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TSV Series Thermal Shutoff Valves

Dedicated Thermally Activated Shut-Off Valves
Thermal Safety Shut-Off Valves
Thermal Shutoff Valve

TSV Overview Video

The TSV series Thermal Shut-off valves combine a fire-safe ball or butterfly valve with a pneumatic actuator and the FM approved FireChek® valve to form a dedicated stand-alone thermal shut-off valve that will close (or open) at a given temperature (165 ̊F standard). This alternative to fusible link valves can be tested and reset without the need to replace any hardware.

The valve is held open by charging the actuator through a Schrader (check) valve. There is a clearly labeled gauge to indicate the proper pressure range to maintain. TSV’s have passed both Mil-std-810G humidity and vibration testing procedures through an independent third party. Each TSV assembly is also individually tested by a qualified technician in our ISO certified facility after assembly.

TSV Thermal Shutoff Valves


TSV Thermal Shutoff Valves

Thermally activated Thermal Shutoff Valves (TSVs) are critical components in refinery, terminal and distribution safety systems. Thermal activated shutoffs work like fuses in the piping that carries extracted fuels. When a fire occurs, the fuel flow is shut down, preventing the fuel from feeding the fire. The Thermally activated Thermal Shutoff Valves (TSVs) include:

  • A fire-safe ball valve
  • A spring return pneumatic valve actuator
  • A FireChek® heat activated pneumatic shutoff valve


Features & Benefits

  • Local thermal shutdown for automatic shutdown in the event of fire
  • Can be tested and reset without replacing any hardware

Options

  • Explosion Proof Limit Switch
  • Wireless Alarm System
  • Trigger Temperatures: 135°F, 150°F, 165°F
  • Compact rechargable air compressor for charging

Fire-safe Ball & Butterfly Valves

Ball valves come with NPT, Socket Weld, or 150# or 300# ANSI Flanged connections. Butterfly valves are available with 150# or 300# ANSI Flanged connections in lugged or wafer style. All valves are available in Carbon Steel or Stainless Steel and are Fire-safe with graphite seals.

  • Fire-Safe designed to API 607-5
  • Body: Carbon Steel or Stainless Steel

FireChek® Series
Heat Activated Pneumatic Shutoff Valves

FM approved FireChek® thermal exhaust valve blocks air supply and opens actuator exhaust port allowing valve to close when heat is detected. The FireChek® is resettable and field testable. When the thermal shutoff senses temperatures above the shape memory alloy's actuation level, the shape memory element simultaneously vents pneumatic actuator air pressure and closes upstream supply pressure. A manual reset allows routine performance testing for safety maintenance programs.

  • Actuation Temperature: 135°F, 150°F, 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.

C Series
Spring Return Pneumatic Actuators

The C Series pneumatic actuators offer a simple and cost effective solution for use on quarter turn (90 degree) ball and butterfly valves.

  • Temp Range: -4°F to +175°F
  • Supply Pressure:
    • Spring Return: 40 to 120 psi
    • Double Acting: 20 to 120 psi
  • Torque Output: up to 40,000 in-lbs.
    (at 80 PSI supply pressure)
  • Service Life: Up to 1 Million Cycles
  • Mounting/Shaft: ISO 5211/Female

Regulations Requiring Thermal Shutoffs

  • NFPA 59A: For both construction and operation of LNG plants
  • NFPA 58: Chapter 5 - Liquefied Petroleum Gas Code
  • NFPA 57: Chapter 7 - Regulations for Liquefied Natural Gas Vehicular Fuel Systems
  • OSHA Regulations for Hazardous Materials
    - 1910.106(b)(4)(iv)(c)
  • U.S. Department of Transportation (US DOT) Federal Regulations (49 CFR, part 193)
  • U.S. National Transportation Safety Board (NTSB) Recommendation for Title 49 Code of Federal Regulations Section 192.935(c)
  • U.S. Pipeline Safety Act

Other Relevant Standards

  • API 607: Fire test for soft-seated quarter-turn valves
  • API 6D: Specification for pipeline valves
  • API 6FA: Specification for fire test for valves
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