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Slip on Flanges / SO Flanges

Slip on Raised Face Flanges / SORF Flanges Manufacturer & Supplier

Stainless Steel Slip on Flanges Supplier, Carbon Steel Slip on Flanges Stockiest, Alloy Steel Slip on Flanges Wholesaler, Nickel Alloy Slip on Flanges Dealer in India

Nakshatra Steel & Alloys is one of the leading manufacturer and supplier of quality Slip on Flanges in India. These Slip on Flanges or SO Flanges can be fabricated by cutting a pipe. One can cut a pipe to one’s desired length with ease. They are generally lower in price as compared to the weld neck flanges and most popular choice for our customers.

We have a wide variety of Slip on Pipe Flanges with exceptional quality and comes in various materials such as carbon steel slip on flanges and stainless steel slip on flanges, special flanges like alloy steel flanges and nickel alloy flanges and many more.

In a Slip on Raised Face Flange, the diameter of the inside pipe is larger than the diameter of the outside pipe. The name of the pipe itself illustrates that it is fashioned in a manner to slip over the pipe. To avert leakage concerns, the SORF Flange is comprehensively welded both inside and outside.

Our Slip on Flanges are generally categorized into two, hub pipe flanges and ring pipe flanges. Some of their industrial applications include oil refineries, power generation, shipbuilding, wastewater treatment plants, petrochemical plants, pharmaceutical plants, and paper mills. . Prompt delivery is contributed by Nakshatra Steel & Alloys. These flanges are exported by us to many countries across the globe at best market price.

Steel Flanges
Flanges

Slip on Flanges Specifications:

Size : ½" (15 NB) to 48" (1200NB)
Class : 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.
Standards : ANSI B16.5, ANSI B16.47, ANSI B16.36, ANSI B16.48, BS 4504, EN1092, UNI 2277/2278, DIN
Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Coating/Surface Treatment : Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized

Grade specifications of Slip on Flanges

Stainless Steel Slip On Raised Face Flanges
Standard ASTM A182 , A240
Grades F 304, 304L, 304H, 316, 316Ti, 316H, 316L, 316LN, 309S, 309H, 310S, 310H,317, 317L, 321, 321H, 347, 347H, 201, 202, 904L
Carbon Steel Slip On Raised Face Flanges
Standard ASTM A105
Grades Gr. F42,46,52,56,60,65,70
Alloy Steel Slip On Raised Face Flanges
Standard ASTM A182
Grades F1,F5,F9,F11,F22,F91
Nickel Alloy Steel Slip On Raised Face Flanges
Standard ASTM SB564, SB160, SB472, SB162
Grades Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020),
Copper Alloy Slip On Raised Face Flanges
Standard ASTM SB 61 , SB62 , SB151 , SB152
Grades UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 10100, 10200, 10300, 10800, 12000, 12200,
Duplex Steel Slip-On Raised Face Flanges
Standard ASTM A182, A240
Grades UNS F 44, F 45, F51, F 53, F 55, F 60, F 61

