DIN EN 857 2SC Hydraulic Hose DN38

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DNHose I.DHose O.DWorking PressureBurst PressureMinimum Bend RadiusWeightLength
inchmmmmMPaPsiMPaPsimmkg/mmetres
61/46.412.530435012017400750.1450/100
85/167.914.027.5398011015950800.2050/100
103/89.516.522.532639013050900.2650/100
131/212.719.820290080116001270.3550/100
165/815.923.01521756087001530.4850/100
193/419.026.71521756087001800.6050/100
25125.434.91115954565252300.9050

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Q:What is the essential difference between natural rubber and three yuan ethylene propylene rubber?
The electric property of natural rubber is a kind of non polar material, and it is a better insulating material. When the natural rubber vulcanization after the introduction of polarity factors, such as sulfur, accelerator, so that insulation performance.The dielectric properties of natural rubber are a nonpolar substance that is soluble in non-polar solvents and non-polar oils. Natural rubber is not resistant to cyclohexane, gasoline, benzene and other media, non vulcanized rubber can be dissolved in the above medium, vulcanized rubber swelling. Natural rubber insoluble in polar acetone, ethanol, more insoluble in water, resistant to 10% hydrofluoric acid, 20% hydrochloric acid, 30% sulfuric acid, 50% sodium hydroxide and so on.
Q:The principle of the common bicycle valve
An elastic thin edge hose is placed below to form the whole of the core. In fact, it is a one-way valve. When inflating the bicycle tyre, the compressed air in the air pump enters the valve core from the hollow part, and the elastic rubber tube is top, and the air enters the tyre.
Q:What are the types of cable metal hose connections?
It is mainly used for connecting the box and hose in place. Open the box in the box and plug into the joint. The external thread joint is fixed with the lock.
Q:What are the materials used in rubber joints? What are their advantages?
While the three EPDM is ethylene propylene diene hydrocarbon, and non yoke of three yuan is the main characteristic of copolymer, excellent oxidation resistance, ozone resistance and anti erosion ability, also has excellent curing characteristics. Simple speaking is resistant to high temperature.The nitrile rubber by emulsion polymerization at low temperature, excellent oil resistance, high abrasion resistant, good heat resistance, strong adhesion. (oil).
Q:In long-term high temperature environment, silica gel tube and three yuan ethylene propylene rubber hose which is good durability?
Silicone hose is relatively soft, flexible, and looks better than other rubber tube gloss, color is mostly red, blue, translucent and other colors.
Q:Why does Br2 corrode rubber tubes?
Bromine elements need to be sealed with water to prevent steam escaping and harm the human body. Oxidizing, there are a variety of variable valency, under normal temperature and weak water reaction, generating hydrobromic acid and bromate. Heating increases the speed of reaction. Hydrobromide is a strong acid with an acid stronger than that of hydrogen chloride. Bromine is commonly used in organic synthesis.
Q:The difference between hose and rubber tube
Silicone tube: also known as silicone tube. Used as liquid, gas, and other materials to circulate and coat carriers.Latex tube: latex tube is made of latex material of different thickness of tubes, mainly used in hospitals, equipment factories, power plants, research laboratories and other fields, but also related to bungee jumping, trampoline and other places of entertainment.
Q:The newly purchased natural rubber tube is too large. How can it be removed?
The curing agent and accelerator taste, rubber itself is tasteless, sulfur curing agent debris less is better, if no sulfur, with peroxide. Oil also has a flavor, and rubber Odor Remover can be removed, and that is, some spices
Q:Petroleum gas has a corrosive effect on ordinary rubber pipes and is easy to cause air leakage. So, what kind of hose must be used?
Petroleum gas is corrosive to ordinary rubber pipes and gaskets and easy to cause air leakage. Therefore, it is necessary to use rubber pipes and gaskets with strong oil resistance
Q:Method for connecting glass tube and rubber tube
Put the glass tube wet with water, and then put the rubber tube water preheating, now holding a glass tube, a hand wring rubber tube, you can complete the glass tube and a rubber tube connection.

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