CNBM Brand Oil seal

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CNBM Brand Oil seal

Oil Seal

We're professional to produce various of Rubber products with different material and have exported for 20 years.

we can provide you the all kinds of oil seal with high quality and reasonable price.

Our target is "All Customers first, Quality First, and Credit First"

This is the detail of our oil seal:

1.seal material:

NBR,HNBR,PTEE,FPM,MVQ,EPDM,PTFE,and so on

2.seal application:

trains,automobile,motocycles,trucks,buses,agricutural machinery and any equipments

3.seal certification:

GB/T19001-2000-ISO9001: 2000 standard

4.seal production control:

prouduced by priecise CNC machine

5.seal strong point:

we have our own mold center and engineer, can develop all kinds of high tech requireds.

Powerful mold quantity in stock.

Most popular type stytle including TC, TB, SC, SBC, TBG...

Q: What is the life span of all kinds of rubber seals?: Different working conditions, the degree of wear on the seal is different, such as some seals will contact strong acid, strong alkali substances, and some have to do high-frequency reciprocating friction,

Q: What's the seal water? What about the water seal?: When the loss of seal water, to make the high pressure water pump inside through the pump shaft and the seal gap between the leakage, resulting in a large number of refrigerant loss; the water temperature of the high temperature at the same time will pass through the bearing shaft and the pump body of the metal, the bearing temperature rise, which can even make the bearing burned; high speed bearing the rotation and seal between the gap is very small, when the loss of sealing water, water film here is destroyed, and the shaft seal is likely to increase the friction, the vibration of the feed pump, which will cause equipment damage and outage.The function of water seal trough is to maintain the tightness of the lower part of the furnace and to prevent the air from leaking into the air.

Q: What are the seals that are resistant to 500 degrees of high temperature?Airtight chamber gas temperature up to 500 degrees, what are the appropriate seals available? Thank you: If it is sealed gas, ceramic fiber paper is not possible, and 500 of the temperature, PTFE material will be even worse

Q: What are the seals commonly used in the industry?: In recent years, with the development of economy, the development of sealing industry is very fast. But unlike other industries, the development of the sealing industry is rapid, but the sealing enterprises are changing slowly. For example, at the end of 70s and early 80s, there are several manufacturers only in Jiangsu, Zhejiang and Shandong, and both coastal and inland, and the South and the north, everywhere seal factory, the entire industry has been sealed by the previous few, the development of 300, the growth rate can be said to be very fast. But in terms of individual enterprises, many enterprises did not change, the scale of production roundabout, or even reverse, the power of science and technology not only did not increase greatly, but some in the weakened, many manufacturers still hold "four old" do not put, that old products, old technology, old equipment, old size. Of course, there are some enterprises, imitation, imitation of some products stronger ability, but in the industry as a whole, independent development of new products capacity of enterprises is not much.In terms of products, the vast majority of manufacturers are still some winding gasket, packing ring, packing and high strength gaskets and other old products. Slightly new PTFE products, in technology and quality greatly behind foreign countries, such as PTFE packing, expansion PTFE tape. Looking around, new products are scarce.

Q: What kind of seal is the dust sealing ring?: Material features of dust ringNow most of the dust ring is formed by rubber material processing, the material dust ring is the biggest characteristic of dry friction, hence the need for the rubber material has excellent wear resistance, and low compression permanent deformation. In recent years, dust and other materials seal slowly up, such as PTFE and O ring combination, its sealing effect is very ideal, but you can use a long time, now the place is more and more.

Q: Why can't polyurethane seal be used as hydraulic oil with water glycol?: Water ethylene glycol is dissolved by water (35~55%) and ethylene glycol, and is added with water-soluble thickening agent, antioxidant, rust inhibitor and anti foaming agent, etc., or propylene glycol or other polymer can be used instead of ethylene glycol

Q: Why should the hydraulic cylinder be sealed? Which parts need to be sealed? What are the common sealing rings?: The main purpose of hydraulic cylinder is to push the piston through hydraulic oil to transfer energy to the force body. If the hydraulic cylinder is not sealed, then the two chambers of the tank will be exchanged to form an inner leakage, which will not push the piston to move.Generally in the piston, both ends of the cylinder has a sealing ring (including oil seals and dust).The common sealing rings are O, Y and special sealing rings.

Q: What are the seals? What role can they each play?: The seal is small, but its role makes it become the main industry of the national economy and national defense, chemical, petroleum, coal, transportation and machinery manufacturing, the basic components and accessories, plays an important role in the development of national economy.

Q: How to prevent the metal from sticking to the gasket?: The gasket sealing surface than the flange diameter should be small, the gasket diameter should be slightly larger than the inner diameter of the pipe diameter, two difference 2 times the thickness of the gasket, to ensure that the gasket is compressed, not into the inner edge of a container or a pipe, in order to prevent the fluid flow in the vessel or pipe.

Q: What's the difference between the sealing ring shaft and the bore?: Hole is mainly used with outer diameter, can be bigger, not small, the axis of the opposite, with more internal diameter, set on the rod is the axis...... Very intuitive.

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