DN350是多少的外径

2025-03-04 11:39:06
推荐回答(3个)
回答1:

DN350的外径是355.6mm。

衬塑管是以普通碳素钢管作为基础,内衬化学性优良的热塑性塑料,经冷拉复合或滚塑成型,它既有钢管的机械性能,又有塑料管的耐腐蚀性能,缓结垢,不易生长微生物的特点,是输送酸、碱、盐、有腐蚀性气体等介质的理想管道。

扩展资料:

性能介绍

PO衬塑管

性能:介质工作温度:-25℃~+105℃介质工作压力:正压2.5MPa;负压90KPa系列产品特性:无毒而抗温耐低温耐负压,耐真空耐腐蚀,抗老化,抗冲击,表面光滑结合力强。对一般酸碱盐的有机溶剂性能良好,适用于腐蚀性气体,液体及固体液,浆液介质的输送。

本产品广泛应用于化工、生物、电力、冶炼、制药、食品、环保等领域,在-20℃-105℃内是取代橡胶瓷、玻璃钢、不锈钢及塑料板等衬里的理想材料。

参考资料来源:百度百科-衬塑管

回答2:

DN350的外径是355.6mm。

各种规格的管道,所对应的外径尺寸为:
尺寸  对应DN  精确外径  国标统称外径
8寸  DN200  φ219.1    φ219
10寸  DN250  φ273    φ273
12寸  DN300  φ323.9   φ325
14寸  DN350  φ355.6    φ377
16寸  DN400  φ406.4    φ427
18寸  DN450  φ457    φ480
20寸  DN500  φ508    φ530
24寸  DN600  φ610    φ630
28寸  DN700  φ711    φ720
32寸  DN800  φ813    φ820
36寸  DN900  φ914    φ920
40寸 DN1000 φ1016 φ1020

回答3:

DN350钢管外径:356mm

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