spectacle blind flange
Standard Specification For spectacle blind flange
- Dimensions :ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
- Size :1/2″ (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.
- DIN :DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636,DIN 2637, DIN 2638, DIN 2673
- BS : BS 4504 , BS 4504, BS 1560, BS 10
- PN :PN6, PN10, PN16, PN25, PN40
- Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Packaging of Flange
Packaging: Spectacle Blind Flange is sleeved into plastic bag individually, ten pieces wrapped with water-proof material, bundled with nylon rope. Clear labels are tagged on the outside of the package for easy identification of the quantity and product I.D. Great care is taken during operation and transportation.
Prevent any damage.
During transportation items are tagged, packed in plastic bags and closed in carton boxes or seaworthy wooden cases.
plywood case,pallet and according to customer’s requirment
Marking:Spectacle Blind Flange are marked with alloy name, outside diameter, wall thickness and heat number. Additional information like standard and alloy numbers can be added on request.
spectacle blind flange are simple safety devices that are installed between two pipe flanges. During normal operation, the open end is installed as a spacer to allow uninterrupted flow. To stop the flow in the pipeline, the blind end is rotated into place between the flanges.
Material & Grades of Spectacle Blind Flange :
- Stainless Steel Spectacle Blind Flange : ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L Spectacle Blind Flange
- Duplex & Super Duplex Steel Spectacle Blind Flange : ASTM A182 / ASME SA182 F44, F 45, F51, F 53, F 55, F 60, F 61 Spectacle Blind Flange
- Carbon Steel Spectacle Blind Flange : ASTM A105 / ASME SA105 ASTM / ASME A 350 , ASTM A181 LF2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F706 Spectacle Blind Flange
- Low Temperature Carbon Steel Spectacle Blind Flange: ASTM A350, LF2, LF3 Spectacle Blind Flange
- Alloy Steel Spectacle Blind Flange : ASTM A182 / ASME SA182 & A387 F1, F5, F9, F11, F12, F22, F91 Spectacle Blind Flange
- Copper Alloy Steel Spectacle Blind Flange : ASTM SB 61 , SB62 , SB151 , SB152 UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 10100, 10200, 10300, 10800, 12000, 12200
- Nickel Alloy Spectacle Blind Flange : ASTM SB564, SB160, SB472, SB162 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) Spectacle Blind Flange
ASME B16.5 Spectacle Blind Flange Available Types
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spectacle blind flange dimensions of ASME B16.11
Class 150 SPECTACLE BLINDS Flange
| NPS | Outside Ø A | Inside Ø B | Centerline C | Thickness t | Web Width W |
| 1/2 | 45 | 16 | 60 | 3 | 38 |
| 3/4 | 54 | 21 | 70 | 3 | 38 |
