ASCO™ Series 308 Tamperproof High-Shock Manual Reset Valves

Name: ASCO&trade; Series 308 Tamperproof High-Shock Manual Reset Valves
Brand: Asco

The ASCO Series 308 Tamperproof High-Shock Manual Reset Valves are ideal for controlling critical processes in aggressive environments.

Specs

Pipe / Port Size and Port Type

1/4" and 1/2" NPT

Body Material

Stainless Steel bodies

Flow

Flow rates of 1.5 to 4 Cv (1.3 to 3.4 Kv)

Max ambient temperature

AC: 125°F (52°C)
DC: 140°F (60°C)

Operating Pressure Differential

Pilot: 25 to 125 psi (1.7 to 9 bar)
Main: 150 psi (10 bar)

Wattage

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

Designed to keep the valve in the shut-off position when the solenoid is de-energized, even if the handle is lifted
The valve will not be in the open position until the solenoid is energized and auxiliary air is present
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)
SIL 3 capable, certified by Exida
Optional position indicator switch provides diagnostic feedback (GO™ Switch, suffix SP)