ASCO
ASCO™ Series 308 & 310 High-Shock Manual Reset Valves
The ASCO Series 308 & 310 High-Shock Manual Reset Valves are ideal for controlling critical processes in aggressive environments.
Features and Advantages

Once the solenoid is de-energized, it requires power to be restored to the solenoid, then the valve to be manually reset

Designed to meet vibration and/or shock per ISA specification S71.03C2

Handles aggressive atmosphere per salt resistance testing (ASTM B117)

Manual reset housing is sealed and closed-cell CR sponge rubber and equipped with sintered bronze breather to prevent accumulation of condensation

Last chance filter installed in auxiliary air port of the pilot valve

SIL 3 capable, certified by Exida


Specifications and Parameters

Port Size:1/4" NPT

Body Material:Brass and Stainless-Steel bodies

Flow Rates:Flow rates of 0.45 Cv (0.39 Kv)

Ambient Temperature Range:

AC: 125°F (-20°C to 52°C)

DC: 140°F (-40°C to 60°C)

Operating Pressure Differential:

Pilot: 25 to 125 psi (1.7 to 9 bar)

Main: 125 psi (9 bar)

Voltage:Available in 10.1W AC and 1.4W DC constructions

Standards / Regulations:UL listed General Purpose valve (solenoid only), CSA certified, ATEX/IECEx certified with prefix EV


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