W-500X-25C-DN50,W-500X-25C-DN65,W-500X-25C-DN80,W-500X-25C-DN100,W-500X-25C-DN125,W-500X-25C-DN150 W-500X-25C-DN200,W-500X-25C-DN250,W-500X-25C-DN300,W-500X-25C-DN350,W-500X-25C-DN400,W-500X-25C-DN450 W-500X-25C-DN500,W-500X-25C-DN600