| 1 | 64 | 27 | 80 | 3 | 38 |
| 1¼ | 73 | 42 | 90 | 6.4 | 38 |
| 1½ | 83 | 48 | 100 | 6.4 | 38 |
| 2 | 102 | 61 | 120 | 6.4 | 51 |
| 2½ | 107 | 73 | 140 | 6.4 | 51 |
| 3 | 133 | 89 | 150 | 6.4 | 64 |
| 3½ | 159 | 102 | 175 | 9.7 | 64 |
| 4 | 172 | 114 | 190 | 9.7 | 64 |
| 5 | 194 | 141 | 215 | 9.7 | 76 |
| 6 | 219 | 168 | 240 | 12.7 | 76 |
| 8 | 276 | 219 | 300 | 12.7 | 76 |
| 10 | 337 | 273 | 360 | 15.7 | 102 |
| 12 | 406 | 324 | 430 | 19.1 | 102 |
| 14 | 448 | 356 | 475 | 19.1 | 108 |
| 16 | 511 | 406 | 460 | 22.4 | 108 |
| 18 | 546 | 457 | 580 | 25.4 | 114 |
| 20 | 603 | 508 | 635 | 28.4 | 121 |
| 24 | 714 | 610 | 750 | 31.8 | 140 |
| NPS | Outside Ø A | Inside Ø B | Centerline C | Thickness t | Web Width W |
Class 300 SPECTACLE BLINDS FLANGE
| NPS | Outside Ø A | Inside Ø B | Centerline C | Thickness t | Web Width W |
| 1/2 | 51 | 16 | 65 | 6.4 | 38 |
| 3/4 | 64 | 21 | 80 | 6.4 | 38 |
| 1 | 70 | 27 | 90 | 6.4 | 38 |
| 1¼ | 79 | 42 | 100 | 6.4 | 38 |
| 1½ | 92 | 48 | 115 | 6.4 | 38 |
| 2 | 108 | 61 | 125 | 9.7 | 51 |
| 2½ | 127 | 73 | 150 | 9.7 | 51 |
| 3 | 146 | 89 | 170 | 9.7 | 64 |
| 3½ | 162 | 102 | 185 | 12.7 | 64 |
| 4 | 178 | 114 | 200 | 12.7 | 64 |
| 5 | 213 | 141 | 235 | 15.7 | 76 |
| 6 | 248 | 168 | 270 | 15.7 | 76 |
| 8 | 305 | 219 | 330 | 22.4 | 76 |
| 10 | 359 | 273 | 385 | 25.4 | 102 |
| 12 | 419 | 324 | 450 | 28.4 | 102 |
| 14 | 483 | 356 | 515 | 31.8 | 108 |
| 16 | 536 | 406 | 570 | 38.1 | 108 |
| 18 | 594 | 457 | 630 | 41.1 | 114 |
| 20 | 651 | 508 | 685 | 44.5 | 121 |
| 24 | 772 | 610 | 810 | 50.8 | 140 |
| NPS | Outside Ø A | Inside Ø B | Centerline C | Thickness t | Web Width W |
Class 600 SPECTACLE BLINDS FLANGES
| NPS | Outside Ø A | Inside Ø B | Centerline C | Thickness t | Web Width W |
| 1/2 | 51 | 16 | 65 | 6.4 | 38 |
| 3/4 | 64 | 21 | 80 | 6.4 | 38 |
| 1 | 70 | 27 | 90 | 6.4 | 57 |
| 1¼ | 79 | 37 | 100 | 9.7 | 57 |
| 1½ | 92 | 43 | 115 | 9.7 | 67 |
| 2 | 108 | 55 | 125 | 9.7 | 57 |
| 2½ | 127 | 67 | 150 | 12.7 | 67 |
| 3 | 146 | 83 | 170 | 12.7 | 67 |
| 3½ | 159 | 96 | 185 | 15.7 | 76 |
| 4 | 191 | 108 | 215 | 15.7 | 76 |
| 5 | 238 | 135 | 265 | 19.1 | 86 |
| 6 | 264 | 162 | 290 | 22.4 | 86 |
| 8 | 318 | 212 | 350 | 28.4 | 95 |
| 10 | 397 | 265 | 430 | 35.1 | 105 |
| 12 | 454 | 315 | 490 | 41.1 | 105 |
| 14 | 489 | 346 | 525 | 44.5 | 114 |
| 16 | 562 | 397 | 605 | 50.8 | 124 |
| 18 | 610 | 448 | 655 | 53.8 | 133 |
| 20 | 679 | 497 | 725 | 63.5 | 133 |
| 24 | 787 | 597 | 840 | 73.2 | 152 |
| NPS | Outside Ø A | Inside Ø B | Centerline C | Thickness t | Web Width W |
Class 900 SPECTACLE BLINDS FLANGE
| NPS | Outside Ø A | Inside Ø B | Centerline C | Thickness t | Web Width W |
| 1/2 | 60 | 16 | 80 | 6.4 | 38 |
| 3/4 | 67 | 21 | 90 | 6.4 | 41 |
| 1 | 76 | 27 | 100 | 6.4 | 57 |
