美標雙座調(diào)節(jié)閥/American standard two - seat regulato

尺寸/Size: 16" (400mm) X Class 150#

閥體材質/The valve body material： ASTM A995 Gr. 4A 雙相不銹鋼/Duplex stainless steel

閥瓣材質/The disc material：A995 Gr.4A + Stl. 6 hard faced 雙相不銹鋼鑄件/Duplex stainless steel casting + 邊緣硬質合金司太立/Edge carbide stryker

閥桿材質/Stem material：ASTM A182 Gr. F51

閥座材質/A995 Gr.4A + Stl. 6 hard faced： 雙相不銹鋼鑄件//Duplex stainless steel casting + 邊緣硬質合金司太立/Edge carbide stryker

法蘭標準/The standard of the flange：凸面 (RF)，標準/standard：ASME B16.5

結構長度/The length of the structure：1016mm   標準/standard：ASME B16.10

操作方式/Mode of operation：手輪操作/The handwheel operation

檢測標準/Testing standard：API 598 / FCI 70-2 Class IV。（漏露等級4級/Leakage level 4）