SAE 100 R7/EN856 R7 DN6

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Q: What is the difference between the precast beam of the bridge and the method of pulling out the rubber tube after pouring the concrete? What's the difference between design and calculation?: Corrugated pipe is included in the design of the amount of engineering, the role is: reserved strand space. Its length is calculated when the work length of the steel strand.

Q: What kinds of pipe joints can be divided into? What are the differences between the so-called one - piece pipe joint and other types of pipe joint?: The pipe joint is divided into a steel pipe joint and a hose joint.The steel pipe joint is provided with a clamp sleeve type, a welding type, a clapboard is connected, a reducing connecting, an oil inlet connection, a combined connection, a pressure gauge connection, a flange connection, etc..A seizure type hose connector, removable, plug-in, you said one pipe joint is extruded hose connector, connector and sleeve is one, there is a separate.My side is to do this piece, the United States PARKER Parker hydraulic hose, joints, assembly, quick change connector.

Q: How to prevent leakage of rubber joint check valve?: As a result of rubber materials, pure flexible check valve, no noise at work, very quiet, reduce noise pollution of the environment. Because his rubber material belongs to butyl rubber, so his wear resistance is very good.

Q: How can you pump out the water from a fishpond with a rubber tube?: First, to make the water end elevation is equal to or less than the pond bottom elevation, with a rag like volume by water outlet end, not tight, no leakage on the line, one on the water inlet end station pool dike protection is slightly higher than that of embankment, the other one with the container to the rubber tube irrigation, until all the filling pipe, if small diameter

Q: How to remove hose odor?: The hose structure is usually divided into: inner layer, outer layer and skeleton layer (or middle layer). The inner layer directly bears the abrasion and erosion of the conveying medium; the outer rubber layer protects the inner part of the hose from the damage and erosion of the external environment; the skeleton layer is the pressure bearing layer of the rubber tube, and gives the strength and rigidity of the pipe body. The working pressure of the hose depends on the material and structure of the skeleton.

Q: Is flexible rubber joint and telescopic device a kind of thing?: The main features of metal pipe telescopic device are telescopic, large compensation and high temperatureUnder great pressure.And flexible rubber joint is a product!

Q: What are the methods of sterilizing rubber hoses and Perspex?: It is suggested that osmotic absorption of water can be used to kill bacteria.

Q: Why should the water stop strip be joined by heat instead of superposition?: Lap joint of rubber water stop belt is lap joint, this method is not allowed in engineering, glue glue and do not use overlay. In the case of splicing, it is equivalent to not doing any treatment at the joint. In the process of pouring, the sealing strip is prone to roll and twist.

Q: Flexible rubber joints. What do they mean by flexing?: Stainless steel bellows are not a kind of rubber joint.Flexure generally means that it can be bent repeatedly.The rubber joint mainly plays the axial and angular compensation displacement, and withstands the mechanical vibration, protects the pipeline not to burst.Stainless steel bellows can also be flexible, but the performance of vibration proof is better than that of rubber joints. If the requirements of the engineering drawings are rubber joints, it is better to be careful. Don't change it indiscriminately. Otherwise, the service life will be affected

Q: What material is the rubber joint used in the desulfurization pipeline? What's the difference?: Three yuan EPDM rubber joint can be used, PN4-6 is no problem. Generally, the desulfurization pipeline is weak acid base,

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