Oil resistance evaluation of various industrial hoses on the market

Oils used include lubricating oil, gear oil, engine oil, gasoline and diesel oil and other raw materials. The evaluation of oil resistance is generally to measure the percentage of volume (or quality) change of vulcanizate in oil, or the percentage of strength change (or difference) after soaking in oil at a specified temperature and time. The oil resistance of vulcanizates is entirely dependent on the physical properties of the plastic, the vulcanization management system and the oil used. UPE wear-resistant hoses are mainly found in the tail-end transportation parts of truck-mounted pumps in engineering projects and the painting transportation parts of mortar sprayers. Because the substances transported in the spray pipe are irregular, there are also high requirements for the wear resistance of the spray pipe. And the inner layer of many parts of the pipe body can be used for many times as long as the cement concrete pipeline after the inner layer of the pipe body is applied. The high saturation of UPE also makes the equipment less susceptible to corrosion by alkaline substances in the concrete. Litong's unique professional technology overcomes the defect of poor wear resistance of the general tube body, especially the concrete plastic hose with inner rubber UPE, its service life can reach more than 3 to 4 times the service life of the general wear-resistant hose. Enterprises and customers create agreements on the warranty period of Litong rubber pipes and hose joints. Litong always adheres to the development strategy of "improving the software quality of my country's hydraulic piping system, reducing customer maintenance costs, and saving energy for the society. People-oriented", Litong is based on Strengthening the education of party spirit and ideological and political education has brought powerful spiritual motivation and ideological assurance to the production work. In the work, the military-grade commodity order information should be treated with a more serious and meticulous work attitude.

Powder screw conveyor is a material conveying mechanical equipment that conveys materials to the production line. Screw conveyors are used to transport continuous high temperature powder or liquid granules such as chemical plants and building materials. The internal structure of the screw conveyor adopts the conveying pipe, the leaves are welded on the conveying pipe by electric welding, and the spiral electric welding is welded. The screw auger blade pushes the raw material to the screw conveyor, and the raw material does not follow the screw conveyor. The rotation force of the leaf is the weight of the raw material itself. According to the different transportation materials, the face shape of the blade can be divided into solid face shape, with face shape, blade shape and so on.

What are the advantages of PTFE plastic hose? 1. Good insulation performance, can reach 1018 ohms/cm, will not be harmed by the environment and frequency, low dielectric loss, and high transmission voltage; 2. The unique self-smoothing property of PTFE plastic hose. With relatively small frictional resistance in plastics, it is a better all-oil-free smooth material; 3. The prominent appearance is not sticky. It is impossible to adhere to the surface of known solid raw materials, which are also liquid raw materials with relatively small surfaces. There are many types of reinforcements for wear-resistant sandblasted plastic hoses, including classifications suitable for low voltage or high pressure in different conditions of the natural environment, among which: textile structure reinforcement Spiral structure reinforcement = most suitable for low voltage Pressure application; steel cord lifting stainless steel wire spiral lifting = most suitable for high pressure applications. Wear-resistant sandblasted plastic hoses have a wide range of applications and are suitable for anti-rust treatment, sand recycling, and concrete transportation in various tunnel construction, coal lanes, ventricles and other construction projects. get increased.

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