Thermal Shutoff Valve
Selection Guide

• Fire-Safe to API 607-5
• Passed testing standard MIL-STG-810G for vibration and humidity/temperature
• Spring Return Actuator with FM approved FireChek Thermal Shutoff
• Pressure Gauge to monitor internal actuator pressure
• Manual Override through Schrader valve
• Variety of Limit Switches Optional
• Optional wireless alarm system for status changes

Valves

• Ball: NPT, Socket Weld, 150# or 300# Flanged
• Butterfly: 150# Lugged or Wafer

Materials

• Body: Carbon Steel or Stainless Steel
• Seats & Seals: Fire-safe to API 607-5

Sizes

• 150# or 300# ANSI Flange: 1/4" to 8"
• NPT: 1/2" to 4"
• Socket Weld with Heat Sink: 1/2" to 4"

Trigger Temperatures

• 165°F (standard), 150°F, 135°F

• Local and/or remote actuation
• Fire-Safe fusible link
• Economical solution for required safety
• Can be used in horizontal and vertical service
• All valves are factory tested to API 598
• Back pressure ensures a tight seal between the disc and seat
• Once closed, the valve can ONLY be reset manually as a safety feature

Materials

• Body: Carbon Steel or Stainless Steel
• Seat: API Trim 08 or 12
• Top Seal: TFM or Graphite

End Connections

• 150# or 300# ANSI Flange: 2" to 16"

Temperature and Pressure

• Max. Temperature:
  TFM: 450°F
  
• Max. Pressure:
  150#: 275 PSIG
  300#: 740 PSIG
  
  

• Rapidly responds to temperature rise, NOT flames
• Vents actuator air pressure to return to failsafe
• 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
• 
  FM Approval through Memry Corp.

Materials

• Body: Stainless Steel
• Seals: BUNA
• Thermal Insulators: DELRIN®
• Sensor/Trigger Coil: MEMRY®

End Connections

• NPT: 1/4" female
• Compression: 1/4"

Actuation Temperatures

• Standard: 165°F
• Optional: 135°F, 150°F
  

Sizes & Models

• FireChek
• FireChek with Quick Exhaust
• FireChek with High Flow Pilot Valve
• FireChek with Solenoid Operated High Flow Pilot Valve
  

• Fire-Safe to API 607
• U.L. listed Thermal or Electro-thermal Fusible Links
• Removable Handle for Manual Operation

Valve Types

• Ball Valve with NPT Connections (1/2" to 2")
• Ball Valve with 150# or 300# ANSI Flange Connections (1/2" to 4")
• Butterfly Valve with 150# Wafer or Lugged Connections (3" and 4")

Materials

• Body: Stainless Steel or Carbon Steel
• Seals: TFE/SS/Graphite - Fire-safe

Actuation Temperatures

• 165°F, 212°F, 286°F, 360°F, 500°F

Temperature and Pressure

• Varies Depending on Valve Series Chosen
  
  

• Fire-Safe to API 607-5
• Spring Return Actuator with FireChek Thermal Shutoff
• Solenoid for Actuator Control & Remote Shutoff
• Modulating Positioner Optional
• Manual Override Optional
• Variety of Limit Switches Optional

Materials

• Body: Carbon Steel or Stainless Steel
• Seats: TFM or 50/50
• Seals: TFM or Graphite

End Connections

• 150# or 300# ANSI Flange: 1/4" to 8"
• NPT: 1/2" to 4"
• Socket Weld with Heat Sink: 1/2" to 4"

Temperature and Pressure

• Max. Temperature:
  TFM: 475°F
  50/50: 525°F
• Max. Pressure:
  150#: 275 PSIG
  300#: 700 PSIG