face Types |
Marking symbol |
| Tongue Groove Face |
T & G |
| Raised Face |
RF |
| Male Female Face |
M&F |
| Ring Type Joint |
RTJ |
| Lap Joint Face |
LJRF |
| Flat Face |
FF |
Threaded Flange Marking
| Threaded Flange Marking |
| Name |
Manufacturer name or trademark |
| Material: |
Material Standard ASTM xxx, Cast or Forged |
| Conformance |
ASME B16.5 or other B16 standard. |
| Size |
Custom |
| Pressure Ratings |
Class 150 to 2500 |
| Multiple Material Marking |
If More Than One Material is Used. |
| Ring Joint Flanges |
Shall be marked with Ring groove number and letter R |
| Temperature |
Temperature Range |
Industrial Flanges Testing Facilities
- Tensile testing machine
- Ultrasonic testing machine
- Mobile spectrometer for PMI tes
- Radiation servo meter
- Impact testing machine
- Surface roughness tester
- Microscope
- Hardness testing machine
- Dye penetrate test
- IGC test facilities
Flange vs Gasket
| Factor |
Flange |
Gasket |
| Definition |
Bolt-holed Mechanical Connector for Connecting Pipes or Equipment. |
Piece of Sealing Material Positioned Between Two Surfaces to Stop Leaks. |
| Shape |
Round With Holes for Bolts. |
Round, Flat, Ring, or Custom |
| Material |
Stainless Steel, Steel, Bronze, Cast Iron, PVC |
PTFE, Rubber, Metal, Graphite, Ceramic, Cork |
| Pressure Rating |
Able to Tolerate High Temperatures and Pressures. |
Less Pressure Sensitive Than Flanges. |
| Types |
Slip-on, Weld Neck, Threaded, Blind, Lap Joint |
Ring, Spiral Wound, Envelope, Flat, and More. |
| Applications |
Machinery, Piping Systems, Pumps, Valves |
Automotive, Piping, Pumps, HVAC Systems, and Compressors. |
Steel Flanges Delivery Time As Per Country
Cost Variations
5 % extra |
| Export to |
Delivery Time |
| Kuwait |
10 |
| Saudi Arabia |
7 |
| UAE |
5 days |
| France |
30 |
| Qatar |
7 |
| Oman |
5 |
| Malaysia |
10 |
| Singapore |
8 |
| USA |
40-60 |
| South Africa |
25-30 |
| Bahrain |
9 |
| Italy |
30 |
| Philippines |
14 |
| Uk |
30 |
| Indonesia |
9 |
Additional service
:
Small quantity | Custom order | hard to find items |
Sourcing from other countries
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