DIN EN 853 4SP DN12

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Q: What is the function of the rubber pipe joint and the installation pipe?: The inner seamless seamless rubber joint prevents the corrosive medium from eroding the inner wall of the rubber joint and improves the service life in the high temperature resistant, acid resistant and oil resistant pipes.

Q: What is a rubber core pulling method?: When in use, one end of the hose is sealed, and the other end is inflated. A method of sealing surface of the hose end foot will truncate 1--3 rubber canvas, and then the steel pipe with coarse thread surface (steel tube with iron seal welding hose end) insertion hole, and 20 wire and hose surface densely wrapped firmly, will head with tin welding wire. Then, the valve is connected to the end of the inflatable end.

Q: What's the metal hose for fire fighting?: The main parts of production material is austenitic stainless steel hose, thus ensuring the heat resistance and excellent corrosion resistance of the hose, the hose working temperature range is very wide, is -196 - 600 degrees, use the hose on pipeline through corrosion for stainless steel plates, to ensure that the corrosion resistance of hose.

Q: My company does high-quality rubber tube, all of the core method, and why use EPDM to do the inner tube, it is difficult to take off the core, please point out! What's the reason?: The core needs to be removed, and if it is too long, the mandrel can be divided into two sections and separated from the 2 sides

Q: How do the rubber tubes fit into the galvanized pipe?: The inner diameter and outer diameter of the galvanized pipe must be determined.

Q: How can the soft joint of the pipe be elongated during use?: Do not pay attention to the daily maintenance of pipeline flexible joint, because pipeline flexible joint is composed of a natural rubber and other synthetic rubber formula made in accordance with the proportion, because from the ultraviolet irradiation, the sun is long time exposure, the surface deformation or cracks, and maintenance method has two kinds, one is a surface covering a layer of sunscreen, no requirements of the network, as long as they can block the direct sunlight, the second method is talcum powder on the surface of the rubber joint, but also need to be covered with direct sunlight to place.

Q: Hydraulic quick change joint (external thread) how to connect and seal with hose? Do you need a transition joint?: As for hydraulic joints, they don't need other aprons to seal them, and the product itself is concave, and it is convex at one end, so it can be completely sealed after connecting.

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: The rubber is sheathed on the metal cylinder. How can it be connected?: With the combination of metal rubber is coated with adhesive before production and rubber vulcanization shaping, you can use this temporary experiment 502 geliahao for glue or adhesive, but the disadvantages of this thing with winter is not strong, the metal surface must be clean

Q: How can the tightness of rubber tube and metal pipe joint be ensured?: To see what kind of material hose, small 1MM~2MM, if the inner pressure then add hoop.

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