J.k. Overseas
Nagdevi Street, Mumbai, Maharashtra
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Spiral Wound

We offer and deal in wide range of Spiral Wound.

Spiral Wound Gasket

Spiral Wound Gasket
  • Spiral Wound Gasket
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Construction: Special Spring like Metal strips are wound with an Asbestos Filler by a special process to assure a leak proof seal. The sealing is done by the Asbestos Filler and the metal strip provides the spring. This combination of metal and soft asbestos Filler piles compresses to its predetermined thickness under bolting pressure and thereby preventing leakage within the limit of its specified pressure and temperature ranges. With the addition of Centering devices, adapt "SPITMAAN" Spiral Wound Gaskets to use on many types of flanges and closures.
 

Materials:
Standard materials are type 304 Stainless steel with white Canadian (Chrysotlie) Asbestos Filler.

Materials available are:

MetalsFillers
Type 304 StainlessCompressed Asbestos Jointing Strips
Type 316 StainlessP.T.F.E. Sintered Strip
AluminiumAsbestos paper
CopperWhite Chrysotile Asbestos
MonelBlue African Crocidolite
Steel, Plain
Steel, Zinc Coated
Grafseal

Gasket Thickness Available:

NormalActual
1/8" (3.2 mm).125" ± .005" (3.2 mm)
3/16" (4.8mm).175" ± .005" (4.5 mm)

Hints Of Installation & Maintenance:
When installing a Spiral Wound Gasket, check the dimensions of the Gaskets for use between pipe and pressure vessel flanges. The procedure is as follows:-

Measure ID of flange contact face.

Measure Gasket ID. If Gasket ID is not 1/8" larger than flange ID, do not use it unless it can be installed perfectly centered.

A Spiral Wound Gasket does not have the same feel as other Metallic or Non-Metallic Gaskets during the bolting-up. It's different-because it gives a little bit under each bolt as it is tightened. It is therefore important to tighten the bolts in small steps in proper sequence as shown hereunder. Final tightening must be uniform with each bolt pulling same load. This will guarantee a trouble free joint. If not uniform, the joint may leak-particularly after it has been in hot service.

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Ram Mehta (Proprietor)
16th Floor, Levata 64, Nagdevi Street
Mumbai- 400003, Maharashtra, India


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