| 1¼ | 86 | 37 | 110 | 9.7 | 57 |
| 1½ | 95 | 43 | 125 | 9.7 | 67 |
| 2 | 140 | 55 | 165 | 12.7 | 57 |
| 2½ | 162 | 67 | 190 | 12.7 | 67 |
| 3 | 165 | 83 | 190 | 15.7 | 67 |
| 4 | 203 | 108 | 235 | 19.1 | 76 |
| 5 | 244 | 135 | 280 | 22.4 | 86 |
| 6 | 286 | 162 | 320 | 25.4 | 86 |
| 8 | 356 | 212 | 395 | 35.1 | 95 |
| 10 | 432 | 265 | 470 | 41.1 | 105 |
| 12 | 495 | 315 | 535 | 47.8 | 105 |
| 14 | 518 | 346 | 560 | 53.8 | 114 |
| 16 | 572 | 397 | 615 | 60.5 | 124 |
| 18 | 635 | 448 | 685 | 66.5 | 133 |
| 20 | 696 | 497 | 750 | 73.2 | 133 |
| 24 | 835 | 597 | 900 | 88.9 | 152 |
| NPS | Outside Ø A | Inside Ø B | Centerline C | Thickness t | Web Width W |
Class 1500 SPECTACLE BLINDS FLANGE
| NPS | Outside Ø A | Inside Ø B | Centerline C | Thickness t | Web Width W |
| 1/2 | 61 | 16 | 80 | 6.4 | 38 |
| 3/4 | 67 | 21 | 90 | 9.7 | 41 |
| 1 | 76 | 27 | 100 | 9.7 | 64 |
| 1¼ | 86 | 35 | 110 | 9.7 | 64 |
| 1½ | 95 | 41 | 125 | 12.7 | 70 |
| 2 | 140 | 53 | 165 | 12.7 | 70 |
| 2½ | 162 | 63 | 190 | 15.7 | 76 |
| 3 | 172 | 78 | 205 | 19.1 | 76 |
| 4 | 206 | 102 | 240 | 22.4 | 89 |
| 5 | 251 | 128 | 290 | 28.4 | 89 |
| 6 | 279 | 154 | 320 | 35.1 | 89 |
| 8 | 349 | 203 | 395 | 41.1 | 102 |
| 10 | 432 | 255 | 480 | 50.8 | 114 |
| 12 | 518 | 303 | 570 | 60.5 | 114 |
| 14 | 575 | 333 | 635 | 66.5 | 127 |
| 16 | 638 | 381 | 705 | 76.2 | 133 |
| 18 | 702 | 429 | 775 | 85.9 | 146 |
| 20 | 752 | 478 | 830 | 95.3 | 152 |
| 24 | 899 | 575 | 990 | 111.3 | 178 |
| NPS | Outside Ø A | Inside Ø B | Centerline C | Thickness t | Web Width W |
Class 2500 SPECTACLE BLINDS FLANGE
| NPS | Outside Ø A | Inside Ø B | Centerline C | Thickness t | Web Width W |
| 1/2 | 67 | 16 | 90 | 9.7 | 38 |
| 3/4 | 73 | 21 | 95 | 9.7 | 41 |
| 1 | 83 | 27 | 110 | 9.7 | 64 |
| 1¼ | 102 | 35 | 130 | 12.7 | 64 |
| 1½ | 114 | 41 | 145 | 15.7 | 70 |
| 2 | 143 | 53 | 170 | 15.7 | 70 |
| 2½ | 165 | 63 | 195 | 19.1 | 76 |
| 3 | 194 | 78 | 230 | 22.4 | 76 |
| 4 | 232 | 102 | 275 | 28.4 | 89 |
| 5 | 276 | 128 | 325 | 35.1 | 89 |
| 6 | 314 | 154 | 370 | 41.1 | 89 |
| 8 | 384 | 198 | 440 | 53.8 | 102 |
| 10 | 473 | 248 | 540 | 66.5 | 114 |
| 12 | 546 | 289 | 620 | 79.2 | 114 |
| NPS | Outside Ø A | Inside Ø B | Centerline C | Thickness t | Web Width W |
INDUSTRIES WE CATERS INDUSTRIAL FORGE FITTING
- Ronak Overseas has many years of experiance of export and supply of ASME B16.11 Forged Fittings that is extensively used in the following industries:
- Refineries
- Gas Processing
- Off-Shore Oil Drilling Companies
- Petrochemicals
- Hydro-Carbon
- Fertilizers
- Paper & Pulp Companies
- Power Generation
- Specialty Chemicals
- Pharmaceuticals
- Drugs
- Steel
- Cement
- Water Pipe Line
- Pesticides
- General Piping
- Construction
- Engineering
- Nuclear
- Food Processing & Dairy
- boiler & heatexchangers