Engineering can be said to be very critical, because the role of such bellows is mainly to convert pressure into displacement force. Nowadays, there are pre-stressed bellows with different materials in the market, including metal materials and plastic materials. The overall sensitivity is high, and has a very good performance index. In the past few years, businesses have begun to introduce such pipes, which in turn made basic precautions for the installation of pre-stressed bellows , which has aroused everyone’s concern. Here we briefly introduce to you consumer groups and businesses about the basic precautions for the installation of prestressed bellows , so that everyone can be more accurate and smooth throughout the installation process. Diameter of prestressed bellows Pre-stressed bellows have a diameter of 97. Prestressed bellows brand Product One: Baishun Prestressed Metal Bellows Type: Axial Material: carbon steel Connection method: welding Wall thickness: 0.3mm Tube thickness: 6mm Special features: high pressure resistance Shape classification: ripple compensator Product II: Prestressed Metal Bellows Brand: Tianjin anchor Nominal diameter: 35-130mm Uses: Prestressed grouting construction Wall thickness 0.25-0.5mm Structure: single wall corrugated pipe Length: 10m Product 3: Prestressed Metal Bellows Brand: Zhongqiao Model:ZQ Specification: Φ35-130 Product 4: Prestressed bellows Material: HDPE Brand: Kaishun Product 5: Pre-stressed plastic bellows Production company: Chongqing Qiaodu Building Materials Co., Ltd. Product price: 6.00 yuan per meter Nominal diameter: 100mm Wall thickness: 2.5mm Structure: single wall corrugated pipe Length: 10m Scope of application: bridge prestressed pipeline Product 6: Prestressed concrete bridge metal bellows Nominal diameter: 35-140mm Uses: Prestressed Tension Construction Wall thickness: 0.25-3.8mm Structure: single wall corrugated pipe Production company: Tianjin Zhongan Prestress Co., Ltd. Product 7: Yellow Prestressed Plastic Bellows Material: HDPE Nominal diameter: 40-120 Nominal pressure: 6 Uses: Steel Strand Tension Production company: Yixing Yuanmao Bellows Co., Ltd. Prestressed bellows manufacturers Hengshui Stone Engineering Rubber Co., Ltd. is one of the domestic well-known prestressed bellows manufacturers. Since its establishment, it has not only its own factory, but also has 150 production employees and 40 professional and technical personnel. Over the past few years, adhering to the principle of leading technology and quality first, we have provided high quality products for many new and old customers. The project is not only a pre-stressed plastic bellows, but also has various materials such as plastic blind ditch, metal bellows, acoustic pipe, and soft water pipe. In addition, Chengdu Yilin Pipe Industry Co., Ltd. is also a pre-stressed bellows manufacturer in Sichuan which is very popular with consumer groups and businesses. In recent years, Chengdu Yilin Pipe Industry Co., Ltd. has introduced a number of fully automatic plastic extrusion production lines, not only that, but also supporting high-tech advanced equipment, so that the overall production efficiency and product quality are greatly improved. The types of products offered as well as the specifications are also increasing. Including: PVC single-wall corrugated pipe, HDPE single-wall corrugated pipe, PVC double-wall corrugated pipe, CPVC high-voltage power pipe, FRP cable protection pipe, HDPE double-wall corrugated pipe, PVC porous communication pipe and other related plastic pipe. Prestressed bellows installation First, when trenches are laid in corrugated pipelines, they must be operated according to the specified design requirements and construction procedures that meet the standards. And the placement must be as straight as possible. If there is unevenness at the bottom of the ditch, you can pave the sand and lay it flat. Not only that, but also various types of hard materials in the trench should be removed before the pipe is buried, which can avoid the deformation of the bellows caused by the hard material during the later use. Second, during the installation of prestressed bellows, each prestressed bellows may have different lengths. At this time, it is necessary to measure the exact length of the pipe and saw it after the required length of the actual environment. When sawing, must pay attention to the flatness of the incision, so as to have better sealing when connecting. Third, when installing the first section of the prestressed bellows installation, do not fill the soil as much as possible. Try using a cable wearer, which can be successfully perforated before proceeding with the following pipe laying project, which is more conducive to later laying. Fourth, after the installation of the prestressed bellows, it must first use fine soil or finely cover it to meet the standard height. Remember not to leave the corrugated tubing in a suspended state. In addition, if the external force caused a certain damage to the pipeline or other. At this time, cement is used to cover the hole, so as to further ensure the safety of use. Fifth, after the installation of the bellows, the relevant personnel should remove the auxiliary positioning components and related fasteners on the bellows as soon as possible. And in accordance with the requirements of the specified design, and then adjust the limit device to meet the required position, so that it can help the pipe to play a better compensation ability under the environmental conditions. Editor's summary: Pre-stressed bellows is a new type of pore-forming material. This new type of material has good sealing and water permeability, and is mainly used in cement structures. Thus, the applicable range of pre-stressed bellows can be seen. Very extensive, naturally many people buy it, but the quality of pre-stressed bellows on the market is uneven, prices vary, it is difficult for people to choose a relatively high cost of the product. 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