Lined Reducing Flanges
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Lined Reducing Flanges
Lined Reducing Flanges are specially designed to connect pipes of different diameters while ensuring excellent corrosion resistance. The lining provides chemical protection, making them ideal for aggressive media. These flanges maintain a strong, leak-proof connection in demanding industrial environments.
Key Features
- Lining as per ASTM F-1545
- Compatible with ANSI B16.5/class 150 lbs standards
- Suitable for highly corrosive chemical applications
Specifications
| Nominal Pipe size (mm) | Size (Inch) | A | D1 | D2 | t | t’ | H holes X | P | P | O (OD) | E holes X |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 40×25 | 1-1/2″x1″ | 44 | 68 | 48 | 3 | 3 | 4-TAPx1/2″ | 98.4 | 79.4 | 127 | 4-TAPx1/2″ |
| 50×25 | 2″x1″ | 44 | 87 | 48 | 3 | 3 | 4-TAPx5/8″ | 120.6 | 79.4 | 152 | 4-TAPx1/2″ |
| 50×40 | 2″x1-1/2″ | 44 | 87 | 68 | 3 | 3 | 4-TAPx5/8″ | 120.6 | 98.4 | 152 | 4-TAPx1/2″ |
| 65×25 | 2-1/2″x1″ | 44 | 100 | 48 | 3 | 3 | 4×19Ø | 139.7 | 79.4 | 178 | 4-TAPx1/2″ |
| 65×40 | 2-1/2″x1-1/2″ | 44 | 100 | 68 | 3 | 3 | 4-TAPx5/8″ | 139.7 | 98.4 | 178 | 4-TAPx1/2″ |
| 65×50 | 2-1/2″x2″ | 44 | 100 | 87 | 3 | 3 | 4-TAPx5/8″ | 139.7 | 120.6 | 178 | 4-TAPx5/8″ |
| 75×25 | 3″x1″ | 44 | 117 | 48 | 3 | 3 | 4×19Ø | 152.4 | 79.4 | 191 | 4-TAPx1/2″ |
| 75×40 | 3″x1-1/2″ | 44 | 117 | 68 | 3 | 3 | 4×19Ø | 152.4 | 98.4 | 191 | 4-TAPx1/2″ |
| 75×50 | 3″x2″ | 44 | 117 | 87 | 3 | 3 | 4-TAPx5/8″ | 152.4 | 120.6 | 191 | 4-TAPx5/8″ |
| 75×65 | 3″x2-1/2″ | 44 | 117 | 100 | 3 | 3 | 4-TAPx5/8″ | 152.4 | 139.7 | 191 | 4-TAPx5/8″ |
| 100×25 | 4″x1″ | 51 | 117 | 48 | 3 | 3 | 8×19Ø | 190.5 | 79.4 | 229 | 4-TAPx1/2″ |
| 100×40 | 4″x1-1/2″ | 51 | 151 | 68 | 3 | 3 | 8×19Ø | 190.5 | 98.4 | 229 | 4-TAPx1/2″ |
| 100×50 | 4″x2″ | 51 | 151 | 87 | 3 | 3 | 8×19Ø | 190.5 | 120.6 | 229 | 4-TAPx5/8″ |
| 100×65 | 4″x2-1/2″ | 51 | 151 | 100 | 3 | 3 | 8-TAPx5/8″ | 190.5 | 139.7 | 229 | 4-TAPx5/8″ |
| 100×75 | 4″x3″ | 51 | 151 | 117 | 3 | 3 | 8-TAPx5/8″ | 190.5 | 152.4 | 229 | 4-TAPx5/8″ |
