产品名称：20SW止回阀 北泽对夹式止回阀 20SWU止回阀 KITZ球墨铸铁对夹式止回阀 20K对夹止回阀
产品型号：20SW/20SWU
产品出处：日本北泽KITZ阀门
产品销售点：上海销售
产品资料解析：
产品说明：
[适用范围]
28kgf/cm2均衡水流适于80℃
20kgf/cm2水、油、气80℃
材质： | 阀体： | FCD-S | | 阀瓣： | BC6 | | 阀座： | NBR | | | | |
| | | 规格 | L | H | D | | | | | | | | 1/2 | 15 | | | | | | | | | | | 3/4 | 20 | | | | | | | | | | | 1 | 25 | | | | | | | | | | | 11/4 | 32 | | | | | | | | | | | 11/2 | 40 | | | | | | | | | | | 2 | 50 | 54 | 153 | 101 | | | | | | | | 21/2 | 65 | 60 | 166 | 121 | | | | | | | | 3 | 80 | 67 | 173 | 137 | | | | | | | | 4 | 100 | 67 | 185 | 162 | | | | | | | | 5 | 125 | 83 | 198 | 200 | | | | | | | | 6 | 150 | 95 | 242 | 235 | | | | | | | | 8 | 200 | 127 | 267 | 280 | | | | | | | | 10 | 250 | 140 | 293 | 353 | | | | | | | | 12 | 300 | 181 | 319 | 403 | | | | | | |
