Available in C.I, D.I & C.S. Available in PN 1.0, PN 1.6 & PN 2.5. Specification as per IS:5312(PART-1):2004. Drilling as per IS:1538 OR Any desired Standard. Available with Bye Pass Arrangement. Can be installed in horizontal as well as vertical position. Custom desired Epoxy Powder Coating OR Paint. Applications: To maintain Flow of Water or Fluid in one diection only. Used in pipe lines to reduce Water Hammer. To prevent back Flow of Water to the pumps from rising mains.