Glue flowmeter | PVC drainage pipe is broken in the middle and cannot be moved on both sides. How to connect it

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1. How to connect PVC water pipes

The connection methods of PVC water pipes mainly include three ways: rubber ring interface, adhesive bonding interface, and flange connection interface

1. Rubber ring interface: expand one end of the pipe excavation section into a concave groove socket through an expansion machine, place a flexible rubber sealing ring, and insert the unexpanded end of the other pipe into the socket with the sealing ring to complete the connection

2. Adhesive bonding interface: expand one end of the pipe into a smooth socket, apply special adhesive to the end of the other unexpanded pipe, and then insert it into the expanded socket, and complete the connection through adhesive bonding

3. Flange Connection port: When connecting pipes to conventional pipelines, butterfly valves, gate valves, flow meters, etc., connect the connected end of the pipe to the PVC-U flange, and then tighten it with screws to connect it to other equipment. The connection of water supply pipe fittings usually adopts two methods: adhesive bonding interface and flexible interface. 1. Adhesive bonding interface: the socket of the pipe fitting is injection molded into a smooth socket, and special adhesive is applied together with the pipe to complete the connection through socket insertion. 2. Flexible interface: the pipe fitting is injection molded into a socket with a groove, equipped with a tightening screw cover, and a tightening rubber sealing ring is inserted. After inserting the pipe into the corresponding socket, tighten the tight screw cap to complete the connection. Performance comparison between UPVC and PE pipes: - UPVC pipes have strong corrosion resistance, are easy to connect, are inexpensive

, have a hard texture, but are not suitable for hot water transportation. The joint bonding technology requires high requirements and the curing time is relatively long. -PE pipes are lightweight, have good fatigue strength, good temperature resistance, good toughness and flexibility, but welding requires electricity and the cost of mechanical connectors is high. The linear expansion coefficient of UPVC and PE pipes: - The linear expansion coefficient of UPVC (rigid polyvinyl chloride) is 6 × 10 ^ -5. -The linear expansion coefficient of HDPE (high-density polyvinyl chloride) is 18 × 10 ^ -5. -The linear expansion coefficient of MDPE (low-density polyvinyl chloride) is 16 × 10 ^ -5. The linear expansion coefficient of PE pipe is much greater than that of UPVC pipe, and should be considered in the design. Comparison of aging resistance performance of UPVC pipes: - PVC pipes are superior to PE pipes in terms of aging resistance value and long-term strength. -From the perspective of damage form, PE pipes are superior to PVC pipes. The ease of rolling and fusion of pipes are mainly related to installation processes, transportation, and other factors, and should not be used as the main indicators for evaluating materials.

2. The PVC drainage pipe is broken in the middle and cannot be moved on both sides. How to connect it

1. Use a hacksaw to cut off the broken part in the middle

2. Use a hacksaw to clean and tidy up the dividing line in the middle of the pipe clamp

3. Put the pipe clamp without dividing line on both ends of the cut PVC pipe

4. Cut a PVC short pipe of the same specification so that the length is equal to the size of the middle gap. Mark the two ends of the short pipe in

Glue flowmeter | PVC drainage pipe is broken in the middle and cannot be moved on both sides. How to connect it

1. How to connect PVC water pipes

2. The PVC drainage pipe is broken in the middle and cannot be moved on both sides. How to connect it

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