Unused Surplus Universal Valve Co Double Poppet Safety Valves 12155

Up

  For sale is a lot of TWO
  surplus Universal Valve Co. Type 521DP / 522DP
  Double Poppet Safety Valve.  (1) 1-3/4" NPT Diameter external threaded
  end and (1) 1-3/4" NPT diameter internal threaded end. Zinc plated,
  cast iron body and top.  Buna-N seal.  NOTE:	These valves are
  believed to be unused / never installed.  What you see in the
  photographs is what you will receive.  Feel free to ask any relevant
  questions.  NOTE:  We have several identical and similar items
  available: please check our other listings.