Slip on Flange Dimensions – ANSI/ASME B16.5 Class 150 to Class 1500

ANSI/ASME B16.5 Class 150 Slip-on Flange Dimensions

ANSI/ASME B16.5 Class 150 Slip-on Flange Dimensions

Size in Inch Size in mm Outer Dia. Flange Thick. Hub OD Flange Length RF Dia. RF Height PCD Socket Bore No of Bolts Bolt Size UNC Machine Bolt Length RF Stud Length Hole Size ISO Stud Size Weight in kg
A B C D E F G H
1/2 15 90 9.6 30 14 34.9 2 60.3 22.2 4 1/2 50 55 5/8 M14 0.8
3/4 20 100 11.2 38 14 42.9 2 69.9 27.7 4 1/2 50 65 5/8 M14 0.9
1 25 110 12.7 49 16 50.8 2 79.4 34.5 4 1/2 55 65 5/8 M14 0.9
1 1/4 32 115 14.3 59 19 63.5 2 88.9 43.2 4 1/2 55 70 5/8 M14 1.4
1 1/2 40 125 15.9 65 21 73 2 98.4 49.5 4 1/2 65 70 5/8 M14 1.4
2 50 150 17.5 78 24 92.1 2 120.7 61.9 4 5/8 70 85 3/4 M16 2.3
2 1/2 65 180 20.7 90 27 104.8 2 139.7 74.6 4 5/8 75 90 3/4 M16 3.2
3 80 190 22.3 108 29 127 2 152.4 90.7 4 5/8 75 90 3/4 M16 3.7
3 1/2 90 215 22.3 122 30 139.7 2 177.8 103.4 8 5/8 75 90 3/4 M16 5
4 100 230 22.3 135 32 157.2 2 190.5 116.1 8 5/8 75 90 3/4 M16 5.9
5 125 255 22.3 164 35 185.7 2 215.9 143.8 8 3/4 85 95 7/8 M20 6.8
6 150 280 23.9 192 38 215.9 2 241.3 170.7 8 3/4 85 100 7/8 M20 8.6
8 200 345 27 246 43 269.9 2 298.5 221.5 8 3/4 90 110 7/8 M20 13.7
10 250 405 28.6 305 48 323.8 2 362 276.2 12 7/8 100 115 1 M24 19.5
12 300 485 30.2 365 54 381 2 431.8 327 12 7/8 100 120 1 M24 29
14 350 535 33.4 400 56 412.8 2 476.3 359.2 12 1 115 135 1 1/8 M27 41
16 400 595 35 457 62 469.9 2 539.8 410.5 16 1 115 135 1 1/8 M27 54
18 450 635 38.1 505 67 533.4 2 577.9 461.8 16 1 1/8 125 145 1 1/4 M30 59
20 500 700 41.3 559 71 584.2 2 635 513.1 20 1 1/8 140 160 1 1/4 M30 75
24 600 815 46.1 663 81 692.2 2 749.3 616 20 1 1/4 150 170 1 3/8 M33 100

ANSI/ASME B16.5 Class 300 Slip-on Flange Dimensions

ANSI/ASME B16.5 Class 300 Slip-on Flange Dimensions

Size in Inch Size in mm Outer Dia. Flange Thick. Hub OD Flange Length RF Dia. RF Height PCD Socket Bore No of Bolts Bolt Size UNC Machine Bolt Length RF Stud Length Hole Size ISO Stud Size Weight in kg
A B C D E F G H
1/2 15 95 12.7 38 21 34.9 2 66.7 22.2 4 1/2 55 65 5/8 M14 1.2
3/4 20 115 14.3 48 24 42.9 2 82.6 27.7 4 5/8 65 75 3/4 M16 1.4
1 25 125 15.9 54 25 50.8 2 88.9 34.5 4 5/8 65 75 3/4 M16 1.4
1 1/4 32 135 17.5 64 25 63.5 2 98.4 43.2 4 5/8 70 85 3/4 M16 1.8
1 1/2 40 155 19.1 70 29 73 2 114.3 49.5 4 3/4 75 90 7/8 M20 2.7
2 50 165 20.7 84 32 92.1 2 127 61.9 8 5/8 75 90 3/4 M16 3.2
2 1/2 65 190 23.9 100 37 104.8 2 149.2 74.6 8 3/4 85 100 7/8 M20 4.6
3 80 210 27 117 41 127 2 168.3 90.7 8 3/4 90 110 7/8 M20 5.9
3 1/2 90 230 28.6 133 43 139.7 2 184.2 103.4 8 3/4 95 110 7/8 M20 7.7
4 100 255 30.2 146 46 157.2 2 200 116.8 8 3/4 95 115 7/8 M20 10
5 125 280 33.4 178 49 185.7 2 235 144.4 8 3/4 110 120 7/8 M20 12.7
6 150 320 35 206 51 215.9 2 269.9 171.4 12 3/4 110 120 7/8 M20 17.7
8 200 380 39.7 260 60 269.9 2 330.2 222.2 12 7/8 120 140 1 M24 26
10 250 445 46.1 321 65 323.8 2 387.4 277.4 16 1 140 160 1 1/8 M27 36
12 300 520 49.3 375 71 381 2 450.8 328.2 16 1 1/8 145 170 1 1/4 M30 52
14 350 585 52.4 425 75 412.8 2 514.4 360.2 20 1 1/8 160 180 1 1/4 M30 75
16 400 650 55.6 483 81 469.9 2 571.5 411.2 20 1 1/4 165 190 1 3/8 M33 86
18 450 710 58.8 533 87 533.4 2 628.6 462.3 24 1 1/4 170 195 1 3/8 M33 113
20 500 775 62 587 94 584.2 2 685.8 514.4 24 1 1/4 185 205 1 3/8 M33 143
24 600 915 68.3 702 105 692.2 2 812.8 616 24 1 1/2 205 230 1 5/8 M39 216

