ASME B16.5 Reducing Blind Flange and SS Reducer Slip on Flange supplier in India
In piping systems, not all pipes are of the same size. The size of these pipes may be changed either intentionally, to reduce the flow or the change in size may be a result of the type of end product being produced. To accommodate pipes of varying sizes, reducing flange manufacturers produce these components. The pipe in a system could connect another pipe that is almost 2 sizes smaller with the help of these flanges. A Reducing Lap Joint Flange is the best alternative when pipes of two different bore sizes are to be connected in a piping system.
Even though they connect varied size pipes, they are not recommended in unexpected pipe changes. Using them in unexpected conditions would be detrimental to the system. For instance, the 4x3 Reducing Flange would not take well to a connection formed between a pipe to a different sized pump (smaller or larger). This could affect the flow of media across the system and cause turbulence, thereby having adverse implications. The methods used to connect an ASME B16.5 Reducing Blind Flange include gluing together the components using a suitable substrate, clamping, or welding. To achieve high quality welds, it is vital that the appropriate filler material, pre-weld or post-weld treatment, material, and welding technique be taken into consideration. The need for high quality welds stems from the fact that the heat affected zone in a Stainless Steel Reducing Flange, could easily cause intergranular corrosion, specifically if improper care is taken during welding. The neck of the Carbon Steel Reducing Lap Joint Flange is available in slip-on, blind, threaded, and welded flanges.
Reducing Socket Weld Flange and 316 Stainless Steel Reducing Blind Flange manufacturer and exporter in India
Reducing Weld Neck Flange Specification Chart
| Stainless Steel Reducing Flanges Size Chart | 1/2 inch to 48 inches |
|---|---|
| Pressure Calculation in DIN | 6, 16, 10, 40, 25Bar and PN6 PN16 PN10 PN25 PN64 PN40 |
| Pressure Rating ANSI | Class 150, 1500, 300, 900, 600, 2500 LBS |
| EN Standards | 6, 16, 10, 40, 20 Bar |
| UNI Standards | 6, 16, 10, 40, 25 Bar |
| JIS Standards | 5, 16, 10, 30, 63, 20, 63 K |
| Coating | Zinc Plated, Oil Black Paint, Yellow Transparent, Anti-rust Paint, Cold and Hot Dip Galvanized |
