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  SPIRAL WOUND GASKETS
IGP PRODUCTS 

Millions of our gaskets are successfu-
lly being used in a wide variety of
countries around the world...MORE..
 
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are provided with Steel diaphragms
(End Discs) welded with shell..MORE..
 
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Exchanger and Condenser Tubing
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repair cover compounds, abrasion &
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OE supplier for mainly earth moving
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We specialise in the manufacture of
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LONESTAR INDUSTRIES, a leading 
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IGP ENGINEERS
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Spiral wound gaskets have proven themselves to be the most reliable sealing element for use in difficult, critical and arduous duties. Spiral wound gaskets are used in Refinery, Petrochemical, Chemical, Steam lines and Process Industries, where they have many advantages over older types of gaskets.

These gaskets are manufactured to International specifications such as BS, API, ASME, DIN, or to customer's specification.

We also have huge capacity to produce precision machined components.

CROSS SECTION AND CONSTRUCTION

1. SWR
Spiral wound gasket without centering ring.

2. SCD
Spiral Wound Gasket with centering device.

3. SOR
Spiral Wound Gasket with centering ring. (Centering ring made of Carbon steel Stainless steel and other metals).

4. SIO
Spiral Wound Gasket with inner and outer rings. (Rings are made of Carbon steel Stainless steel and other metals).

5. SIOH
Spiral Wound Gasket with outer ring supplied with bolt holes and inner rings.

6. SIR
Spiral Wound Metallic Gasket with inner rings. (Rings generally of Stainless steel).

7. W - Type
Spiral Wound Metallic Gasket 'W' type.

8. Inverted W
Spiral Wound Metallic Gasket 'Inverted W' type.

FLANGE STANDARDS

FLANGE STANDARDS Spiraget® SOR, SIO, SIOH, SIR type spiral wound gaskets can be manufactured in accordance with all relevant gasket standards and specifications to suit the following flange designations:

ASME/ANSIB16.5
MSS SP44 (ASME B16.47 SERIES A) (AWWA)
BS 1560, BS10, BS4504
DIN FLANGES, JIS FLANGES
API 605 (ASME B16.47 SERIES B)
FRENCH NF STANDARD

COMMON FILLERS USED ARE

FILLERS MATERIALS MAX. WORKING TEMPERATURE
Graphite Mica 350 F (Temperature)
Graphite 99.8% purity 1200 C
Non asbestos 550 C
PTFE 250 C
Ceramic 1000 C


INNER AND OUTER RING

Carbon Steel, Stainless Steel 304,304L, 316,316L,316Ti,321,347, MONEL® 400,Inconel® 600,625,800, Incoloy® 800, 825, Nickel 200, Titanium, Hastelloy, Copper

SPIRAL WOUND GASKET SIZES

Size & Shape as per Prevailing International standards or Customer need can be produced.

GASKET COMPRESSION & CHOICE OF THICKNESS

Nom. Thickness Compressed Thickness
2.5 mm(.098 in) 1.9/2.1mm(.075/.085 in)
3.2 mm(.125 in) 2.4/2.6mm(.095/.105 in)
4.5 mm(.175 in) 3.2/3.45mm(.125/.135 in)
6.4 mm(.250 in) 4.6/4.8mm(.180/.190 in)
7.3 mm(.285 in) 4.7/4.9mm(.185/.195 in)








Available in several standard shapes:-
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