Paras Engineering Works is a flanges manufacturer in India making weld neck, slip-on, blind, threaded and socket-weld flanges, forged from 1/2" to 48" NB and plate up to 100" NB, 150# to 2500#, to ASME B16.5 and B16.47.
Flange types
Paras forges and machines every common pipe flange type:
- Weld neck flanges (WNRF): butt welded to the pipe for high-pressure and high-temperature service.
- Slip-on flanges (SORF): slipped over the pipe and fillet welded.
- Blind flanges (BLRF): close the end of a line or vessel nozzle.
- Threaded flanges: for weld-free connections on small-bore lines.
- Socket-weld flanges: for small-bore, high-pressure lines.
- Specialty and plate flanges to drawing, up to 100" NB.
Sizes, ratings and faces
| Parameter | Range |
|---|---|
| Forged flanges | 1/2" – 48" NB |
| Plate flanges | 1/2" – 100" NB |
| Pressure rating | 150# – 2500# · PN6 – PN64 |
| Face | FF · RF · RTJ · M&F · T&G |
| Standards | ASME B16.5 · ASME B16.47 |
Flange materials
| Material | Grades |
|---|---|
| Carbon steel | ASTM A105 / A105N |
| Low temperature carbon steel | ASTM A350 LF2 |
| Stainless steel | ASTM A182 F304/304L, F316/316L, F310, F316Ti, F317, F321, F347 |
| Duplex / super duplex | ASTM A182 F51, F53, F60 |
| Alloy steel | ASTM A182 F5, F9, F11, F22, F91 |