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, D7 k# J& L( M, |11 空调水系统管道与附件安装 cyzgbwdnfmpshsmusadikvoburgxabtmgiawgydutzf
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& s3 L# u8 v! U- Q$ y- { 管道弯曲半径应符合下列规定: lhnuuujohuv
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2 ]- p; s, h* b" ?% U 热弯时不应小于管道直径的3.5倍,冷弯时不应小于管道直径的4倍; ' y7 I1 T- k! T3 R+ Ocdebvwayqydylayanotzlysbsodevtanbl
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" x4 E* a' J5 L5 j. R5 _ 焊接弯头的弯曲半径不应小于管道直径的1.5倍; yzfzjybrmxuymbf
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; W. q/ x6 s9 t) N8 b/ ` 采用冲压弯头进行焊接时,其弯曲半径不应小于管道外径,并且冲压弯头外径应与管道外径相同。 . v8 Z0 A. _" pabxzkgzjogawpsjrqudoqpchfygnwpzcgpkwcsnrux
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通风与空调工程施工规范upqnlreroqpotygezojxhowatakpvahbpqk
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