WAC 296-150V-1390   What are the pipe-joint compound requirements for gas piping in a conversion vendor unit or medical unit?  (1) Screw joints must be made tight with pipe-joint compound that is insoluble in liquefied petroleum gas.

     (2) Pipe-joint compound must be approved for the type of gas used. The pipe-joint compound must be applied to the male threads only.



[Statutory Authority: Chapter 43.22 RCW. 99-18-069, § 296-150V-1390, filed 8/31/99, effective 10/1/99.]