spiral wound gasket

Resistant to almost all(aggressive) media(pH 0-14).

Helium tightness to 1.7*10^-9mbar^.l/s.

                         (higher pressure on request)

Pressure:up to 400bar(Class 2500) for flanges according to DIN and ASME.

                                      steel grade---please enquire)

Temperature:-200~500^oC(Higher temperatures in an inert environment dependent on 

Operating limits

4.Outer ring:generally galvanized steel, coating steel.

3.Inner ring: corresponds to material of the metal spiral

                     other materials on request

2.Metal spiral:standard grades 1.4541(AISI 321), 1.4571(AISI 316Ti).

1.Gasketing tape:graphite,PTFE

Materials

Can be manufactured to order in nuclear grade according to the Burgmann quality assurance manual and verified with certificates.

4.Approximately 10% spring-back of thickness in the installed state.

3.Usable under rough conditions.

2.To some degree usable in worn-out, damaged,and deformed flanges.

1.Permanent elasticity in hot-cold cycles.

Special features

Spiral wound gasket

Spiral wound gasket(gasket)
1.Gasket tape:PTFE
2.Metal spiral:standard grades1.4541,1.4571.
other materials on request