D-8
FLEXSEAL
®
RW, RWI and SW Gaskets
Style RW
¦
General purpose gasket suitable for fat face and
raised face fanges up to Class 2500**
¦
Centering ring accurately locates the gasket on the
fange face, provides additional radial strength, and
acts as a compression limiter
¦
Spiral winding (sealing element) consists of pre-
formed metal and soft fller material
Style RWI
¦
Suitable for fat face and raised face fanges up to
Class 2500**
¦
Recommended for higher pressure applications, for
use with PTFE fllers, and when delineated by ASME
B16.20
¦
Inner ring acts as compression limiter and protects
sealing elements from process media attack
Style SW
¦
Suitable for tongue and groove, male-female, or
groove-to-fat face fanges
†
¦
Spiral winding only, containing preformed metal and
soft fller material
¦
Also available with inner rings—Style SWI
Ordering Information
RW
/ RWI
When ordering specify:
¦
Nominal pipe size and pressure rating or specifc
gasket dimensions
¦
Winding and fller materials
¦
Centering and/or inner compression ring material
SW
When ordering, specify:
¦
O.D. and I.D. dimensions (and tolerance, if other
than standard—see page D-19)
¦
Thickness of gasket
¦
Winding and fller material
¦
Inner ring material, if required (Style SWI)
¦
Pressure rating
Advantages
¦
Durable; easy installation and removal
¦
Seals pressures to fange ratings, in accor-
dance with ASME B16.5
¦
Suitable for temperatures from cryogenic to
2,000°F (1,093°C)*
¦
Guide ring simplifes centering of sealing ele-
ment on the fange face
¦
Designed solutions accommodate a variety of
conditions by combining various metals and
fller materials
Winding Only
Centering Ring
Spiral Winding
Inner Ring
Centering Ring
Spiral Winding
(Sealing Element)
Note:
For M & Y factors, see page D-33.
For ROTT Test results, see page D-4.
* Consult Garlock Engineering for material recommendations above
950°F (510°C)
**
Depending on gasket size, an inner ring is recommended for applica-
tions above Class 600, due to the high available bolt load.
See also Note 1, page D-22.
†
This design does not have a compression limiter.