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Model B Relief Valve
• 2" to 24" 150# RF flange inlet.
• Relief to atmosphere.
• Settings from 1 PSI to 100 PSI.

Advantages:
• Accurate relief device, +/– 5% of set point.
• 316 stainless steel seat and piston.
• One moving part.
• Viton "O" ring is standard.
• Bubble-tight to set point.
• Full flow at set point.

Application:
Emergency tank vent