拼音
huójiétóu注音
ㄏㄨㄛˊㄐㄧㄝˊㄊㄡˊ引證解釋
即活結。《水滸傳》第十七回：“兩個莊家把索頭只一拽，拽脫了活結頭，散開索子。”參見“活結”。概述
活結頭內外用高檔拋光設備處理，達到表面精密度要求；廣泛套用於民用建築、化工製藥、園林灌溉、市政工程、海水及淡水養殖，外表亞光或鏡面處理等行業。具有結構簡單、造型美觀、拆裝快捷，操作靈活，流體阻力小，使用安全可靠等優點。技術參數
| 公稱通徑 Nominal Diameter | 外徑 Outside Diameter | 壁厚 Wall Thickness | 承插孔徑 Socket Bore | 流通孔徑 Water way Bore | 承插孔深度 Depth of Socket | 公稱裝配長度 Length Assem Nominal | |||
| Dmin | Cmin | d1 | d2 | Jmin | L | ||||
| DN | NPS | 承插焊 Socket | 螺紋 Threaded | 承插焊 Socket | 螺紋 Threaded | 承插焊 Socket | 承插焊、螺紋 Socket & Threaded | 承插焊 Socket | 承插焊、螺紋 Socket & Threaded |
| 6 | 1/8 | 21.8 | 14.7 | 3.2 | 2.5 | 10.65 | 6.43 | 10 | 41.4 |
| 8 | 1/4 | 21.8 | 19.0 | 3.3 | 3.1 | 14.10 | 9.45 | 10 | 41.4 |
| 10 | 3/8 | 25.9 | 22.9 | 3.5 | 3.2 | 17.55 | 13.51 | 10 | 46.0 |
| 15 | 1/2 | 31.2 | 27.7 | 4.1 | 3.8 | 21.70 | 17.07 | 10 | 49.0 |
| 20 | 3/4 | 37.1 | 33.5 | 4.3 | 4.0 | 27.05 | 21.39 | 13 | 56.9 |
| 25 | 1 | 45.5 | 41.4 | 5.0 | 4.6 | 33.80 | 27.74 | 13 | 62.0 |
| 32 | 11/4 | 54.9 | 50.5 | 5.3 | 4.9 | 42.55 | 35.36 | 13 | 71.1 |
| 40 | 11/2 | 61.5 | 57.2 | 5.6 | 5.1 | 48.65 | 41.20 | 13 | 76.5 |
| 50 | 2 | 75.2 | 70.1 | 6.1 | 5.6 | 61.10 | 52.12 | 16 | 86.1 |
| 65 | 21/2 | 91.7 | 85.3 | 7.7 | 7.1 | 73.80 | 64.31 | 16 | 102.4 |
| 80 | 3 | 109.2 | 102.4 | 8.4 | 7.7 | 89.80 | 77.27 | 16 | 109.0 |
