SAE 100 R7/EN856 R7 DN20

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Q: The basement of submersible sewage pump outlet pipe installation need and flexible rubber joint is not installed? Can not?: Gu called it a shock throat. It not only plays a role in noise reduction, but also protects the pump from the adverse effects of vibration. Rubber joints belong to GB products, the price is not expensive. Recommended installation.

Q: Does the rubber tube affect the engine in the car's tank?: I don't know what you mean by that, but the car's tank itself needs to be sealed and no clutter is allowed

Q: How can you pump out the water from a fishpond with a rubber tube?: Can hand over water inlet, the water inlet end will be submerged, another person to the outlet to open the outlet end, both sides are ready to open both ends of pumping, the pumping process must remain in the water inlet end of the pond, otherwise have to repeat the process.

Q: Is the electric water heater well connected with the metal hose?: On the other hand, the utility model can effectively avoid the frequent switch of the water heater power switch because of the two grounding. Therefore, the metal pipe connection does not meet the safety and installation specifications.

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.

Q: Carbon dioxide gas shielded welding torch wire feed hose joint, that steel wire can not be drawn out, how to solve it, with welding?: Some of the torch wire feeding hose can not be replaced, it is fixed dead, such as Xiong Gu, Lincoln's self shielded flux cored wire, welding torch.

Q: What kind of material is the rubber tube with acid, alkali and high temperature resistance made of?: To acid, but also high temperature resistant material, only silica gel can do. Silica gel has a high temperature resistant material, can be used at 300 degrees high temperature for a long time, instant high temperature can reach 350 degrees. It's Jiao Jiao in the rubber hose.

Q: What are the types of hose connectors?: You go to the material market to have a look, it depends on what kind of pipe you need, which is the oil circuit. Gas road or water pipe?. Different pipe joint names are not the same (not the same).

Q: What are the standard numbers for hose couplings? What standards are they used to accomplish?: The general hose inside and outside the adhesive layer material with natural rubber, styrene butadiene rubber or butadiene rubber; hose with chloroprene rubber, nitrile rubber; acid and alkali resistant, high temperature resistant hose with ethylene propylene rubber, fluorine rubber or silicone rubber etc..

Q: Difference and application of rubber joint and rubber expansion joint: Rubber expansion joint is also called rubber joint, flexible rubber joints, rubber soft connection, soft joints, rubber expansion joint is formed by high temperature plastic rubber, rubber expansion joint and makes full use of the characteristics of rubber elasticity, high resistance, medium resistance etc..

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