標準名: A-2025 鋁塑管
俗 稱: 2025鋁塑管
材 質: 鋁、塑料
尺 寸: 2025（內徑20mm，外徑25mm）
重 量: --
常用用途: 常用於總管、分支的冷熱水管 鋁塑管和PPR管常識：PPR管20管是20mm外徑，如果店鋪頁麵寫著20X3.4就是代表20mm外徑（也叫4分管），3.4mm厚度管，同理25*3.5就是25mm外徑，3.5mm厚度的6分管。
客戶問：4分管是哪個管？
小二答：PPR4分管是20管，外徑20mm。
客戶問：PPR熱水管可以當冷水管用嗎？
小二答：PPR熱水用於冷水更好，壽命更長。
客戶問：鋁塑管4分管是多大的管。
小二答：鋁塑管沒有多少分的說法，1216北方很多地區叫4分，1620叫6分。兩廣叫1216為3分，1620為4分，2025為6分。其標準叫法就是直呼標準名，1216鋁塑管就是內徑是12mm，外徑是16mm，1620鋁塑管是內徑16mm，外徑20mm。
① 普通飲用水用鋁塑復合管：白色 L標識，適用范圍：生活用水、冷凝水管道。
② 耐高溫用鋁塑復合管：紅色R標識，主要用於長期工作水溫95℃的熱水及采暖管道系統。
③ 燃氣用鋁塑復合管：黃色Q標識，主要用於輸送天然氣、液化氣、煤氣管道系統。
④ 管道施工時，必須符合相應的技術規程。
Standard: A - 2025 aluminium tube
Common said: 2025 aluminium tube
Material quality: aluminum, plastic
Or: 2025 (20 mm inner diameter, outside diameter of 25 mm)
Weight: --
Common USES: used in the cold and hot water pipe of main and branch aluminum-plastic pipe and PPR pipe, PPR pipe 20 is 20 mm outside diameter, if the store page write 20 x3. 4 is 20 mm outside diameter (also called 4 in charge), 3.4 mm thickness of the tube, the same 25 * 3.5 is 25 mm outside diameter, the thickness of 3.5 mm 6 in charge.
The customer ask: which is in charge of the tube?
Small 2 a: PPR4 is in charge of 20, 20 mm outside diameter.
Customer ask: PPR hot water pipe can be a cold work?
Small 2 a: PPR hot water used for cold water better and longer life.
Customer asked, aluminum-plastic pipe 4 is in charge of how much.
Small 2 a: aluminium tube not many points, 1216 north many areas called four points, 1620 6 points. Call 1216 for the three points of guangdong, 1216 to 4 points, 2025 for 6 minutes. Its name is call standard, 1216 aluminium tube is the inner diameter is 12 mm, outside diameter is 16 mm, 1620 aluminum tube is 16 mm diameter, outer diameter 20 mm.
(1) normal drinking water with aluminous model multiple tube: white L identification, scope of application: water, condensed water pipe.
(2) high temperature resistant with aluminous model multiple tube: red R logo, it is mainly used for long term working temperature 95 ℃ hot water and heating pipe system.
(3) gas use aluminous model multiple tube: yellow Q logo, it is mainly used for transporting natural gas, liquefied gas, gas pipeline system.
(4) the pipeline construction, corresponding technical regulations must be complied with.
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