DIN EN 853 4SP DN16

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Q: Can the copper tube of GREE air conditioner be changed into rubber tube?: Can not.One is the pressure rubber tube is not high, not more than 10 kilograms, the pressure in the air conditioning system requires more than 20 kilograms; at the same time, the air-conditioning system in operation, the temperature exceeds 100 degrees; no air conditioning system must be sealed, rubber tube under compression are not to do. In addition the rubber pipe corrosion, aging in exposed to the weather.

Q: How can I connect the gas tank connection hose?: The general is directly inserted into the connector on the line, if loose, can use wire twist, still feel not reliable, can go to the market to buy two hoop, screw on the line.Keep it clean.

Q: SolidWorks how do you put rubber hose on the iron pipe?: This is to be made into an assembly. First, parts, iron pipes and rubber pipes are made separately, and then the assembly is made to fit together.

Q: How can you pump out the water from a fishpond with a rubber tube?: Hold both ends of the rubber hose with both hands. One hand blocked nozzle, not to leak. Inhale with the mouth, suck the air out of the rubber tube, and then quickly put the blocked end into the tank. The lower end of the mouth is lowered and the water will flow out automatically. If there is no outflow, then put the rubber tube directly in the fish tank and inhale at the other end with the mouth. The water will be guided out, but the action should be quick, otherwise the water will remain in your mouth. In fact, this method is also from the oil tank in the car oil discharge method.

Q: What happened to the soft rubber flat?: Rubber soft joint is a common rubber telescopic device". The inner pressure of the pipe or the equipment, because of the decrease of temperature or the venting of the vertical section, causes the internal negative pressure.

Q: How can we prevent the aging of rubber tubes?: The second is the design of the structure of the rubber products (especially damping products), has a great relationship between aging and fatigue, should avoid stress concentration! If the product is good has been produced to prevent aging, more trouble! Can be sprayed on the rubber surface, spraying insulation polymer.

Q: What is the difference between plastic lined steel pipe and rubber lined steel pipe?: Difference1. processing technology:Rubber lined steel pipe generally adopts the manual adhesive, vulcanizing process (can also be cold bonding operation); plastic lining pipe generally adopts the heating equipment, the overall rotational (tight loose lining, lining, molding, molding) main process steps can be completed by means of equipment. Therefore, the production efficiency of the lining pipe is obviously higher than that of the lining rubber tube.2.: the physical properties of rubber lined pipe due to the inheritance of the excellent properties of rubber, the chemical corrosion and wear resistance, heat resistance is also very prominent, and the plastic lined pipe in addition to resistance to chemical corrosion and lining hose close to the outside, in the wear resistance, heat resistance and adhesive strength are not as lining hose.

Q: What's the cause of a default like a general rubber product?: Measures to prevent aging: from the point of view of aging, one of the main reasons is the polymer structure itself. Therefore, it is important to improve the structure of polymers to improve their aging ability. For example, in rubber vulcanization, there are still unsaturated double bonds, and rubber products in use and it is difficult to avoid the erosion of sunlight, oxygen, ozone, so people on the synthesis of new varieties, to avoid or reduce the polymer chain of rubber double bonds, such as ethylene and propylene two monomer by copolymerization made two yuan B two rubber, different from other synthetic rubber is one of the major characteristics in the structure of the backbone is not completely saturated with double bond, making it the most ozone resistance, chemical resistance, high temperature resistant rubber aging; there is a kind of antioxidant, such as adding oxygen or ozone to prevent aging caused by antioxidants. Add UV stabilizers, heat stabilizers, preservatives and other unfavorable factors, and caused by aging.

Q: The selection of valves and fittings has the following requirements: The selection of hose inner screw thread joint can be rotated, because not hose and the joint body can rotate freely after buckling, configuration of internal thread after disassembly for hose.

Q: Laboratory condensate water pipe must use rubber tube, shall not use latex tube reasons: Suction flat test: in the 1min vacuum, after maintaining 10min, with diameter of 0.9 times the diameter of the hose rolled over, check the degree of collapse of the hose. Some standards used to measure the rate of change in the outer diameter of the hose to indicate the extent of deformation of the hose.

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