White PTFE Packing

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White PTFE Packing

NameWhite PTFE Packing
CategoryPACKING SERIES
Published2014-05-07 09:31:33

Detailed description

White PTFE Packing

PTFE as the main material. Has excellent chemical stability, corrosion resistance, sealing, lubrication is not high viscosity and good aging endurance. Long-term work at a temperature of -180 ℃ to +250 ℃, in addition to the molten metal and liquid sodium fluoride, the ability of all other chemicals, boiling water is not from the king of change. Competitions are not allowed pollution is mainly used for environmental sanitary conditions, corrosion, etc., the line speed is high, easy to wear and other conditions.

Q: The engine cover, or valve cover, cylinder head cover, the cover is the engine.This is my graduation project... The NASTRAN is used, but the rest of the software is basically the same.Hope to have experienced master Zhidianmijin ah.At present, only 12 order free modal analysis is performed. The final is to do static strength, sealing. The details of the process are not clear. For example, how does the bolt hole bind? Does it hold all the points on the inside surface? What about the boundary conditions and loading? It has more than ten bolt holes, one ring gasket, and 120 0.7bar pressure inside. The material is engineering plastics.Or some people know the whole process from modeling to the results of the general steps to say, you can, thank you first. OK, add more. StopFrequency response and transient response are currently being done: What a big question you asked! I'll tell you a little about it. I hope it will help you.Let's first talk about frequency response analysis!1. study the specialized finite element mesh division soft (HyperMesh)If you have plenty of time, first learn about the finite element mesh, like Hypermesh. The mesh is pretty nice. And you'll probably use it later on,.2. establish the calculation modelGroup the mesh models into Patran, and then combine them with paste and other functions. As for the bolt hole, you can fix the inner surface. If someone asks you for a reason, you can say that the result is conservative, and that's how it works in Engineering3. detailed steps, you can find reference books.I haven't done it myself for tightness. I'm not sure about my point of view. First of all, the problem is thermal gas solid coupling. Ha ha, seems very complicated. I don't know. I understand, right?Suggest you change ABAQUS software, try it. I'm not sure. There are plenty of examples in each software that you can take a look at. The ABAQUS help file has examples of thermal coupling and fluid solid coupling. You combine these two examples to see. What might be like?

Q: Silicone rubber gasket can withstand acid and alkali corrosion?: Silicone rubber has excellent heat resistance, cold resistance, dielectric properties and ozone resistance and ageing resistance properties, outstanding performance of silicone rubber is the use of wide temperature, at -60 DEG C (or lower temperature) to +250 DEG C (or higher temperature) under long-term use.

Q: Can pressure pads be used to seal honey?: The pressure sensitive gasket can be used to seal the honey, because the pressure sensitive gasket can seal the food.Pressure sensitive gasket, that is, pressure-sensitive gasket, also known as pressure-sensitive gasket, is composed of pressure-sensitive adhesive and PS foam sealing gasket, under the action of external force can be affixed to the mouth of the bottle, play a role in sealing freshness. The utility model provides a sealing function for a single plate type without aluminum foil, and the pressure on the bottle cap lock at normal temperature.Thickness of pressure sensitive gasket: approx 1MM diameter:Pressure sensitive gasket: the pressure sensitive gasket is used in glass bottles, metal bottles and various plastic bottles.Usage method：You just put the gasket in the bottom of the bottle (lettering on the bottom of the bottle) and then press the cap. After 100 minutes or so, when the bottle cap is removed, the pressure sensitive gasket has been tightly adhered to the bottle mouth to achieve the purpose of sealing.Gasket applications:Applicable to non liquid and paste food and pharmaceutical packaging, whether it is glass bottles or plastic bottles can be used. The degree of adhesion depends on environmental temperature, bottle cap pressure, and so on.

