... ,stainless steel SUS 304 sleeve and plastic ring.Brass body material can be CW617N, CW602N, Hpb59- ... 1, Hpb58-2, Hpb58-3, etc;brass body superficial treatment can be tin-plating and nickel ... with SUS304 sleeve can connect the same size pipe by pressing of jaw, after installation, it ... end of the fitting. Production process: cutting brass bar ino different sections according to diferent product ...