| Flanges Face Type | Lap-Joint Face, Raised Face, Ring Type Joint, Flat Face, Small Tongue, Large Male-Female, Small Male-Female, Large Tongue & Groove Flanges manufacturer and Supplier |
| Flanges Marking | All Flanges are marked as follows: Supplier or Manufacturer’s Name, Size, Class, Bore, Dimension, Material, Heat No. Or according to the customer’s request. |
Ss Reducing Flange Types
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Weld Neck Reducing Blind Flange
Asme B16.5 Reducing Raised Face Slip On Flanges
1/2" To 12" 150lb B16.5 A105 So Rf Flg Carbon Steel Reducer Black Flanges
2" X 1/2" Npt Female Threaded Reducing Flanges
Din 2501 2544 Dn50 Forging Stainless Steel Reducing Slip On Flanges
Forged Steel Weld Neck Reducing Hub Flanges
Stainless Steel Class 150 Weld Neck Reducing Flange
Ansi B16.5 150lbs Weld Neck Reducing Carbon Steel Pipe Flanges
Stainless Steel Ansi Weld Neck Reducing 6 Inch Pipe Flanges
Astm Carbon Steel Reducer Flange
Ansi B16.5 Reducing Flange
Asme B16.5 2 Inch 150 Lb 304 Stainless Steel Threaded Reducing Flange
Carbon Weld Neck Steel Reducer Flanges
Ansi B16.5 150lbs Weld Neck Reducing Carbon Steel Pipe Flanges
Aisi 304 Reducing Pipe Flanges
Stainless Steel Weld Neck Reducing Forging Flanges
Ductile Iron Cast Pipe Fittings Reducer Flanges
Dn100 Pn16 Weld Neck Reducing Pipe Flange
Reducing Flange Size Chart
| Nominal Pipe Size | Type | Ø A | D | Liner Thickness |
|
| DN1 | DN2 | ||||
| In. | In. | mm | mm | mm | |
| 3/4 | 1/2 | 1 | 98.5 | 30 | 5.0 |
| 1 | 1/2 | 1 | 108 | 30 | 5.0 |
| 1 | 3/4 | 1 | 108 | 30 | 5.0 |
| 1.1/2 | 1/2 | 1 | 127 | 30 | 5.0 |
| 1.1/2 | 3/4 | 1 | 127 | 30 | 5.0 |
| 1.1/2 | 1 | 1 | 127 | 30 | 5.0 |
| 2 | 1/2 | 3 | 152 | 30 | 5.0 |
| 2 | 3/4 | 2 | 152 | 30 | 5.0 |
| 2 | 1 | 2 | 152 | 30 | 5.0 |
| 2 | 1.1/2 | 1 | 152 | 30 | 5.0 |
| 3 | 3/4 | 3 | 190.5 | 35 | 5.0 |
| 3 | 1 | 3 | 190.5 | 35 | 5.0 |
| 3 | 1.1/2 | 2 | 190.5 | 35 | 5.0 |
| 3 | 2 | 1 | 190.5 | 35 | 5.0 |
| 4 | 3/4 | 3 | 228.6 | 35 | 5.0 |
| 4 | 1 | 3 | 228.6 | 35 | 5.0 |
| 4 | 1.1/2 | 3 | 228.6 | 35 | 5.0 |
| 4 | 2 | 3 | 228.6 | 35 | 5.0 |
| 4 | 3 | 2 | 228.6 | 35 | 5.0 |
| 6 | 3/4 | 3 | 280 | 40 | 5.0 |
| 6 | 1 | 3 | 280 | 40 | 5.0 |
| 6 | 1.1/2 | 3 | 280 | 40 | 5.0 |
| 6 | 2 | 3 | 280 | 40 | 5.0 |
| 6 | 3 | 3 | 280 | 40 | 5.0 |
| 6 | 4 | 2 | 280 | 40 | 5.0 |
| 8 | 1 | 3 | 343 | 35 | 5.0 |
| 8 | 1.1/2 | 3 | 343 | 35 | 5.0 |
| 8 | 2 | 3 | 343 | 40 | 5.0 |
| 8 | 3 | 3 | 343 | 40 | 5.0 |
| 8 | 4 | 3 | 343 | 40 | 5.0 |
| 8 | 6 | 2 | 343 | 40 | 5.0 |
| 10 | 1 | 3 | 406 | 35 | 2.5 |