Q: What sealed products are used in refineries?: Metal gasket with outer ring is especially suitable for occasions with uneven load, easy loosening of joint force, periodic change of temperature and pressure, shock or vibration. It is the static seal of valves, pumps, heat exchangers, towers, Manholes, hand holes and so on. It is widely used in petrochemical, mechanical, electrical, metallurgical, shipbuilding, pharmaceutical, nuclear and aerospace industries. The metal graphite gasket is made of stainless steel band and flexible graphite band. Main application: used in the steam, oil, gas, solvent, gas, heat transfer medium and so on contact the pipeline, the valve, the pump entrance and exit, each kind of heat exchanger, the reaction tower, the observation hole, the hand hole and so on part seal. Also, give a material for your research. The sealing material types and application of temperature and pressure seal sealing characteristics of note temperature are less than 80 in low pressure resistant oil resistant asbestos asbestos medium aramid sheet non asbestos sheet flat gaskets for pipe flange interface, water, gas, oil, acid and dilute liquid asbestos material has become obsolete, is not recommended to increase the use of rubber gaskets with skeleton under pressure, hydraulic pressure move among force and soft sealing, wear resistant parts available polyurethane products resistant PTFE flat gasket outsourcing low pressure under the condition of strong corrosive medium temperature less than 120 DEG -260 DEG high pressure resistant rubber and Ding Qing seal, all kinds of V, U, Y type O type ring, under high pressure hydraulic sealing rubber products Gabriel.

Q: Gaskets / seals, where are those / manufacturers available?: 3, piston special sealing ring: (lips mouth sealing ring: SODI, YXD, UNP, UHP, KDAS, SPGO)

Q: It's the kind of gasket for a sanitary pipe chuck. I don't know where it is. I've been looking for it for a long time.: If it's not urgent, look at other areas. Look at what type, the Hunan history of dense rubber products company specializing in the production of sealing ring, the Internet should be able to find the product introduction.

Q: Should the rubber washer be placed above or below the gasket?: The rubber pad is placed between the iron gasket and the machine to seal, shock absorption and prevent the screw from breaking the rubber pad.

Q: 500 degrees of high temperature pipeline flange connection, what sealing ring is more appropriate?: Generally use copper or flexible graphite metal gasket. If the pressure requirements are high, it is recommended to refer to the "steel pipe flange" HG/T20615-2009 standard, the flange sealing surface into a convex surface, concave / convex, tenon / groove surface, full plane or ring connection surface. The gasket can be made according to HG/T20627 ~ 20633 and HG/T20635.Can the nature of the project, many can choose the type of gasket, metal gasket, asbestos free and can choose the graphite graphite spiral wound, high temperature 520 degrees, non asbestos high temperature of 200 degrees, so the PTFE temperature of 260 degrees, and you choose. But in China there is a civil also has asbestos board, the sealing effect can also. So I think the design should be based on what the design is gasket, what is the gasket?.

Q: Will the pipe flange be welded with graphite gaskets?: The type is optional, without hemming, inner wrapping, outer wrapping, inner and outer wrapping. Graphite cut gasket is from pure graphite plate drilling or cutting and it has good corrosion resistance, high / low temperature, compression elasticity and high strength good, complex geometric gasket circular is widely used in all kinds of pipes, valves, pumps, pressure vessels, heat exchanger, and condenser generator, air compressor, exhaust pipe, refrigerator etc..

Q: How to make a faucet washer?: The faucet gasket is silicone.Silicone (Silica gel; Silica) alias: silicone rubber. Is a highly active adsorption material, belongs to the amorphous substance, its chemical formula is mSiO2. NH2O. Insoluble in water and any solvent, non-toxic, tasteless, chemical stability, in addition to strong alkali and hydrofluoric acid, do not react with any substance. Different types of silica gel have different microporous structures because of their different manufacturing methods. The chemical composition and physical structure of silica gel determine that it has many characteristics which are difficult to be replaced by other similar materials: high adsorption properties, good thermal stability, stable chemical properties, high mechanical strength, etc..Silicone rubber with high temperature resistance to ozone and prominent, weather resistant performance, using its unique elastic and ozone in the temperature range -70 ~ 260 degrees of internal energy, weather resistance and other advantages, suitable for the production of gasket.

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