ANSI/ASME B16.5 Class 400 Slip-on Flange Dimensions

ANSI/ASME B16.5 Class 400 Slip-on Flange Dimensions

Size in Inch Size in mm Outer Dia. Flange Thick. Hub OD Flange Length RF Dia. RF Height PCD Socket Bore No of Bolts Bolt Size UNC RF Stud Length Hole Size ISO Stud Size Weight in kg
A B C D E F G H
1/2 15 95 14.3 38 22 34.9 7 66.7 22.2 4 1/2 75 5/8 M14 1.3
3/4 20 115 15.9 48 25 42.9 7 82.6 27.7 4 5/8 90 3/4 M16 1.5
1 25 125 17.5 54 27 50.8 7 88.9 34.5 4 5/8 90 3/4 M16 1.8
1 1/4 32 135 20.7 64 29 63.5 7 98.4 43.2 4 5/8 95 3/4 M16 2.3
1 1/2 40 155 22.3 70 32 73 7 114.3 49.5 4 3/4 110 7/8 M20 3.2
2 50 165 25.4 84 37 92.1 7 127 61.9 8 5/8 110 3/4 M16 4.1
2 1/2 65 190 28.6 100 41 104.8 7 149.2 74.6 8 3/4 120 7/8 M20 5.9
3 80 210 31.8 117 46 127 7 168.3 90.7 8 3/4 125 7/8 M20 7.3
4 100 255 35 146 51 157.2 7 200 116.1 8 7/8 140 1 M24 11.8
5 125 280 38.1 178 54 185.7 7 235 143.8 8 7/8 145 1 M24 14.1
6 150 320 41.3 206 57 215.9 7 269.9 170.7 12 7/8 150 1 M24 20
8 200 380 47.7 260 68 269.9 7 330 221.5 12 1 170 1 1/8 M27 31
10 250 445 54 321 73 323.8 7 387.4 276.2 16 1 1/8 190 1 1/4 M30 42
12 300 520 57.2 375 79 381 7 450.8 327 16 1 1/4 205 1 3/8 M33 59
14 350 585 60.4 425 84 412.8 7 514.4 359.2 20 1 1/4 210 1 3/8 M33 82
16 400 650 63.5 483 94 469.9 7 571.5 410.5 20 1 3/8 220 1 1/2 M36 107
18 450 710 66.7 533 98 533.4 7 628.6 461.8 24 1 3/8 230 1 1/2 M36 130
20 500 775 69.9 587 102 584.2 7 685.8 513.1 24 1 1/2 240 1 3/4 M39 157
24 600 915 76.2 702 114 692.2 7 812.8 616 24 1 3/4 265 1 7/8 M45 232

ANSI/ASME B16.5 Class 600 Slip-on Flange Dimensions

ANSI/ASME B16.5 Class 600 Slip-on Flange Dimensions

Size in Inch Size in mm Outer Dia. Flange Thick. Hub OD Flange Length RF Dia. RF Height PCD Socket Bore No of Bolts Bolt Size UNC RF Stud Length Hole Size ISO Stud Size Weight in kg
A B C D E F G H
1/2 15 95 14.3 38 22 34.9 7 66.7 22.2 4 1/2 75 5/8 M14 1.3
3/4 20 115 15.9 48 25 42.9 7 82.6 27.7 4 5/8 90 3/4 M16 1.4
1 25 125 17.5 54 27 50.8 7 88.9 34.5 4 5/8 90 3/4 M16 1.8
1 1/4 32 135 20.7 64 29 63.5 7 98.4 43.2 4 5/8 95 3/4 M16 2.3
1 1/2 40 155 22.3 70 32 73 7 114.3 49.5 4 3/4 110 7/8 M20 3.2
2 50 165 25.4 84 37 92.1 7 127 61.9 8 5/8 110 3/4 M16 4.1
2 1/2 65 190 28.6 100 41 104.8 7 149.2 74.6 8 3/4 120 7/8 M20 5.9
3 80 210 31.8 117 46 127 7 168.3 90.7 8 3/4 125 7/8 M20 7.3
4 100 275 38.1 152 54 157.2 7 215.9 116.1 8 7/8 145 1 M24 16.8
5 125 330 44.5 189 60 185.7 7 266.7 143.8 8 1 165 1 1/8 M27 29
6 150 355 47.7 222 67 215.9 7 292.1 170.7 12 1 170 1 1/8 M27 36
8 200 420 55.6 273 76 269.9 7 349.2 221.5 12 1 1/8 190 1 1/4 M30 52
10 250 510 63.5 343 86 323.8 7 431.8 276.2 16 1 1/4 215 1 3/8 M33 77
12 300 560 66.7 400 92 381 7 489 327 20 1 1/4 220 1 3/8 M33 91
14 350 605 69.9 432 94 412.8 7 527 359.2 20 1 3/8 235 1 1/2 M36 105
16 400 685 76.2 495 106 469.9 7 603.2 410.5 20 1 1/2 255 1 5/8 M39 150
18 450 745 82.6 546 117 533.4 7 654 461.8 20 1 5/8 275 1 3/4 M42 182
20 500 815 88.9 610 127 584.2 7 723.9 513.1 24 1 5/8 285 1 3/4 M42 232
24 600 940 101.6 718 140 692.2 7 838.2 616 24 1 7/8 330 2 M48 332