| 10 | 1.1/2 | 3 | 406 | 35 | 2.5 |
| 10 | 2 | 3 | 406 | 35 | 2.5 |
| 10 | 3 | 3 | 406 | 35 | 2.5 |
| 10 | 4 | 3 | 406 | 35 | 2.5 |
| 10 | 6 | 3 | 406 | 35 | 2.5 |
| 10 | 8 | 2 | 406 | 35 | 3.5 |
| 12 | 1 | 3 | 483 | 35 | 3.5 |
| 12 | 1.1/2 | 3 | 483 | 35 | 3.5 |
| 12 | 2 | 3 | 483 | 35 | 3.5 |
| 12 | 3 | 3 | 483 | 35 | 3.5 |
| 12 | 4 | 3 | 483 | 35 | 3.5 |
| 12 | 6 | 3 | 483 | 35 | 3.5 |
| 12 | 8 | 3 | 483 | 35 | 3.5 |
| 12 | 10 | 2 | 483 | 35 | 3.5 |
| 14 | 12 | 1 | 533 | 40 | 3.5 |
| 16 | 12 | 3 | 597 | 40 | 3.5 |
| 16 | 14 | 2 | 597 | 35 | 3.5 |
Reducing Flange Gasket Size
| Nominal Pipe Size | Gasket Inside Diameter
- Inner Diameter - (inch) |
Gasket Outside Diameter | ||||
|---|---|---|---|---|---|---|
| Class 150 LBS | Class 300 LBS | Class 400 LBS | Class 600 LBS | Class 900 LBS | ||
| 1 | 1.31 | 2.625 | 2.875 | 2.875 | 2.875 | 3.125 |
| 3/4 | 1.06 | 2.25 | 2.625 | 2.625 | 2.625 | 2.75 |
| 1 1/4 | 1.66 | 3 | 3.25 | 3.25 | 3.25 | 3.50 |
| 3 | 3.50 | 5.375 | 5.875 | 5.875 | 5.875 | 6.625 |
| 1 1/2 | 1.91 | 3.375 | 3.75 | 3.75 | 3.75 | 3.875 |
| 1/2 | 0.84 | 1.875 | 2.125 | 2.125 | 2.125 | 2.50 |
| 2 | 2.38 | 4.125 | 4.375 | 4.375 | 4.375 | 5.625 |
| 2 1/2 | 2.88 | 4.875 | 5.125 | 5.125 | 5.125 | 6.50 |
| 4 | 4.50 | 6.875 | 7.125 | 7.00 | 7.625 | 8.125 |
| 5 | 5.56 | 7.75 | 8.50 | 8.375 | 9.50 | 9.75 |
| 12 | 12.75 | 16.125 | 16.625 | 16.50 | 18.00 | 19.625 |
| 6 | 6.62 | 8.75 | 9.875 | 9.75 | 10.50 | 11.375 |
| 8 | 8.62 | 11 | 12.125 | 12.00 | 12.625 | 14.125 |
| 10 | 10.75 | 13.375 | 14.25 | 14.125 | 15.75 | 17.125 |
Stainless Steel Reducing Flange Pressure Rating
A PED approved Mild Steel Reducing Hub Flange manufacturers in India, specialized in Ss Reducer Flange, Duplex Reducing Lap Joint Flange, Check Reducing Weld Neck Flange Weight and Size Chart
| Temperature (F°) | 150 LBS | 300 LBS | 400 LBS | 600 LBS | 900 LBS | 1500 LBS | 2500 LBS |
| -20 to 100 | 285 | 740 | 985 | 1480 | 2220 | 3705 | 6170 |
| 750 | 95 | 505 | 675 | 1015 | 1520 | 2535 | 4230 |
| 300 | 230 | 655 | 870 | 1310 | 1965 | 3270 | 5450 |
| 400 | 200 | 635 | 845 | 1265 | 1900 | 3170 | 5280 |
| 500 | 170 | 605 | 805 | 1205 | 1810 | 3015 | 5025 |
| 600 | 140 | 570 | 755 | 1135 | 1705 | 2840 | 4730 |
| 650 | 125 | 550 | 730 | 1100 | 1650 | 2745 | 4575 |
| 200 | 260 | 680 | 905 | 1360 | 2035 | 3395 | 5655 |
| 1000 | 20 | 85 | 115 | 170 | 255 | 430 | 715 |
| 700 | 110 | 530 | 710 | 1060 | 1590 | 2655 | 4425 |
