设备口法兰的类型、等级及端面应符合买方图纸或数据表的规定。
The type, rating and facing of nozzle flanges shall conform to those specified in Purchaser's drawing or data sheet.
根据国内垫片标准规定的泄漏率指标和美国PVRC对连接系统划分的紧密度等级，尝试定义了法兰连接系统的安全性等级。
An attempt was made to define the safety grade of flanged connections according to target leakage rates described in domestic gasket standards and tightness rates of joints stated in PVRC of ASME.
热电偶套管为缩径尖头带法兰固定型，使用300等级的法兰。
The thermowell is a reduced tip flanged fixed type for use with class 300 flanges.
应用推荐