This Practice provides requirements for suppliers providing nickel and nickel alloy gate valves included in PIP Piping Line Class Material Specifications. This Practice provides the detailed purchase descriptions for nickel and nickel alloy gate valve tag numbers included in PIP Piping Material Specifications and used along with PIP PNSM0110 for the procurement of valves. This Practice also provides a cross reference for nickel and nickel alloy gate valve tag numbers to applicable PIP Piping Material Specifications.