high pressure flang Size: from 1/2 to 200 inch (DN15- ... , BS, JIS, EN, JB, GB, HG, UNI, API CS,SS... high pressure flang Technics: Forged Size: from 1/2 to 200 ... face; ring joint face; tongue and groove face; male and female face; lapped joint; flat face; threaded Connection: Welding Varieties: Threaded ...