Among industrial hoses, wire hose equipment is more common and is used for ventilation and vacuum. In the general application category, it is ventilation and vacuum, which can also be divided into many subcategories. So, what are the main materials for ventilation and transparent steel wires, and how to choose them?
Wire hose equipment is divided into two types: ventilation hose and vacuum hose. The performance and selection of steel wire hose equipment depends on the ambient temperature of the hose, the transmission medium of the hose and the pressure of the transmission medium.
1. It is necessary to know the internal and external ambient temperature, and the performance of the steel wire hose should meet the general conditions and special requirements of the use environment.
2. What is the medium that needs to be transported by the steel wire hose? For example, plastic pellets, fiberglass chips, and other highly abrasive materials need to be transported by air. If ventilation is required, the grinding requirements are not high, and ventilation pressure and temperature need to be considered. If it is used to transport plastic particles, glass fibers, iron filings, etc., the medium needs to have high wear resistance on the hose, so a thicker hose should be selected.
3. It is necessary to confirm the pressure of the steel wire hose equipment, and select the corresponding hose according to the actual application pressure. If the actual pressure is relatively small, but a larger hose is selected, the bending radius of the hose may be relatively large, the hose is relatively hard, and the corresponding cost is wasted. If the actual pressure is higher and a smaller hose is selected, the hose usage can be reduced after installation.
4. Steel wire The conventional materials for vacuum hose steel wire are copper-plated steel wire, galvanized steel wire and stainless steel, which have greater support pressure and greatly improve the appearance of the hose. SANSHI can customize steel wires of different materials according to customer needs, so that the PU transparent steel wire vacuum tube can withstand greater pressure.
Dust suction hose: used to inhale certain particles or powders, mainly requiring wear resistance. Ventilation hoses are classified according to different temperatures. For example, ventilation hoses with a resistance of less than 150 degrees include nylon cloth pipes, PVC expansion ventilation hoses, glass fiber composite pipes, aluminum foil ventilation hoses, polypropylene general expansion pipes, aluminum foil sandwich composite pipes, etc. Red high-temperature hoses, laminated expansion tubes, etc. with a resistance greater than 200 degrees.
Dust collection hoses are differentiated according to their abrasion resistance. According to the friction characteristics of different pipe wall thicknesses (such as 0.4mm, 0.6mm, 0.9mm, etc.), there are two kinds of PVC and PU vacuum hoses. For some small powders, Yamashi recommends using thinner tube walls. For thicker pipe walls, the particles are thicker and the wear is greater.
Explain the selection of some common industrial ventilation and vacuum hoses: for example, aluminum foil ventilation pipes are used for the exhaust of kitchen range hoods, PP general expansion ducts are welded, steel wire hose equipment is used for fire-fighting smoke exhaust ducts in tunnels and mines, clean rooms The ventilation duct is made of aluminum foil interlayer composite air duct. The hot air exhaust of the injection molding machine dryer and dehumidifier adopts red high-temperature-resistant hoses, and the high-temperature-resistant air ducts of machine tool oil mist collectors use cloth expansion ducts, etc.
