The ASCO™ Series 257 Solenoid Valves are compact, general-purpose valves ideal for controlling large dust collector pulse valves. Designed with a 2-way, normally closed function, these direct-acting valves come in brass or plastic bodies, suitable for air or inert gas applications. With a pipe size of 1/8" NPTF and a flow range of 0.1 to 0.5 Cv, they support a variety of voltages and operate under pressures from vacuum to 150 PSIG, meeting CSA and UL standards for indoor use.

Key features and benefits of ASCO™ Series 257 Solenoid Valves

Key Features

The ASCO™ Series 257 valves are designed with a small footprint, making them ideal for environments where space is limited. Their lightweight brass or plastic bodies ensure easy integration into tight setups without compromising functionality.

Key Features

These valves are suitable for use with air and inert gases, making them adaptable to various industrial applications. This flexibility allows users to employ the same valve type across different processes.

Key Features

The ASCO™ Series 257 supports a wide array of voltage options, from 24 AC to 480 AC and 6 DC to 240 DC, providing users with flexibility in power sourcing. This broad compatibility ensures that the valve can be used across different system setups and locations.


Valve Actuation:	Solenoid
Body Material:	Brass
Media:	Air, Inert Gas
Pipe / Port Size:	1/8 "
Port Type:	NPTF
Function:	2 way - 2/2 Normally Closed
Flow:	From 0.1 Cv to 0.5 Cv
Voltage:	24 AC to 480 AC, 6 DC to 240 DC
Operating Environment:	Indoor
Standards / Regulations:	CSA; Type 1; UL