Direct-operated solenoid valve ASCO™ 257

2-waynormally closedfor gas

The ASCO Series 257 is a line of general purpose and panel-mounted valves designed to pilot large dust collector pulse valves. The 2-way, normally closed, direct acting valves rugged brass or plastic bodies are compact and lightweight for space saving installations. Specifications Port Type NPTF Operating Environment Indoor Standards / Regulations CSA; Type 1; UL Features Designed for individual installation or water-tight mounting in a panel enclosure Brass-body valves have threaded exhaust port for optional muffler installation, and screw or leaded terminals Plastic-body valves are designed for plastic or metallic tubing and have spade terminals Zero minimum pressure required