... for petroleum handling, chemical processing, dry bulkhandling, agricultural, and water, et camlock coupling type a, b, c, d ... applications for petroleum handling, chemicalprocessing, dry bulkhandling, agricultural, and water, etc.Standard: DIN EN 14420-7-2005Cast method ... in place assuring proper placement .(3)Smooth face of groove and great resistance to vibration .(4) Working pressure is ...