The MLV-3 is a 3-way, heavy-duty mini limit valves designed with spring return and air extend motion. This product can be mounted by dual #20 holes or 15/32-32 thread. It features a maximum of 10 to 32 thread ports, 1/8"stern travel, 150 PSI and 48 oz nominal force. It can operate under an ambient temperature that ranges from 32 F to 230 F.