Description:zt-600 spiral-wound gasket is formed of v-shaped metallic stripe and soft non-metallic filler by means of piled, spiral wound and connected its end and beginning by dot welded. Depend on its excellent compression resilience it is suitable for sealing spots where the alteration of temperature and pressure are frequent. It can be used as the static sealing element of pipe, valve, pump, thermal exchange, condensing tower, plain hole and man hole of flange, etc. It has been widely applied in the fields of petrochemical, mechanical manufactory, power station, metallurgy, shipbuilding, medical and pharmaceutical nuclear power station and navigation, etc.
Application:
We can produce according to asme, bs, jis and en(din) standards or client request.
ProductsStyleFlangeFor example
Basic type swgZt-600Tongue and groove304/ptfe
Swg with inner ringZt-600 irMale and female304 304/fg
Swg with outer ringZt-600 crRaised face
Flat face304/asb cs
Swg with inner
& outer ringsZt-600 ic304 304/fg cs
Swg for heat exchangerZt-600 hHeat exchanger304/fg with 1 bar of dj
Special shape swgZt-600 sSpecialOval
Material:
StyleStructureHoop materialFiller materialInner & outer ring materialNormal thickness mm
GasketInner & outer ring
Zt-600Without rings304(l);316(l)
321;317l
31803
Monel,
Ti, ni
Inc
Hast.C/b
Zr702
Etc. Graphite, ptfe,
Asbestos
Non-asb
Mica,
EtcCs,
304(l), 316(l),
321;317l
31803
Ti, ni
Inc
Hast. Monel,
Zr7023.2
4.5
(0.175¡±)
6.42
3
(1/8¡±)
4
Zt-600 irWith inner ring
Zt-600 crWith outer ring
Zt-600 icWith inner & outer rings
Color cord as asme b16.20 on request.
Construction:
Zt-410(graphite sheet jacketet tanged metal) is made by materials of three cascades. A laminated graphite is inserted into a convexo-plane metal frame perforated. It is produced by specially pressing and sticking process. This kind of sheet is be seized of the characteristics such as good compressibility and resilience, small stress relaxation, fine compensation function for uneveness of sealing surfaces and long working life.
Normal style: zt-410/304
Zt-410/316
Zt-410/other tanged metal material
Technical data:
Compressibility: 19-23%
Graphite purity: min 99%
Chloride content: max 50ppm
Temperature: -200 to 550
Pressure: up to 600bar
Ph: 0-14
Media:
Steam, mineral oils, heat transfer oil, hydraulic oil, fuel, water, seawater, freshwater.
Benefit:
Permanently elastic, even in hot-cold cycles over the entire temperature range, no aging, no brittleness, no hot or cold flow, long time uniform compressibility and resiliency independent of temperature.
Available:
Sheets gasket: zt-g410
Dimension:
500 x 1000 x 1.0 /1.5 /2.0 /2.5mm
500 x 1500 x 1.0 /1.5 /2.0 /2.5mm
1000 x 1000 x 1.0 /1.5 /2.0 /2.5mm
1000 x 1500 x 1.0 /1.5 /2.0 /2.5mm
Special density , thickness or insert material are avaliable to request.
Reinforced asbestos free sheets
(1) stainless steel wire-mesh inserted
(2) high temperature and high pressure
3) 0% asbestos
Reinforced non-asbestos sheet
The product is made of non-asbestos sheet that metal pressed and compounded by sheet thickness, which is extensively applied in manufacturing various motor gaskets. It is a new material that will substitute asbestos products. The product has excellent performance in dilatability, sealing equality and long life etc.. Mainly applied in automobile farming machine, motorcycle and engineering etc. , it is also can be used in high strength gaskets and cylinder gaskets etc
Standard size: 1000x1000mm, 1000x1200mm, 500x1000mm, 500x1200mm.
Thickness: 1.0 to 2.5mm
Detailed product description
Graphite packing ring
-content of graphite: at least 99%
-can be reinforced by 304ss , nickle wire
-content of wire mesh:60%
Graphite packing ring, graphite gasket is formed by molding flexible graphite tape or flexible graphite braided packing, and metal materials can also be put in together. It is mainly used for sealing or valves, pumps and expansion joints, which are used in oil industry, thermoelectric station, nuclear power station and other general industries. The property solves the problemof corrosion to the valve stem completely.
Typical types
Available in 99% purity, corrosion inhibited and oxidation resistant grades.
Supplied endless, split or as matched halves.
Square or rectangular section rings supplied as standard
Non-standard shapes can be producedto suit specific requirements.
Metal tipped rings available for high pressure anti extrusion applications.
Graphite packing sleeves with or without stainless steel eyelets are available.
Typical applications
Packing for dynamic sealing of compressors and pumps.
Packing for valves.
Packing for the gland boxes of chemical instruments.
Available in almost every style of our braided packing.
For composite sealing to take the place of mechanical sealing.
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