| 800 | 80 | 410 | 550 | 825 | 1235 | 2055 | 3430 |
| 850 | 65 | 320 | 425 | 640 | 955 | 1595 | 2655 |
| 900 | 50 | 230 | 305 | 460 | 690 | 1150 | 1915 |
| 950 | 35 | 135 | 185 | 275 | 410 | 685 | 1145 |
Reducing Flange Weight Chart
| NPS | O D |
Schedule 10 |
Schedule 20 |
Schedule 30 |
Schedule. Wall |
Schedule 40 |
Schedule 60 |
Extra Strong |
Schedule 80 |
Schedule 100 |
Schedule 120 |
Schedule 140 |
Schedule 160 |
Double Extra Strong |
| 1/2 | 0.840 | 0.674 | 0.622 | 0.622 | 0.546 | 0.546 | 0.464 | 0.252 | ||||||
| 3/4 | 1.050 | 0.884 | 0.824 | 0.824 | 0.742 | 0.742 | 0.612 | 0.434 | ||||||
| 1 | 1.315 | 1.097 | 1.049 | 1.049 | 0.957 | 0.957 | 0.815 | 0.599 | ||||||
| 1.1/4 | 1.660 | 1.442 | 1.380 | 1.380 | 1.278 | 1.278 | 1.160 | 0.896 | ||||||
| 1.1/2 | 1.900 | 1.682 | 1.610 | 1.610 | 1.500 | 1.500 | 1.338 | 1.100 | ||||||
| 2 | 2.375 | 2.157 | 2.067 | 2.067 | 1.939 | 1.939 | 1.687 | 1.503 | ||||||
| 2.1/2 | 2.875 | 2.635 | 2.469 | 2.469 | 2.323 | 2.323 | 2.125 | 1.771 | ||||||
| 3 | 3.500 | 3.260 | 3.068 | 3.068 | 2.900 | 2.900 | 2.624 | 2.300 | ||||||
| 3-1/2 | 4.000 | 3.760 | 3.548 | 3.548 | 3.364 | 3.364 | 2.728 | |||||||
| 4 | 4.500 | 4.260 | 4.026 | 4.026 | 3.826 | 3.826 | 3.624 | 3.438 | 3.152 | |||||
| 5 | 5.563 | 5.295 | 5.047 | 5.047 | 4.813 | 4.813 | 4.563 | 4.313 | 4.063 | |||||
| 6 | 6.625 | 6.357 | 6.065 | 6.065 | 5.761 | 5.761 | 5.501 | 5.187 | 4.897 | |||||
| 20 | 20.000 | 19.500 | 19.250 | 19.000 | 19.250 | 18.812 | 18.376 | 19.000 | 17.938 | 17.438 | 17.000 | 16.500 | 16.062 | |
| 8 | 8.625 | 8.329 | 8.125 | 8.071 | 7.981 | 7.981 | 7.813 | 7.625 | 7.625 | 7.437 | 7.187 | 7.001 | 6.813 | 6.875 |
| 12 | 12.750 | 12.390 | 12.250 | 12.090 | 12.000 | 11.938 | 11.626 | 11.750 | 11.374 | 11.062 | 10.750 | 10.500 | 10.126 | 10.750 |
| 14 | 14.000 | 13.500 | 13.376 | 13.250 | 13.250 | 13.124 | 12.812 | 13.000 | 12.500 | 12.124 | 11.814 | 11.500 | 11.188 | |
| 10 | 10.750 | 10.420 | 10.250 | 10.136 | 10.020 | 10.020 | 9.750 | 9.750 | 9.562 | 9.312 | 9.062 | 8.750 | 8.500 | 8.750 |
| 16 | 16.000 | 15.500 | 15.376 | 15.250 | 15.250 | 15.000 | 14.688 | 15.000 | 14.312 | 13.938 | 13.564 | 13.124 | 12.812 | |
| 18 | 18.000 | 17.500 | 17.376 | 17.124 | 17.250 | 16.876 | 16.500 | 17.000 | 16.124 | 15.688 | 15.250 | 14.876 | 14.438 | |
| 24 | 24.000 | 23.500 | 23.250 | 22.876 | 23.250 | 22.624 | 22.062 | 23.000 | 21.562 | 20.938 | 20.376 | 19.876 | 19.312 | |
| 30 | 30.000 | 29.376 | 29.000 | 28.750 | 29.250 | 29.000 | ||||||||
