【正文】 ............................................. 10 閥門檢查與試驗(yàn) ...................................................................... 11 傳動(dòng)裝置檢查與試驗(yàn) ............................................................... 13 3 管道預(yù)制的加工工藝 ............................................................... 15 一般規(guī)定 ................................................................................. 15 鋼管切割、坡口加工及預(yù)組 裝 ................................................. 15 彎管制作 ................................................................................. 19 質(zhì)量要求 ................................................................................. 25 管道機(jī)械加 工 .......................................................................... 26 夾套管預(yù)制 ............................................................................. 28 防腐襯里管道的預(yù)制 ............................................................... 31 管道支、吊架制作 .................................................................. 33 4 管道安裝 ................................................................................. 35 一般規(guī)定 ................................................................................. 35 管道安裝通用要求 .................................................................. 36 埋地與地溝管道安裝 ............................................................... 45 5 管道吹掃與清洗 ...................................................................... 50 一般規(guī)定 ................................................................................. 50 水沖洗 .................................................................................... 51 空氣吹掃 ................................................................................. 52 Q/ZT022022 壓力管道安裝通用工藝 第 A 版 2 蒸汽吹掃 ................................................................................. 52 酸洗與鈍化 ............................................................................. 53 6 管道系統(tǒng)試 壓 .......................................................................... 54 一般規(guī)定 ................................................................................. 54 水壓試驗(yàn) ................................................................................. 56 氣壓試驗(yàn) ................................................................................. 57 7 高壓管道安裝施工工藝 ........................................................... 59 材料驗(yàn)收 ................................................................................. 59 施工過程 ................................................................................. 60 8 合金鋼管道安裝施工工 藝 ........................................................ 64 作業(yè)條件 ................................................................................. 64 主要工具 ................................................................................. 64 施工過程 ................................................................................. 64 9 不銹鋼管道安裝施工工 藝 ........................................................ 68 作業(yè)條件 ................................................................................. 68 主要工具 ................................................................................. 68 施工過程 ................................................................................. 68 10 PPR 管安裝施工工 藝 ............................................................ 72 一般規(guī)定 ................................................................................. 72 管道敷設(shè)安裝要點(diǎn) .................................................................. 72 管道連接要 點(diǎn) .......................................................................... 73 支吊架安裝 ............................................................................. 76 試壓 ........................................................................................ 77 清洗、消毒 ............................................................................. 77 安全施工： ............................................................................. 78 貯運(yùn) ........................................................................................ 78 11 銅及銅合金管道安裝施工工 藝 ................................................. 79 適用范圍 ................................................................................. 79 Q/ZT022022 壓力管道安裝通用工藝 第 A 版 3 一般規(guī)定 ............................................................................