For low pressure ducts in pollution control, flues, engine and boiler exhausts and gas recovery apparatus.
| CONSTRUCTION | ||
| PARTS | MATERTIALS | REMARK |
| BELLOW | SUS-304 | SUS-316/ SS-316L |
| FLANGE | SS-400 | SUS-304/ SUS316 |
| INTERAL SLEEVE | SUS-304 | SUS-316 |
| TIE RODS | SS-41 | SUS-304 |
| RIB | SS-41 | SUS-304 |