| 150×25 | 6″x1″ | 51 | 151 | 48 | 4 | 3 | 8×23Ø | 241.3 | 79.4 | 279 | 4-TAPx1/2″ |
| 150×40 | 6″x1-1/2″ | 51 | 203 | 68 | 4 | 3 | 8×23Ø | 241.3 | 98.4 | 279 | 4-TAPx1/2″ |
| 150×50 | 6″x2″ | 51 | 203 | 87 | 4 | 3 | 8×23Ø | 241.3 | 120.6 | 279 | 4-TAPx5/8″ |
| 150×75 | 6″x3″ | 51 | 203 | 117 | 4 | 3 | 8×23Ø | 241.3 | 152.4 | 279 | 4-TAPx5/8″ |
| 150×100 | 6″x4″ | 51 | 203 | 151 | 4 | 3 | 8-TAPx3/4 | 241.3 | 190.5 | 279 | 4-TAPx5/8″ |
| 200×25 | 8″x1″ | 51 | 256 | 48 | 4 | 3 | 8×23Ø | 298.4 | 79.4 | 343 | 4-TAPx1/2″ |
| 200×40 | 8″x1-1/2″ | 51 | 256 | 68 | 4 | 3 | 8×23Ø | 298.4 | 98.4 | 343 | 4-TAPx1/2″ |
| 200×50 | 8″x2″ | 51 | 256 | 87 | 4 | 3 | 8×23Ø | 298.4 | 120.6 | 343 | 4-TAPx5/8″ |
| 200×75 | 8″x3″ | 51 | 256 | 117 | 4 | 3 | 8×23Ø | 298.4 | 152.4 | 343 | 4-TAPx5/8″ |
| 200×100 | 8″x4″ | 51 | 256 | 151 | 4 | 3 | 8×23Ø | 298.4 | 190.5 | 343 | 8-TAPx5/8″ |
| 200×150 | 8″x6″ | 51 | 256 | 203 | 4 | 4 | 8-TAPx3/4″ | 298.4 | 241.3 | 343 | 8-TAPx3/4″ |
| 250×25 | 10″x1″ | 51 | 311 | 48 | 5 | 3 | 12×25Ø | 361.9 | 79.4 | 406 | 4-TAPx1/2″ |
| 250×40 | 10″x1-1/2″ | 51 | 311 | 68 | 5 | 3 | 12×25Ø | 361.9 | 98.4 | 406 | 4-TAPx1/2″ |
| 250×50 | 10″x2″ | 51 | 311 | 87 | 5 | 3 | 12×25Ø | 361.9 | 120.6 | 406 | 4-TAPx5/8″ |
| 250×75 | 10″x3″ | 51 | 311 | 117 | 5 | 3 | 12×25Ø | 361.9 | 152.4 | 406 | 4-TAPx5/8″ |
| 250×100 | 10″x4″ | 51 | 311 | 151 | 5 | 4 | 12×25Ø | 361.9 | 190.5 | 406 | 8-TAPx5/8″ |
| 250×150 | 10″x6″ | 51 | 311 | 203 | 5 | 4 | 12×25Ø | 361.9 | 241.3 | 406 | 8-TAPx3/4″ |
| 250×200 | 10″x8″ | 51 | 311 | 256 | 5 | 4 | 12-TAPx7/8″ | 361.9 | 298.4 | 406 | 8-TAPx3/4″ |
| 300×50 | 12″x2″ | 51 | 365 | 87 | 5 | 3 | 12×25Ø | 431.8 | 120.6 | 483 | 4-TAPx5/8″ |
| 300×100 | 12″x4″ | 51 | 365 | 151 | 5 | 3 | 12×25Ø | 431.8 | 190.5 | 483 | 8-TAPx5/8″ |
| 300×150 | 12″x6″ | 51 | 365 | 203 | 5 | 4 | 12×25Ø | 431.8 | 241.3 | 483 | 8-TAPx3/4″ |
| 300×200 | 12″x8″ | 51 | 365 | 256 | 5 | 4 | 12×25Ø | 431.8 | 298.4 | 483 | 8-TAPx3/4″ |
| 300×250 | 12″x10″ | 51 | 365 | 311 | 5 | 5 | 12TAPx7/8″ | 431.8 | 361.9 | 483 | 12-TAPx7/8” |
Note:
- Lining: PTFE in compliance with ASTM F-1545.
Other nominal sizes are available on request.
