Boshart Industries SV-1NL Snifter and Tank Valve, 1/4 in, MNPT, 0 to 200 psi, Lead-Free, Brass Body

Item Features

• The valves with a light 3 PSI or no-spring are typically used in bleeder systems, they allow air to be drawn into the water line to charge a hydro-pneumatic pressure tank
• The SV-1NL with heavy 60 PSI spring is a general purpose air valve, commonly used to add air to a pressure tank using a air compressor