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FireChek® Series Thermal Shut-Off Valves

Testable, Resettable, Self-Activating, Easily Retrofit
Buy a VA Series compact on/off valve
Complete Series
Overview
FireChek
By Itself
FireChek
with Quick Exhaust
High Flow Pilot Valve
with FireChek
Solenoid Operated High Flow
Pilot Valve with FireChek
FireChek Thermal Shutoff Valves


FM Approved

Installation

FireChek® valves install easily between the pneumatic supply and spring return actuator via two female threaded connections. They can be installed before or after the solenoid valve that controls the actuator supply air.

Material

  • MEMRY® Shape Memory Alloy Actuator and Sensor
  • DELRIN® Thermal Insulators
  • BUNA-N O-rings
  • 300 Series SS Body Cover, Reset, Shuttle Cap, Pin, and Bias Spring


FireChek Installed

FireChek Valve By Itself

Features & Benefits

  • Rapidly responds to temperature rise, NOT flames
  • Vents actuator air pressure
  • Closes actuator air supply line
  • Needs no power source, self activates
  • Compatible with ALL pneumatic actuators
  • No contact with process fluids
  • Easy to test and reset
  • Reliable, intrinsic triggering
  • Easily retrofit, installs in minutes
  • Valve Made in the USA

Related Articles


Performance Specifications

  • Actuation time:
    25 seconds or less at a temperature rise rate of 30°F/min
  • Actuation Temperature:
    135, 150, or 165°F
  • Maximum Working Control Pressure:
    125 PSIG
  • Fill and Discharge Capacity:
    1 liter of air in under 1 second at 125 PSIG
  • Cv = 0.49
  • Overall Dimensions:
    Length = 2.59"
    Diameter = 1"
    Weight = 0.482 lbs.

Material

  • MEMRY® Shape Memory Alloy Actuator and Sensor
  • DELRIN® Thermal Insulators
  • BUNA-N O-rings
  • 300 Series SS Body Cover, Reset, Shuttle Cap, Pin, and Bias Spring

Connections

  • 1/4-18 NPT American Standard Tapered Pipe

Operation

  • see below

Normal Operation



Emergency Operation



buy a FireChek Series Thermal Shut Off Valve
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