First, the connection of the radiator heating pipe:
1. The steel plate radiators are connected in series with a single pipe, which is simple and saves pipes. However, the radiator (especially at the end) has to be increased accordingly. It is impossible to individually adjust and close the temperature of each room, the system resistance is large, and the boiler outlet water temperature is required to be high.
2. The single-tube series plus crossover tube solves the problem of separate control of the radiators, but the above other problems still exist, and the increased cost of the radiator bypass devices.
3. The parallel connection of the two pipes is relatively complicated, but the regulation of each radiator is very convenient. Usually the trunk pipe is arranged on the top of the room, and each radiator is connected to the horizontal pipe by a vertical branch pipe, and the system is easy to adjust and overhaul. The problem is that there are too many pipes in the room and the decoration is affected. The air in the system is not easy to discharge, and it is easy to produce pipe flow noise.
Second, the dark pipe connection:
1. Diffusion (octopus) connection, using a water collector to connect each set of radiators, each set of radiators is an independent pipe, there is no joint under the ground, the radiators are easy to control, usually cross-linked polyethylene pipe Or aluminum plastic composite pipe. The problem is that the pipe slot is too wide and the pipe consumption is large.
2. Double-pipe parallel connection, suitable pipe is cross-linked polyethylene pipe, aluminum-plastic composite pipe, copper pipe and plastic pipe, the advantage is that all pipelines buried, indoor pipe layout is simple, the radiators are easy to control, heating system installation After very beautiful. The problem is that the process of pipe connection is better. It is necessary to ensure that the joint does not leak water, the ground is to be grooved, and the construction is relatively complicated.
1. The steel plate radiators are connected in series with a single pipe, which is simple and saves pipes. However, the radiator (especially at the end) has to be increased accordingly. It is impossible to individually adjust and close the temperature of each room, the system resistance is large, and the boiler outlet water temperature is required to be high.
2. The single-tube series plus crossover tube solves the problem of separate control of the radiators, but the above other problems still exist, and the increased cost of the radiator bypass devices.
3. The parallel connection of the two pipes is relatively complicated, but the regulation of each radiator is very convenient. Usually the trunk pipe is arranged on the top of the room, and each radiator is connected to the horizontal pipe by a vertical branch pipe, and the system is easy to adjust and overhaul. The problem is that there are too many pipes in the room and the decoration is affected. The air in the system is not easy to discharge, and it is easy to produce pipe flow noise.
Second, the dark pipe connection:
1. Diffusion (octopus) connection, using a water collector to connect each set of radiators, each set of radiators is an independent pipe, there is no joint under the ground, the radiators are easy to control, usually cross-linked polyethylene pipe Or aluminum plastic composite pipe. The problem is that the pipe slot is too wide and the pipe consumption is large.
2. Double-pipe parallel connection, suitable pipe is cross-linked polyethylene pipe, aluminum-plastic composite pipe, copper pipe and plastic pipe, the advantage is that all pipelines buried, indoor pipe layout is simple, the radiators are easy to control, heating system installation After very beautiful. The problem is that the process of pipe connection is better. It is necessary to ensure that the joint does not leak water, the ground is to be grooved, and the construction is relatively complicated.
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