| 36 | 36.000 | 35.376 | 35.000 | 34.750 | 35.250 | 34.500 | 35.000 | |||||||
| 42 | 42.000 | 41.250 | 41.000 |
150# Reducing Flange Dimensions
| Nominal Pipe Size | Diameter | Thickness | Diameter | Welding | Minimum | Minimum | Minimum | Nexk | Welding | Joint | ||||
| DN | O | T | A | B | C | D | E | F | G | H | ||||
| 15 | 133 | 30.5 | 34.9 | 22.2 | 22.9 | 23.5 | 73.0 | 40 | 40 | |||||
| 3/4 | 5.50 | 1.25 | 1.69 | 1.09 | 1.11 | 1.14 | 3.12 | 1.69 | 1.69 | |||||
| 20 | 140 | 32.0 | 42.9 | 27.8 | 28.2 | 29.0 | 79.4 | 43 | 43 | |||||
| 1 | 6.25 | 1.38 | 2.00 | 1.36 | 1.38 | 1.41 | 3.50 | 1.88 | 1.88 | |||||
| 1/2 | 5.25 | 1.19 | 1.38 | 0.88 | .90 | 0.93 | 2.88 | 1.56 | 1.56 | |||||
| 25 | 159 | 35.0 | 50.8 | 34.5 | 34.9 | 36.0 | 88.9 | 48 | 48 | |||||
| 32 | 184 | 38.5 | 63.5 | 43.3 | 43.7 | 44.5 | 95.2 | 52 | 52 | |||||
| 1 1/2 | 8.00 | 1.75 | 2.88 | 1.95 | 1.97 | 1.99 | 4.38 | 2.38 | 2.38 | |||||
| 40 | 203 | 44.5 | 73.0 | 49.6 | 50.0 | 50.5 | 111.4 | 60 | 60 | |||||
| 1 1/4 | 7.25 | 1.50 | 2.50 | 1.70 | 1.72 | 1.75 | 3.75 | 2.06 | 2.06 | |||||
| 2 | 9.25 | 2.00 | 3.62 | To be | 2.44 | 2.46 | 2.50 | 5.00 | 2.75 | 2.75 | ||||
| 50 | 235 | 51.0 | 92.1 | 61.9 | 62.5 | 63.5 | 127.0 | 70 | 70 | |||||
| 65 | 267 | 57.5 | 104.8 | 74.6 | 75.4 | 76 | 142.9 | 79 | 79 | |||||
| 3 | 12.00 | 2.62 | 5.00 | by | 3.57 | 3.60 | 3.63 | 6.62 | 3.62 | 3.62 | ||||
| 2 1/2 | 10.50 | 2.25 | 4.12 | specified | 2.94 | 2.97 | 3.00 | 5.62 | 3.12 | 3.12 | ||||
| 80 | 305 | 67.0 | 127.0 | 90.7 | 91.4 | 92 | 168.2 | 92 | 92 | |||||
| 100 | 356 | 76.5 | 157.2 | 116.1 | 116.8 | 118 | 190.5 | 108 | 108 | |||||
| 5 | 16.50 | 3.62 | 7.31 | 5.66 | 5.69 | 5.69 | 9.00 | 5.12 | 5.12 | |||||
| 125 | 419 | 92.5 | 185.7 | 143.7 | 144.5 | 145 | 228.6 | 130 | 130 | |||||
| 4 | 14.00 | 3.00 | 6.19 | purchaser | 4.57 | 4.60 | 4.63 | 7.50 | 4.25 | 4.25 | ||||
| 6 | 19.00 | 4.25 | 8.50 | 6.72 | 6.75 | 6.75 | 10.75 | 6.0 | 6.0 | |||||
| 150 | 483 | 108.0 | 215.9 | 170.7 | 171.4 | 171 | 273.0 | 152 | 152 | |||||
| 8 | 21.75 | 5.00 | 10.62 | 8.72 | 8.75 | 8.75 | 12.50 | 7.0 | 7.0 | |||||
| 10 | 26.50 | 6.50 | 12.75 | 10.88 | 10.92 | 10.88 | 16.50 | 9.0 | 9.0 | |||||
| 250 | 675 | 165.5 | 323.8 | 276.2 | 277.4 | 276 | 419.4 | 229 | 229 | |||||
| 12 | 30.00 | 7.25 | 15.00 | 12.88 | 12.92 | 12.94 | 18.25 | 10.0 | 10.0 | |||||
| 200 | 552 | 127.0 | 269.9 | 221.5 | 222.2 | 222 | 317.5 | 178 | 178 | |||||
