Page 34 - FlexitallicCatalog2010

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SPIRAL WOUND GASKETS
FOR BOILER CAP AND MANHOLE COVER ASSEMBLIES
Gaskets for boiler handhole, tubecap and manhole covers incorporating the unique Flexitallic spiral wound
profile and specially manufactured with Flexicarb
®
filler, are ideal for corrosive, high pressure or
temperature duties. Flexitallic’s anticipation of developments in modern steam generating and engineering
equipment and ability to design to specific requirements are the guarantee of the perfect seal at minimum
maintenance cost with consistently high standards of performance.
•
High safety factor related to specific operating conditions
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Compression loadings proportional to safe stresses of cover assemblies
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Resilient under concentrated and fluctuating loads
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Prolonged trouble-free service
•
Reduced seat cleaning time
StyIe M & MC & MCS
Spiral Wound Gaskets for Boiler Manhole Cover
Assemblies
The Flexitallic manhole gasket spiral constructions
incorporate modified compression values to provide
seating loads within the normal range of cover
assemblies.
Size/Range Specification
Available in circular, obround, and oval shapes to
suit standard manhole plate configurations.
Style T
Spiral Wound Gaskets for Boiler Handhole and
Tubecap Assemblies
The design features of the basic Flexitallic spiral wound
construction alleviate the need for sealing compound.
Particularly suitable where old and pitted faces have
rendered other gaskets ineffective.
Size/Range Specification
Available in several standard shapes:-
Supplied in thicknesses of 3.2mm (0.125in.) or 4.5mm (0.175 in.). The standard thickness of 4.5mm
(0.175in.) is recommended for use in assemblies where the seat is relatively broad and bolting load is low.
Materials
Standard materials are Type 304 Stainless Steel and
Flexicarb windings. Special materials to suit specific
operating conditions are available.
To Order
With all orders or inquiries please submit following:
a) Name of boiler or equipment manufacturer
b) Gasket style
c) Dimensions of gasket
d) Gasket thickness
e) Flange width of gasket
f) Pressure service rating
g) Gasket material preference
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