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pvc-u螺旋缠绕管安装设计的合理性

作者: laobingguandao    来源:http://www.laobingguandao.com  时间:2020-09-03    人气:
为保证PVC管材能避免外加载负荷,达到预期使用环境和寿命,应合理布置和敷设管道。为了保证PVC管道安装的科学性和合理性,PVC管道的安装设计需要遵循一定的原则,以下列举出部分PVC管道安装设计的注意事项:
In order to ensure that the PVC pipe can avoid external load and achieve the expected service environment and life, the pipeline should be reasonably arranged and laid. In order to ensure the scientificity and rationality of PVC pipe installation, the installation design of PVC pipe should follow certain principles. The following lists some precautions for installation design of PVC pipe:
1、给水管敷设于室外受到阳光照射处应采用轻质材料隔热保温。
1. The water supply pipe is laid outdoors and exposed to sunlight, and light-weight materials shall be used for heat insulation.
2、管道穿过屋面及地下室时,应设金属防水柔性套管和有效防水措施。
2. When the pipeline passes through the roof and basement, metal waterproof flexible sleeve and effective waterproof measures shall be set.
3、PVC给水管不得穿越卧室、贮藏室,不得穿越烟道、风道。
3. PVC water supply pipe shall not pass through bedroom, storage room, flue and air duct.
4、管道一般宜明设,在管道可能受到碰撞的场所,宜暗设或采取保护措施。
4. Generally, pipelines should be installed in the open, and concealed or protective measures should be taken in places where pipelines may be collided.
5、给水道道与其他管道同沟(架)平行敷设时、宜沿沟(架)边布置,上下平行敷设时,不得敷设在热水管或蒸气管的上面,且平面位置应错开;与其他管道交叉敷设时,应采取保护措施或用金属套管保护。
5. When the water supply channel is parallel to other pipelines in the same ditch (rack), it should be arranged along the ditch (rack). When the water supply channel is laid in parallel with other pipelines, it should not be laid on the top of hot water pipe or steam pipe, and the plane position should be staggered; when it is cross laid with other pipelines, protective measures or metal casing should be taken.


6、管道暗敷时严禁接触防水涂料等有机化学物,以免影响水质损坏管道。
6. It is strictly forbidden to contact organic chemicals such as waterproof coating when the pipeline is laid in a concealed way, so as not to affect the water quality and damage the pipeline.
7、明敷的给水管宜布置在给水量大的卫生器具或设备附近的墙边,墙角或立柱处。
7. The surface water supply pipe should be arranged at the wall edge, corner or column near the sanitary ware or equipment with large water supply.
8、PVC管道应远离热源,立管距灶边净距不得小于400㎜,与供暖管道的净距不得小于200㎜,且不得因热源辐射使管外壁温度高于40℃。
8. PVC pipes should be far away from heat sources. The clear distance between the vertical pipe and the stove edge shall not be less than 400 mm, and the clear distance between the vertical pipe and the heating pipe shall not be less than 200 mm. The temperature of the outer wall of the pipe shall not be higher than 40 ℃ due to heat source radiation.

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