​How to Apply Commonly Used Flexible Cast Iron Pipes?

14 Jan.,2021

As a Cast Iron Drain Pipe Manufacturer, share it with you.


As a wide ball valve selection, share it with you.

Flexible cast iron pipes are commonly used in building drainage systems. The primary function is to drain and exhaust. Therefore, safety must be guaranteed. Then the installation and operation procedures of flexible cast iron pipes should be strictly implemented in accordance with the standards. When digging the trenches, The prefabricated pipe sections of the flexible cast iron pipe should be arranged in order from the water outlet to the room according to the direction of the incoming water.

Cast Iron Drain Pipe

Cast Iron Drain Pipe

Gradually put the prefabricated pipe section into the work pit for twisting the ash opening, and then block the total water outlet, make temporary support, and connect the pipe section sockets according to the construction drawings, and the flexible cast iron pipe is twisted in the pipe trench Before ashing, straighten the pipe first, use a hemp drill or a thin twist chisel to average the gaps between the sockets, tighten the hemp, straighten, and correct. Use soil on both sides of the pipe to prevent the pipe from shifting when twisting the ash.

Flexible cast iron pipes should be stopped in accordance with the above operating procedures to ensure quality and safety. These must be paid attention to. Flexible cast iron pipe is a relatively old material. It was used as a drainage pipe in the past, but now it is popularly replaced by PVC pipes. Cast iron pipes are used as drainage standpipes for more important constructions.

Flexible cast iron pipes are divided into three types: A, B, and W. Its connection methods are divided into two kinds, clamp connection (W-shaped pipe) and flange connection (A, B type). The flange connection is called flexible connection. There are also differences in the connection of type flanges. The type A straight pipe is generally 183cm/piece. One end has a fixed flange as a socket and the other end is a socket. It is handmade, with good quality and high price.

It is 300cm/piece. Both ends are not flanged. They need to be connected by sleeves (equivalent to the direct connection of PVC). The price is lower than Type A. Cast iron pipes are widely used today. Flexible cast iron pipes have radial dimensions. It has the advantages of small size (without blue plate), easy layout, space saving, length can be cut on site, pipe saving, convenient disassembly and assembly, and easy repair and exchange.

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