ANSI/ASME B16.5 Class 900 Slip-on Flange Dimensions

ANSI/ASME B16.5 Class 900 Slip-on Flange Dimensions

Size in Inch Size in mm Outer Dia. Flange Thick. Hub OD Flange Length RF Dia. RF Height PCD Socket Bore No of Bolts Bolt Size UNC RF Stud Length Hole Size ISO Stud Size Weight in kg
A B C D E F G H
1/2 15 120 22.3 38 32 34.9 7 82.6 22.2 4 3/4 110 7/8 M20 1.8
3/4 20 130 25.4 44 35 42.9 7 88.9 27.7 4 3/4 115 7/8 M20 2.3
1 25 150 28.6 52 41 50.8 7 101.6 34.5 4 7/8 125 1 M24 3.6
1 1/4 32 160 28.6 64 41 63.5 7 111.1 43.2 4 7/8 125 1 M24 4.1
1 1/2 40 180 31.8 70 44 73 7 123.8 49.5 4 1 140 1 1/8 M27 5.5
2 50 215 38.1 105 57 92.1 7 165.1 61.9 8 7/8 145 1 M24 11.5
2 1/2 65 245 41.3 124 64 104.8 7 190.5 74.6 8 1 160 1 1/8 M27 16.5
3 80 240 38.1 127 54 127 7 190.5 90.7 8 7/8 145 1 M24 12
4 100 290 44.5 159 70 157.2 7 235 116.1 8 1 1/8 170 1 1/4 M30 24
5 125 350 50.8 190 79 185.7 7 279.4 143.8 8 1 1/4 190 1 3/8 M33 38
6 150 380 55.6 235 86 215.9 7 317.5 170.7 12 1 1/8 190 1 1/4 M30 50
8 200 470 63.5 298 102 269.9 7 393.7 221.5 12 1 3/8 220 1 1/2 M36 78
10 250 545 69.9 368 108 323.8 7 469.9 276.2 16 1 3/8 235 1 1/2 M36 112
12 300 610 79.4 419 117 381 7 533.4 327 20 1 3/8 255 1 1/2 M36 148
14 350 640 85.8 451 130 412.8 7 558.8 359.2 20 1 1/2 275 1 5/8 M39 182
16 400 705 88.9 508 133 469.9 7 616 410.5 20 1 5/8 285 1 3/4 M42 193
18 450 785 101.6 565 152 533.4 7 685.8 461.8 20 1 7/8 325 2 M48 258
20 500 855 108 622 159 584.2 7 749.3 513.1 20 2 350 2 1/8 M52 317
24 600 1040 139.7 749 203 692.2 7 901.7 616 20 2 1/2 440 2 5/8 M64 608