| 300 | 760 | 184.5 | 381.0 | 327.0 | 328.2 | 329 | 463.6 | 254 | 254 | |||||
Reducing Slip On Flange Dimensions
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| Normal Pipe Size | Diam. | Thick. | DIA. | Welding | Minimum | Minimum | Minimum | Neck | Welding | Joint | ||||
| DN | O | T | A | B | C | D | E | F | G | H | ||||
| 1/2 | 5.25 | 1.19 | 1.38 | 0.88 | .90 | 0.93 | 2.88 | 1.56 | 1.56 | |||||
| 15 | 133 | 30.5 | 34.9 | 22.2 | 22.9 | 23.5 | 73.0 | 40 | 40 | |||||
| 3/4 | 5.50 | 1.25 | 1.69 | 1.09 | 1.11 | 1.14 | 3.12 | 1.69 | 1.69 | |||||
| 20 | 140 | 32.0 | 42.9 | 27.8 | 28.2 | 29.0 | 79.4 | 43 | 43 | |||||
| 1 | 6.25 | 1.38 | 2.00 | 1.36 | 1.38 | 1.41 | 3.50 | 1.88 | 1.88 | |||||
| 25 | 159 | 35.0 | 50.8 | 34.5 | 34.9 | 36.0 | 88.9 | 48 | 48 | |||||
| 1 1/4 | 7.25 | 1.50 | 2.50 | 1.70 | 1.72 | 1.75 | 3.75 | 2.06 | 2.06 | |||||
| 32 | 184 | 38.5 | 63.5 | 43.3 | 43.7 | 44.5 | 95.2 | 52 | 52 | |||||
| 1 1/2 | 8.00 | 1.75 | 2.88 | 1.95 | 1.97 | 1.99 | 4.38 | 2.38 | 2.38 | |||||
| 40 | 203 | 44.5 | 73.0 | 49.6 | 50.0 | 50.5 | 111.4 | 60 | 60 | |||||
| 2 | 9.25 | 2.00 | 3.62 | To be | 2.44 | 2.46 | 2.50 | 5.00 | 2.75 | 2.75 | ||||
| 50 | 235 | 51.0 | 92.1 | 61.9 | 62.5 | 63.5 | 127.0 | 70 | 70 | |||||
| 2 1/2 | 10.50 | 2.25 | 4.12 | specified | 2.94 | 2.97 | 3.00 | 5.62 | 3.12 | 3.12 | ||||
| 65 | 267 | 57.5 | 104.8 | 74.6 | 75.4 | 76 | 142.9 | 79 | 79 | |||||
| 3 | 12.00 | 2.62 | 5.00 | by | 3.57 | 3.60 | 3.63 | 6.62 | 3.62 | 3.62 | ||||
| 80 | 305 | 67.0 | 127.0 | 90.7 | 91.4 | 92 | 168.2 | 92 | 92 | |||||
| 4 | 14.00 | 3.00 | 6.19 | purchaser | 4.57 | 4.60 | 4.63 | 7.50 | 4.25 | 4.25 | ||||
| 100 | 356 | 76.5 | 157.2 | 116.1 | 116.8 | 118 | 190.5 | 108 | 108 | |||||
| 5 | 16.50 | 3.62 | 7.31 | 5.66 | 5.69 | 5.69 | 9.00 | 5.12 | 5.12 | |||||
| 125 | 419 | 92.5 | 185.7 | 143.7 | 144.5 | 145 | 228.6 | 130 | 130 | |||||
| 6 | 19.00 | 4.25 | 8.50 | 6.72 | 6.75 | 6.75 | 10.75 | 6.0 | 6.0 | |||||
| 150 | 483 | 108.0 | 215.9 | 170.7 | 171.4 | 171 | 273.0 | 152 | 152 | |||||
| 8 | 21.75 | 5.00 | 10.62 | 8.72 | 8.75 | 8.75 | 12.50 | 7.0 | 7.0 | |||||
| 200 | 552 | 127.0 | 269.9 | 221.5 | 222.2 | 222 | 317.5 | 178 | 178 | |||||
| 10 | 26.50 | 6.50 | 12.75 | 10.88 | 10.92 | 10.88 | 16.50 | 9.0 | 9.0 | |||||
| 250 | 675 | 165.5 | 323.8 | 276.2 | 277.4 | 276 | 419.4 | 229 | 229 | |||||
| 12 | 30.00 | 7.25 | 15.00 | 12.88 | 12.92 | 12.94 | 18.25 | 10.0 | 10.0 | |||||
| 300 | 760 | 184.5 | 381.0 | 327.0 | 328.2 | 329 | 463.6 | 254 | 254 | |||||