Spiral-Wound gasket is formed of V-shaped metallic stripe and soft non-metallic filler by means of piled, spiral wound and connected its end and beginning by dot welded. Depend on its excellent compression resilience,it is suitable for sealing spots where the alteration of temperature and pressure are frequent. It can be used as the static sealing element of pipe,valve,pump,thermal exchange,condensing tower,plain hole and man hole of flange,etc.It has been widely applied in the fields of petrochemical,mechanical manufactory,power station,metallurgy,shipbuilding,medical and pharmaceutical nuclear power station and navigation, etc.
Products | Style | Flange | For example |
Basic type SWG | TD-SW700 | Tongue and Groove | 304/PTFE |
SWG with inner ring | TD-SW700 IR | Male and Female | 304 304/FG |
SWG with outer ring | TD-SW700OR | Raise face Flat face | 304/ASB CS |
SWG with inner & outer rings | TD-SW700IOR | 304 304/FG CS | |
SWG for heat exchanger | TD-SW700 H | Heat exchanger |
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Special shape SWG | TD-SW700 S | Special |
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MATERIAL & STYLE:
Hoop Inner & outer ring material |
Filler material | mm Normal thickness | ||||
Products | Style | Products | Style | Temperature | V gasket/ring | W gasket/ring |
Carbon steel | CS | ASB | ASB | 500 | 3.2/2.0
4.5/3.0 | 4.8/3.0 5.5/4.0 7.5/5.0 |
304(L),316(L) | 304(L),316(L) | graphite | FG | 650 | ||
Monel, | Mon | PTFE | PTFE | 250 | ||
Ni,TI | Ni???Ti | MICA | MICA | 950 | ||
INC | INC | CER | CER | 1000 | ||
HAST,ZIRC | HAST???ZIRC | NAF | NAF | 300 | ||




