We need a supply of 4" Thin (0.75") Stainless Steel Wafer Check Valves with Buna N, EPDM, or Viton seats for use on our packages. Please reply with an e-mail address & I will send you a data sheet on the valve we need. 联系方式 Co:Envir Sep Tel:843-546-7400 Fax:843.546.7407 Email:webinfo@envirosep.com Website:http://www.envirosep.com/ 联系人：nser国家：USA产品类别机械五金webinfo@envirosep.com
