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Can the negative pressure resistant flexible rubber joint of ring static pipeline deal with the horizontal suction problem

Time: May 30, 2020 󰃯 Reading times: 449 󰃳 Editor in charge: The sea 󰃗 Column: product focus

Introduction: According to the name of flexible rubber joint, there are also some considerations from its characteristics, such as: buckle groove rubber joint, flanging rubber joint, negative pressure rubber joint, etc. Rubber joint has a lot of inestimable role, especially in the pipeline of various companies and processing plants

For flexibility Rubber joint The name is also considered from its characteristics, such as: buckle groove rubber joint, flanging rubber joint, negative pressure rubber joint, etc. In particular, the company has a wide range of components and equipment, especially in the pipeline processing plant.
The pressure of the rubber joint in the pipeline: one is the common positive pressure, which flows into the flexible rubber joint by the internal medium according to the flow rate, and the other pressure is called negative pressure. The negative pressure comes from the sharp decrease of internal air caused by various reasons in the pipeline, resulting in suction. The pipeline can certainly bear the burden. At this time, it depends on whether the rubber joint can completely resist. If the negative pressure can not be borne, the flexible rubber joint will be sucked flat.
At this time, the installation of negative pressure ring is a good shortcut. The installation of negative pressure ring is an essential work of flexible rubber joint. Because the positive pressure of flexible rubber joint can be high, the negative pressure is the opposite. For the installation of negative pressure ring, the applicability of rubber joint will be improved. The installation of negative pressure ring is generally carried out before the assembly of flexible rubber joint. Because the negative pressure ring is as big as the gas pressure ring, the rubber joint after assembly is a very complex thing. The installation of negative pressure ring also improves the stability of rubber joint.
The characteristics of negative pressure resistant flexible rubber joint: it has the advantages of negative pressure resistance, good elasticity, large displacement, balanced pipe, shock absorption, noise reduction and easy installation. It can also greatly reduce the vibration and noise of the pipeline system. It solves the problems of interface displacement, axial expansion and different intermediate degree of various pipelines installed at the pump inlet or pump inlet with high vacuum degree, and solves the situation of flat bonding.
Check the quality of flexible rubber joint:
Low temperature method: obtained from finished products Rubber flexible joint Dry ice and alcohol are used to create a suitable low temperature environment. If the flexible rubber joint is immersed in low temperature for 2-5 minutes, it will be hard and soft at the selected temperature. For example, at - 40 ℃, the silica gel with good heat resistance and wear resistance is better than fluorocarbon adhesive, but the silica gel is too soft.
2. Hot air aging test: extract the flexible rubber joint sample from the finished product and put it into the aging box for one day to observe the condition of the rubber joint after aging. It can be aged in stages and gradually heated. For example, Cr, NR and SBR become brittle at 150 ℃, and nbrepdm is elastic. When the temperature rises to 180 ℃, NBR will become brittle, while HNBR will become brittle at 230 ℃. Silicone and fluoro rubber are still elastic.
According to the name of flexible rubber joint, there are also some considerations from its characteristics, such as: buckle groove rubber joint, flanging rubber joint, negative pressure rubber joint, etc. At this time, it depends on whether the rubber joint can completely resist. In the hot air aging test, the flexible rubber joint samples were extracted from the finished products and put into the aging box for one day to observe the condition of the rubber joints after aging.
 Rubber joint_ Shock absorber_ Compensator Shanghai Huanjing Shock Absorber Co., Ltd

Shanghai Huanjing is a pipeline equipment manufacturer integrating R & D, manufacturing, sales and service. Its main products are: limited rubber joint, flexible rubber joint, flexible pipe rubber joint, rubber shock absorber and other pipeline products. The performance is reliable and can be customized according to needs. The products have been in short supply and sold well in domestic and foreign markets.

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