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Star 21 International Pte Ltd
No.48 Toh Guan Road East
#09-99 Enterprise Hub
Singapore 608586

Tel  : +65 6567 0972
Fax : +65 6567 0629

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6567 0972
Metal Jacketed Gaskets
Style : 510

metag1 Flexiteck metal jacketed gaskets are specially designed and widely used on smooth flange applications and are ideal for Heat Exchangers, Auto Claves, Columns, Engines, Boilers, Gas Mains, Valve Bonnets and similar services. Jacketed gaskets consist of a sheet metal jacket, and a filler of asbestos, CAF or some layers of sheet metal. The jacket metal should be as soft as plastic as possible taking into account the corrosiveness of the fluid to be sealed.



The filler material is chosen according to the imperfection of the flange.
The better the surface finish and the flatness of the flange face, harder the filler can be.

Jacket material : Soft iron, Copper, Brass, Aluminium, SS304, 316, 316L, 321, 410, Monel, F5, Incoloy, Titanium, and etc.

Filler : CAF, Non-Asbestos, Teflon, Graphite, Ceramic and etc.

WELDED CONSTRUCTION
The bars are securely spot welded by sophisticated welding techniques (mig, tig, and plasma arc) to the all important outer ring.
Welded-In-Bar Exchanger Gaskets offer the following benefits over One-Piece Gaskets with integral bars :

Lower Price - Typical cost savings 10% to 40% (dependent on material).
Quicker Delivery - Less time to manufacture.
Technically Superior and Safer - Extra sealing safeguards - A better gasket.
Longer Sealing Life - Bars seal independently of the outer ring.
New and higher Standards of Technical Quality.

The overlapped seams produce a locally high seating stress which contributes to the effectiveness of the seal in critical areas. The crucial sealing area is the peripheral ring which prevents media leakage to atmosphere. Slight leakage across the pass-bars is tolerable since the exhanger manufacturer builds-in a designed efficiency-loss catering for leakage at this point.

Type of metal jacketed gaskets

metag2

 

                    J110    Single corrugated no filler

 

metag3

 

                    J120    Single corrugated core filler

 

metag4

 

                    J130    Single enclosed, soft filler, open type

 

metag5

 

                    J140    Double enclosed, soft filler, fully jacketed

 

metag6

 

                    J150    Single enclosed, soft filler, fully jacketed

 

metag7

 

                    J160    Double enclosed, soft filler, corrugated

 

metag8

 

                    J170    Double enclosed, metal filler, corrugated

 

metag9

 

                   J180    Single enclosed, soft filler, outside open

 

metag10

 

                  J190    Double enclosed, soft filler, outside open

 

Jacket Metals:

soft Iron, Soft Steel, SS (304, 316, 321, 347, 410 etc.) Copper, Brass, Monel, Aluminium, Incoloy, Titanium, Inconnel, etc.

Metal jacketed gaskets are suitable for flanges designed to ANSI B16.5 or ASME/ANSI B16.5, API 601, BS. 1560.