Application Instrument lines , General Industry, General Service , Hydraulic , Pneumatic Specifications Maximum operating pressure up to 3,000 psi @ 70 F (21 C) Operating temperature range 10 F (- 23 C) up to 400 F (204 C) Durable ball-locking Simple push-pull action to connect and disconnect line no tools required Plug and body are available valve or unvalved. Valves automatically open when connected and shut off when disconnected Port size 1/8 inch to ? inch for NPT thread Tube connector OD. 6 mm. to OD. 12 mm. Material Stainless Steel 316