Spiral Wound Gaskets

Image of a Spiral Wound Gasket

Spiral Wound gaskets are available in standard or customized dimensions for heat exchangers or pressure vessels. They are composed of a Stainless Steel metal winding and a soft filler material. Inner and outer rings are available in accordance with drawings and specifications.



Dimensions: up to 5000 mm Thickness: from 3.2/ 4.5/ 6.4/ 7.2 mm

Winding material:
Inner-outer rings material:

 SS 304L
SS 316L
SS 321
Titanium
Nickel
Nickel alloys
Duplex

Filler material:

 Graphite
PTFE
Ceramic fibres
Non asbestos


Oblong, rectangular, oval, pear, diamond shapes are also available.

The bars can be welded in the round diameter or they can be made wholly with the outer peispherical part.

> For most frequently required shapes see "Typical construction shape"

Standard dimensions according to:
DIN flanges
ASME B 16.20 (API 601) for ANSI B 16.5 flanges
BS 1560 for ANSI B 16.5 flanges
ASNE/ANSI B 16.47 series A for MSS SP 44 flanges
ASNE/ANSI B 16.47 series B API 605 flanges in accordance with ASME B 16.5 (API 601) gasket standard
DIN 2632 - 2638 flanges
Design of all the Spiral Wound Gaskets produced by ABO Guarnizioni

Type sw 00
Spiral Wound without rings: they are used for tongue and groove, male and female flanges.



Type sw 01
Spiral Wound with inner ring: they are used for male and female or special flange types.



Type sw 10
Spiral Wound with outer ring: they are used for raised face flanges.



Type sw 101
Spiral Wound with inner and outer rings: they are used for raised face flanges.



Special Section
Spiral Wound with special rings: they are used for special flanges and special usage.
They are usually made according to the customer's drawing.