ACME caps are used to keep debris out of the piping systems. Products meet or exceed the requirements of Compressed Gas Association (CGA), the National Fire Protection Association (NFPA), the Canadian Gas Association, American Society of Mechanical Engineers (ASME) and Underwriters Laboratories (UL).
- Female Thread: ACME
- Female Thread Size: 1 3/4 in.
- Material: Brass or steel