中科新闻网我是老板31:中文什么意思
来源：百度文库 编辑：中科新闻网 时间：2024/05/14 23:47:57
Butterfly valve (cast iron body wafer type, buna-n gasket, galvanized cast-iron diaphragm, stainless steel shaft) pneumatic
Butterfly valve (cast iron body wafer type, buna-n gasket, galvanized cast-iron diaphragm, stainless steel shaft) pneumatic operated (solenoid valve with ISO base-plate open and close mechanical limit switches) according piping & valves data sheet
是软密封吗
Butterfly valve (cast iron body wafer type, buna-n gasket, galvanized cast-iron diaphragm, stainless steel shaft) pneumatic operated (solenoid valve with ISO base-plate open and close mechanical limit switches) according piping & valves data sheet
是软密封吗
"buna-n gasket" 是软密封.
蝴蝶阀（阀身是铸铁的薄片型，垫圈是n型丁纳橡胶的，隔膜是铸铁镀锌的，轴是不锈钢的）气动操作的（螺管阀使用了ISO基板开闭机械式极限开关）根据管路阀门数据表。