DIN 2543 PN16 Flat Flange For Welding Slip On Flange
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DIN 2543 is a German standard for flanges, Flat Flange For Welding,also known as Slip on Flanges. It specifies the dimensions, tolerances, and material requirements for these flanges, which are commonly used in high-pressure systems such as piping and pressure vessels.
Now DIN 2543 has been replaced by EN 1092-1 standard
DIN 2543 Flanges specification
- Flange Type:
- Flat Flange For Welding,also known as Slip on Flanges
- Pressure Rating:
- The flanges are designed to handle various pressure classes, typically specified as PN (Pressure Nominal) ratings. Common PN ratings are PN 16
- Nominal Size:
- The nominal diameter of the flange is generally from DN 10 (10 mm) up to DN 1000 (1000 mm) or larger. The sizes are referenced by DN (Diameter Nominal), which corresponds to the nominal pipe size.
- Material:
- DIN 2543 flanges can be made from various materials, including carbon steel, stainless steel, alloy steels,
- stainless steel :A 182 F 304/304L/316/316L/321/347,
- Duplex F51/F53/F44/F55/F60/F61
- Alloy steel :A182 F5,F9,F11,F22
- Carbon steel:ASTM A 105, ST37.2 A 350 LF2,P265GH,P235GH,S235JR,
- ASTM A694/ A694M F42/F46/F52/F56/F60/F70
- Dimensions:
- The standard provides detailed dimensional specifications, including bolt hole diameter, number of bolt holes, bolt circle diameter, thickness, and other critical measurements.
- These dimensions ensure proper sealing and mechanical strength when bolted together with a corresponding flange.
Dimension of DIN 2543 PN16 Flat Flange For Welding Slip On Flange
& Approximate Masses |
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Germany standard flange DIN 2543 for soldering or welding Nominal Pressure 16
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Flansche, glatt zum löten oder schweißen DIN 2543 Nenndruck 16
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Brides plates a souder DIN 2543 pression nominale 16
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| Bore | Common Dimension | Raised Face | Drilling | Approx. Weight (Kg) |
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| Nominal Bore | d1 | D | t | K | d4 | f | Number of Bolts | x | d2 | DIN 2543 | |
| 10 |
14
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90 | 14 | 60 | 40 | 2 | 4 | M12 | (1/2″) | 14 | 0.63 |
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17.2*
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| 15 |
20
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95 | 14 | 65 | 45 | 2 | 4 | M12 | (1/2″) | 14 | 0.72 |
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21.3*
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| 20 |
25
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105 | 16 | 75 | 58 | 2 | 4 | M12 | (1/2″) | 14 | 1.01 |
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26.9*
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| 25 |
30
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115 | 16 | 85 | 68 | 2 | 4 | M12 | (1/2″) | 14 | 1.23 |
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33.7*
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| 32 |
38
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140 | 16 | 100 | 78 | 2 | 4 | M16 | (5/8″) | 18 | 1.80 |
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42.4*
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| 40 |
44.5
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150 | 16 | 110 | 88 | 3 | 4 | M16 | (5/8″) | 18 | 2.09 |
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48.3*
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| 50 |
57
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165 | 18 | 125 | 102 | 3 | 4 | M16 | (5/8″) | 18 | 2.88 |
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60.3*
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| 65 |
76.1*
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185 | 18 | 145 | 122 | 3 | 4 | M16 | (5/8″) | 18 | 3.66 |
| 80 |
88.9
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200 | 20 | 160 | 138 | 3 | 8 | M16 | (5/8″) | 18 | 4.77 |
| 100 |
108
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220 | 20 | 180 | 158 | 3 | 8 | M16 | (5/8″) | 18 | 5.65 |
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114.3*
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| 125 |
133
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250 | 22 | 210 | 188 | 3 | 8 | M16 | (5/8″) | 18 | 8.42 |
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139.7*
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| 150 |
159
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285 | 22 | 240 | 212 | 3 | 8 | M20 | (3/4″) | 23 | 10.4 |
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168.3*
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| 200 |
216
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340 | 24 | 295 | 268 | 3 | 12 | M20 | (3/4″) | 23 | 16.1 |
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219.1*
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| 250 |
267
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405 | 26 | 355 | 320 | 3 | 12 | M24 | (7/8″) | 27 | 24.9 |
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273*
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| 300 |
318
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460 | 28 | 410 | 378 | 4 | 12 | M24 | (7/8″) | 27 | 35.1 |
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323.9*
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| 350 |
355.6*
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520 | 30 | 470 | 438 | 4 | 16 | M24 | (7/8″) | 27 | 47.8 |
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368
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| 400 |
406.4*
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580 | 32 | 525 | 490 | 4 | 16 | M27 | (1″) | 30 | 63.5 |
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419
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| 500 |
508*
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715 | 36 | 650 | 610 | 4 | 20 | M30 | (1-1/8″) | 33 | 102.0 |
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521
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NOTE:
1. Facing according to DIN 2526 Flat face: Form A, Face without any requirements Form B, Face Rz=160, machined (not smoother than 40µm) Raised Face: Form C, Face Rz=160, machined (not smoother than 40µm) Form D, Face Rz=40, machined Form E, Face Rz=16, machined 2. Tongue and groove according to DIN 2512 Form F, Tongue Form N, Groove 3. Male and Female according to DIN 2513, DIN 2514 Form V13, V14, Male Form R13, R16, Female 4. Chemfering for diaphragm-weld packings, PN64-PN400, according to DIN 2695 5. Facing for lens-shaped joints, PN64-PN400, according to DIN 2696 DIN 2543 is a standard that defines the dimensions and pressure ratings for Slip on flanges. These flanges are commonly used in high-pressure piping systems due to their ability to withstand higher stress loads. Specifically, PN16 indicates a pressure rating of 16 bar (16 MPa) at a certain temperature.
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