External Straight Through type Pressure Relief Valves are designed for installation on pressure vessels containing fluorinated refrigerants at temperature ranging between -40 Degree C and +107 Degree C. These Pressure Relief Valves are installed for preventing the pressure in the vessel from rising above a safe value when the vessel is exposed to excessive heat such as generated by fire. These Pressure Relief Valves are offered in straight through type pattern. External Straight Through type Pressure Relief Valves are made of quality grade raw material that ensures long term usage.