Inquiry (采购产品): knife gate valve These valves will be used in an offshore diverter system. 1 - Flowline valve 16 hole flange Bolt hole center to center 20" Flg. Dia. 22", Pipe ID. 16", Hyd operator. 3 - over board valves, 12 hole flg.,bolt hole center to center 16", flg dia.17 1/2",Pipe ID. 12". Hyd oper. 1 - Trip tank valve 12 hole, bolt hole center to center 13", Flg. Dia. 15", Pipe ID. 7 1/2". Hyd oper. 1 - Circulating valve Flange type gate valve (same as above) for a 4" line. Hyd oper. **** Hidden Message ***** Randy Skidmore 1000 Louisisna, Ste. 1210 Houston Tx., TX 77002 USA Company: Frontier Drilling Title: Sr. Subsea Eng. Phone: 1-318-508-0218 E-mail: rskidmore@frontier-drill.com **** Hidden Message ***** rskidmore@frontier-drill.com