Plate Flanges
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About Plate Flanges
Plain flange also referred to as Plate Flange Jis 16k , is also known by various other names such as flat flange, plate slip on flange or a ring flange.A Plate Flange Jis 5k is very easy to recognize due to their slim and compact shape. A Plate Flange Asme B16.5 Class 300 looks like a flat circular disk, with an inner bore. This inner bore of the Plate Flange Din En 1092-1 has bolt holes on it. The Plate Flange Jis 10k slips over the pipe.
The inner hole of Plate Flange Awwa C207 Class D is a little bigger than the outer diameter of the pipe. Plate Flange Class 600 are usually secured to the pipe with a fillet weld at the bottom. And the top of Api 6A Plate Flange, they are supported with the help of the pipes. The welding method used on the Plate Flange Asme B16.5 is fillet weld. Hence, the Plate Flange A105 is not suitable for applications that involve the use of high pressure.
Dimensions of ANSI B16.5 Plate Flange
| Bore | Common Dimension | Raised Face | Drilling | Approx. Weight (Kg) |
|||||||
| Nominal Bore | d1 | D | t | K | d4 | f | Number of Bolts | x | d2 | DIN 2543 | |
| 10 |
14
|
90 | 14 | 60 | 40 | 2 | 4 | M12 | (1/2″) | 14 | 0.63 |
|
17.2*
|
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| 15 |
20
|
95 | 14 | 65 | 45 | 2 | 4 | M12 | (1/2″) | 14 | 0.72 |
|
21.3*
|
|||||||||||
| 20 |
25
|
105 | 16 | 75 | 58 | 2 | 4 | M12 | (1/2″) | 14 | 1.01 |
|
26.9*
|
|||||||||||
| 25 |
30
|
115 | 16 | 85 | 68 | 2 | 4 | M12 | (1/2″) | 14 | 1.23 |
|
33.7*
|
|||||||||||
| 32 |
38
|
140 | 16 | 100 | 78 | 2 | 4 | M16 | (5/8″) | 18 | 1.80 |
|
42.4*
|
|||||||||||
| 40 |
44.5
|
150 | 16 | 110 | 88 | 3 | 4 | M16 | (5/8″) | 18 | 2.09 |
|
48.3*
|
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| 50 |
57
|
165 | 18 | 125 | 102 | 3 | 4 | M16 | (5/8″) | 18 | 2.88 |
|
60.3*
|
|||||||||||
| 65 |
76.1*
|
185 | 18 | 145 | 122 | 3 | 4 | M16 | (5/8″) | 18 | 3.66 |
| 80 |
88.9
|
200 | 20 | 160 | 138 | 3 | 8 | M16 | (5/8″) | 18 | 4.77 |
| 100 |
108
|
220 | 20 | 180 | 158 | 3 | 8 | M16 | (5/8″) | 18 | 5.65 |
|
114.3*
|
|||||||||||
| 125 |
133
|
250 | 22 | 210 | 188 | 3 | 8 | M16 | (5/8″) | 18 | 8.42 |
|
139.7*
|
|||||||||||
| 150 |
159
|
285 | 22 | 240 | 212 | 3 | 8 | M20 | (3/4″) | 23 | 10.4 |
|
168.3*
|
|||||||||||
| 200 |
216
|
340 | 24 | 295 | 268 | 3 | 12 | M20 | (3/4″) | 23 | 16.1 |
|
219.1*
|
|||||||||||
| 250 |
267
|
405 | 26 | 355 | 320 | 3 | 12 | M24 | (7/8″) | 27 | 24.9 |
|
273*
|
|||||||||||
| 300 |
318
|
460 | 28 | 410 | 378 | 4 | 12 | M24 | (7/8″) | 27 | 35.1 |
|
323.9*
|
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| 350 |
355.6*
|
520 | 30 | 470 | 438 | 4 | 16 | M24 | (7/8″) | 27 | 47.8 |
|
368
|
|||||||||||
| 400 |
406.4*
|
580 | 32 | 525 | 490 | 4 | 16 | M27 | (1″) | 30 | 63.5 |
|
419
|
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| 500 |
508*
|
715 | 36 | 650 | 610 | 4 | 20 | M30 | (1-1/8″) | 33 | 102.0 |
Plate Flanges Material Grades
| Material | Grades |
|---|---|
| Stainless Steel | ASTM A182 F Gr.304, 304L, 304H, 309, 310, 316, 316L, 316Ti, 317L, 321, 347, 347H, 904L |
| Carbon Steel | ASTM / ASME A/SA 105, ASTM A181 LF2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F706 |
| LTCS | ASTM A350 / ASME SA350, LF2, LF3 |
| Alloy Steel | ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91 |
| Duplex Steel | ASTM A182, ASME SA 182 UNS S31803, UNS S32205 (Dual Certified). |
| Super Duplex Steel | ASTM A182, ASME SA 182, UNS S32750, UNS S32760, UNS S32790 |
| High Nickel Alloy | 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) |
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