DIN EN 853 4SP DN16

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DNHose I.DWire O.DHose O.DWorking PressureBurst PressureMinimum Bend RadiusWeightLength
321 1/431.846.050.821.0300084.0120004603.3220/40
381 1/238.152.457.718.5365074.0108005603.7020/40

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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:Can the rubber hose for the LPG cooker and gas cooker be general?
The rubber hose for the gas cooker and the gas cooker can be used as long as the size is the same.
Q:What about leakage of hose joint?
No matter what kind of pipe joint leaks, you can repair the hose with a special adhesive tape for temporary repairs. Specific operation method is: first, close the valve after the water is cut off, open the faucet to the appropriate position to release most of pressure inside the pipe and then use special tape tied Water Leakage parts, or with epoxy adhesive to seal.
Q:How to identify the quality of rubber pipes for sewage treatment?
A tubular rubber product used to transport gases, liquids, slurries, or granular material. It is composed of inner and outer rubber layer and skeleton layer. The material of skeleton layer can be made of cotton fiber, various synthetic fiber, carbon fiber or asbestos, steel wire and so on.
Q:Why are the lengths of the household combustion equipment linked to the gas pipe hose no more than 2 meters?
According to the CJJ12 specification for installation and acceptance of domestic gas burning appliances specified in the 5.0.10, the length of the hose should not be less than 3m, because the hose and metal hose and rubber pipe and rubber tube difference, greater risk, need to be replaced regularly, the Gas Co to improve the safety factor, say no more than 2m, it is now more common.
Q:Can high speed air flow through a rubber tube and produce static electricity?
It is not easy to describe the magnitude of the voltage generated by the static electricity of these aggregates, which is related to the humidity, velocity, characteristics of the rubber material, and the surrounding environment.
Q:Latex tube, rubber tube, silicone tube, which three of the best tightness?
Rubber tightest is butyl rubber, rubber pipe products in general, with no fiber layer, expanding 300-500% is no problem, you can put it into the glass tube, depends on the strength of the glass tube and technique.
Q:How do the automobile rubber hoses combine with the quick couplings?
The blue fast joint with fluorine is corresponding to the pressure, and the red fast joint with fluorine is corresponding to the high voltage
Q:What is the maximum pressure that a hose can bear?
This hose with material, wall thickness, diameter is Dudu, but there are special hose pressure testing machine test the size of the market, you take a look at the next.
Q:What is the essential difference between natural rubber and three yuan ethylene propylene rubber?
The strength of natural rubber in the elastic material, natural rubber, rubber, rubber, vulcanized rubber with higher intensity. The tensile strength of uncured rubber is called Green strength, and the Green strength of natural rubber is up to 1.4~2.5Mpa. The proper Green strength is necessary for rubber processing and forming. The tear strength of natural rubber is also higher, up to 98kN/m, and its abrasion resistance is better. The reason for the high mechanical strength of natural rubber is that it is self reinforcing rubber. When stretched, the macromolecule chains tend to form crystals in the direction of stress.

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