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ASCO 308 Tamper-Proof Manual Reset Solenoid Valves
308 TamperProof-MR
The ASCO Series 308, also known as 8308, tamper-proof manual reset solenoid valves feature high-flow/high-pressure bodies designed to prevent inadvertent valve start-up.
They are ideal for controlling critical processes in aggressive environments.
ASCO 308 Tamper-Proof Manual Reset Solenoid Valves

Specs

Valve Actuation
Manual Reset
Body Material
Brass, Stainless Steel
Media
Aggressive Liquids/Gases, Air, Inert Gas, Light Oil, Steam, Water
Pipe / Port Size
1/4 "; 1/2 "; 3/8 "; 3/4 "; 1 "
Port Type
NPTF
Function
3 way - 3/2 Universal
Flow
From 0.1 Cv to 0.5 Cv, From 0.5 Cv to 1.0 Cv, From 1.0 Cv to 2.0 Cv, From 2.0 Cv to 6.0 Cv, From 6.0 Cv to 14.0 Cv
Voltage
24 AC, 110 AC, 120 AC, 480 AC, 6 DC, 12 DC, 24 DC, 48 DC, 120 DC, 240 DC, 125 DC Battery Charging, 250 DC Battery Charging
Max Differential / Max Operating Pressure
150-500 PSIG
Operating Environment
Corrosive, Indoor, Outdoor, Hazardous
Standards / Regulations
CSA, Type 1, Type 3, Type 7, Type 9

Features

  • Electrically tripped (trips when energized), no-voltage release (trips when de-energized), or free-handle constructions are available. Once tripped, the valves can only be reset manually
  • Available for latched-open or latched-closed operation
  • Some constructions can control aggressive fluids including steam
  • SIL 3 capable for operation in challenging environments