Used in compressor tanks to prevent air volume and pressure
from escaping back into compressor heads while the compressor
is not operating. Brass body with teflon poppet. 1/8 female
NPT side port for pressure switch application. 3/4 valves
include
a built-in dashpot for improved poppet life.

• Maximum working pressure:
  450 PSI
• 3/4″ Male NPT Tank Bung Hole
  Size
• Compressor Air Line Size:
  3/4″ NPT Female
• 30 SCFM