Z6s43WF、Z6s43WDF、Z6S43WY、Z6s43WbF、Z6s43WbD、Z6s43WbY Z6s44WF、Z6s44WDF、Z6S44WY、Z6s44WbF、Z6s44WbD、Z6s44WbY 抗硫閥門型號前加“K”、調節型閥門型號前加“L”、耐磨型F后加“M” 規格:2"~28" in、DN50~700mm 壓力:150~900Lb、PN1.0~16MPa