 |
 |
 |
| HEADQUARTERS: RM2101,21/F YAOJIANG INTERNATIONAL PLAZA, NR.258 WUSONG ROAD,SHANGHAI 200080,P.R.CHINA |
TEL:021-63096460 -6482 |
REPRESENTATIVE IN LATIN AMERICA: |
TEL:0052-55-567-368/5567-1379 |
| 浙ICP备12040413号-1 Copyright 2010 Firewheel | |||
SWG Spiral Wound Gaskets
Ref. No .SWG Spiral wound gaskets are special semi-metallic gaskets of great strength and resilience, therefore they are suitable for use under heavy operating conditions. Spiral wound gaskets are manufactured by spiral winding V-shaped metal strip and strip of non-metallic filler material. Spiral wound gaskets can be reinforced with an outer centering ring and/or inner retaining ring.
Applications
Pipe, valve, pump, thermal exchange, condensing tower, plain hole and man hole of flange, etc.
Petrochemical, chemical, mechanical manufacturer, power station, metallurgy, shipbuilding, medical and pharmaceutical unclear power station and navigation, etc.
Basic structure and materials:
|
Type |
Cross section |
Hoop material |
Filler material |
Inner, outer ring material |
|
Basic type |
|
AISI304, 316 ect. As specified stainless steel belt |
Expanded graphite, PTFE or other specified materials |
Carbon steel, AISI304, AISI316, and other specified materials |
|
With inner ring |
|
|||
|
With outer ring |
|
|||
|
With inner, outer ring |
|
Main technical data
|
Commodity |
Pressure (kgf/cm2) |
Temp (℃) |
Leakage rate |
Min pre-tight |
Factor |
|
|
Spiral wound gasket filled with expanded graphite |
(Under hot water, oil, etc.) 300 |
In Oxidizing Media |
1.0×10-5cm3/s |
400kgf/cm2 |
2.5~3 |
|
|
-240~550 |
||||||
|
Spiral wound gasket filled with PTFE |
150 |
-200~250 |
1.0×10-5cm3/s |
400kgf/cm2 |
2.5~3 |