FIRE PROTECTION

Model 18-FR Pressure Relief Valve

The 18-FR is a remote sensing, high capacity, spring and diaphragm operated, normally closed valve. The inner valve is held closed by the spring. When the sensed pressure increases above the spring setting, the valve opens.

• The normally closed valve shall be of stainless steel construction with a spring to adjust the opening pressure.
• The inner valve shall be of stainless steel 316 construction and the inner valve shall have EPDM resilient compound for seating.
• A separate port will sense pressure to open the valve when system pressure exceeds the valve set-point.
• Maximum working temperature: 180° F / 82° C
• Maximum working pressure: 400 psi / 27.6 bar

Model 18-FR Pressure Relief Valve

Download Specification Document

Model 18-FR Pressure Relief Valve

For more information on the Model 18-FR Pressure Relief Valve:

Download the Model 18-FR Product Guide.

Download the Model 18-FR Operations Guide.

Model 18-FR Pressure Relief Valve

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