... )Type:WN ,RF 2)Material :A105 3)Class:150#,300#,1000#,2500# 4)Quality gurantee:1 year 5 ... ,slip on, Blind,Socket weld,Lapjoint,Spectacles.Class 150#,300#,600#,900#,1500#,2500#.Size 1/4"-60" ... contact me.Shijiazhuang huize pipe fitting Co., Ltd.Address:No.150 ,Yuhua District ,Shijiazhuang,ChinaTel: 86-311-66619538Fax:86- ... (at)huizegd.cnWeb: www.huizegd.cn galvanized class 150 forged API 6A WN rtj flange