ANSI/ASME B16.5 Class 1500 Slip-on Flange Dimensions

ANSI/ASME B16.5 Class 1500 Slip-on Flange Dimensions

Size in Inch Size in mm Outer Dia. Flange Thick. Hub OD Flange Length RF Dia. RF Height PCD Socket Bore No of Bolts Bolt Size UNC RF Stud Length Hole Size ISO Stud Size Weight in kg
A B C D E F G H
1/2 15 120 22.3 38 32 34.9 7 82.6 22.2 4 3/4 110 7/8 M20 1.8
3/4 20 130 25.4 44 35 42.9 7 88.9 27.7 4 3/4 115 7/8 M20 2.3
1 25 150 28.6 52 41 50.8 7 101.6 34.5 4 7/8 125 1 M24 3.7
1 1/4 32 160 28.6 64 41 63.5 7 111.1 43.2 4 7/8 125 1 M24 4.1
1 1/2 40 180 31.8 70 44 73 7 123.8 49.5 4 1 140 1 1/8 M27 5.5
2 50 215 38.1 105 57 92.1 7 165.1 61.9 8 7/8 145 1 M24 9.8
2 1/2 65 245 41.3 124 64 104.8 7 190.5 74.6 8 1 160 1 1/8 M27 16.4

Types of Slip on Flanges

ANSI B16.5 Slip-On Flanges ANSI B16.5 Class 150 Slip-On Flanges
ANSI B16.5 Class 300 Slip-On Flanges ANSI B16.5 Class 400 Slip-On Flanges
ANSI B16.5 Class 600 Slip-On Flanges ANSI B16.5 Class 900 Slip-On Flanges
ANSI B16.5 Class 1500 Slip-On Flanges ANSI B16.5 Class 2500 Slip-On Flanges
Industry Standard Class 75 Slip-On Flanges Industry Standard Class 125 Light-weight Slip-On Flanges
Industry Standard Class 125/150 Slip-On Flanges Industry Standard Class 150 Slip-On Flanges
Industry Standard Class 175 Slip-On Flanges Industry Standard Class 250 Slip-On Flanges
Industry Standard Class 300 Slip-On Flanges Industry Standard Class 350 Slip-On Flanges
Plate Slip-On Flanges Ring Type Joint Slip-On Flanges
Drawing Slip-On Flanges Square Slip-On Flanges
Nipo Slip-On Flanges Reducing Slip-On Flanges
Forged Slip-On Flanges ASME B16.47 Series A Slip-On Flanges
ASME B16.47 Series B Slip-On Flanges ANSI B16.36 Orifice Slip-On Flanges
150Lbs Slip-On Flanges 300Lbs Slip-On Flanges
600Lbs Slip-On Flanges 900Lbs Slip-On Flanges
1500Lbs Slip-On Flanges 2500Lbs Slip-On Flanges
DIN Slip-On Flanges PN6-PN40 Stainless Steel Slip-On Flanges

Call +91 9833263204 or Click here to send enquiry for Slip on Flanges

Slip on Flanges Exporters & Suppliers

Exporting Slip on Flanges to Countries

We are exporting Slip on Flanges to Kuwait, Yemen, Slovakia, Iran, Angola, Portugal, Romania, Serbia, China, Saudi Arabia, Afghanistan, Croatia, Lithuania, Poland, Zimbabwe, Peru, Macau, Japan, Philippines, Singapore, Mexico, Mongolia, Hong Kong, Norway, Israel, Bangladesh, Bhutan, Kenya, South Korea, Switzerland, Thailand, Gabon, Italy, Mexico, Sri Lanka, Netherlands, Turkey, Czech Republic, Tibet, Australia, Morocco, Nepal, Denmark, Iran, United Arab Emirates, Jordan, Belarus, Russia, Chile, Ukraine, Oman, Kazakhstan, Taiwan, Argentina, Finland, Chile, Ghana, Azerbaijan, Brazil, Ireland, Nigeria, Indonesia, Ecuador, Lebanon, Gambia, Sweden, Bulgaria, Hungary, India, United Kingdom, Vietnam, Greece, United States, France, Spain, Libya, Pakistan, Canada, Namibia, Poland, Bahrain, Bolivia, Venezuela, Qatar, Iraq, Austria, Belgium, Nigeria, Germany, South Africa, Malaysia, Egypt, Algeria, Costa Rica, Estonia, Trinidad & Tobago,Tunisia, Puerto Rico, New Zealand, Colombia. We can export almost to any country.

Industries We Serve

We are supplying Slip on Flanges to Chemicals, Petrochemicals, Oil & Natural Gas Organization, Fats, Fertilizers, Sugar Mills & Distilleries, Cement Industries, Ship Builders, Paper Industries, Pumps, Automation, Paints, Steel Industries, etc.