 |
| PLS-900 SYSTEM SPIRAL WOUND GASKET |
| Spiral wound gasket is designed into high property mid-metal sealing gasket is dead against high temperature and pressure condition. It is wound alternatively by V or W shaped metal hoop and non metal filler of various kinds of materials selected based on specific working condition. Depend on its excellent compression resilient. It is suitable for sealing spots where the alternation of temperature and pressure are frequent, such as pipe, valve, pump etc. They are available in all standard the flanges of sizes, such as ASMI, BS, DIN, JIS etc. |
| Variety |
| Spiral wound gasket filled with expanded graphite, Spiral wound gasket filled with asbestos, Spiral wound gasket filled with PTFE, and Spiral wound gasket filled with non-asbestos. |
| Composing |
| Noumenon （metal tape, non-metal tape ），
strengthen ring（ inner andouter ring） |
| |
| Type |
Cross section |
Metal tape metal |
Non-metal tape
(filler material) |
Inner,Outer Ring material |
| Basic type |
|
AISI304.316 etc. As specified Stainless steel belt |
Asbestos |
Carbon steel sheet or AISI304,316 etc, as specified sheet |
| With inner ring |
|
Expanded Graphite |
| With outer ring |
|
PTFE |
| With inner, outer ring |
|
|
|
Available
| Commodity |
Pressure |
Temperature |
Leakage rate |
Min Pretight |
Factor |
| Spiral Wound Gasket Filled With Expanded Graphite |
Under hot water,oil etc 300 |
In Oxidizing Media -240-550 |
1.0x10-5cm3/s |
400kgf/cm2 |
2.5-3 |
| Under Vapor oil gases,etc,200 |
In non- Oxidizing Media -240-800 |
| Spiral Wound Gasket Filled With Asbestos |
150 |
-150-450 |
1.0x10-4cm3/s |
500kgf/cm2 |
3-4 |
| Spiral Wound Gasket Filled With PTFE |
150 |
-200-250 |
1.0x10-5cm3/s |
400kgf/cm2 |
2.5-3 |
|
Flange Type and Spiral Wound Gasket Form
| Flange type |
Spiral Wound Form |
| Flat face flange(F,F) |
Gasket with an outer ring |
| Gasket with inner and outer ring |
| Raised face flange(R.F) |
Gasket with an outer ring |
| Gasket with inner and outer ring |
| Male and female flange(MFM) |
Basic form gasket |
| Gasket with inner and outer ring |
| Tongue and groove flange(TG) |
Basic form gasket |
| |
| Flat and groove flange(TG) |
Basic form gasket |
| |
| Flat and groove flange(FG) |
Gasket with an outer ring |
| |
|
|
