Problems that are prone to occur in the production of the hose assembly
2022-05-26 15:49:43
The main source of the safety problem of using high-pressure water to clean the hydraulic system is the internal cleaning of the hydraulic pipe. Due to the limitation of the production process, there are already debris and other substances in the rubber hose during the production process. It will also be the main problem affecting the cleanliness of the inner wall of the hydraulic hose assembly. At present, the ultra-high pressure water cleaning hose produced by Luohe Litong Hydraulics uses ultra-high pressure water to wash the inner wall, and the effect is very good. It is recommended to use it. The characteristics of sandblasting pipe: the inner rubber is made of cis-butyl and butyl rubber as the main raw materials, and special reinforcing agent is added, so that the rubber pipe produced will have the characteristics of high wear resistance and high toughness.
In addition, the use of high-quality and high-strength cords as the reinforcement layer can make the hose have the characteristics of high pressure resistance and anti-torsion, and the use of wear-resistant natural rubber as the outer rubber layer has the characteristics of drag resistance. 150PSI Corrugated Tank Tubing This tubing body is primarily designed for oil field vacuum tank service to handle crude oil, fracturing solutions and slurries, however this tubing body is suitable for up to 35% aromatics, not for refined petroleum products. The interior is made of black nitrile-PVC mixed rubber, and the exterior is made of black corrugated SBR rubber. In order to ensure its continuous operation at 150psi, the middle of the tube body is reinforced with high-tensile textile ropes and high-flexibility spiral steel wires.
Nitrile rubber is a copolymer of acrylonitrile and butadiene, which has excellent resistance to petroleum and non-polar solvents, as well as good mechanical properties. The specific performance mainly depends on the content of acrylonitrile in it. Those with acrylonitrile content higher than 50% have strong resistance to mineral oil and fuel oil, but their elasticity and permanent compression deformation at low temperature become worse, and low acrylonitrile Nitrile rubber has good low temperature resistance, but reduces oil resistance at high temperature. According to the different pressure strength of the medium such as conveying mud, sand and gravel, the hose adopts cord fabric and multi-layer spiral steel wire (1-3 layers of steel wire braiding or 2-8 layers of steel wire winding can be customized according to needs) as the skeleton material, which has high pressure resistance. , tensile resistance and other characteristics, effectively improve the construction efficiency and ensure the operation safety of the shield machine. Chemical delivery hoses are mainly EPDM-based inner rubber materials, which often require customized raw materials and design solutions. Hose processing technology Steel wire hand-woven hose structure: The hose is composed of an inner rubber layer, a two-layer steel wire hand-woven interlayer and an outer viscose. Uses: Suitable for liquid presses, such as: ethanol, gasoline and diesel, grease, emulsified oil, etc. The hose has good performance and long service life.
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