特殊法兰 meaning in English

special flange

Face - to - face dimensions of pacific valves with special flange facing will be in accordance with b16 . 10 and will be furnished upon application
美国太平洋阀门特殊法兰面的面对面尺寸符合b16 . 10标准，可根据用户的要求提供。
The most popular special flange facings are shown below and include large male - female , large tongue - groove , small male - female and small tongue - groove
最常见的特殊法兰面如下说列，包括大型外内法兰，大型舌槽法兰，小型外内法兰和小型舌槽法兰。