Model F-B

1" - 96" Butterfly Valve Type ESV
150#, 300#, 600# Flanges
(Rupture Pin Pilot to Actuator)

Additional Advantages:
• You get safety without venting
..pollution.
• No product loss by venting.
• No flare system required.
• No yearly valve testing.
• The pin obeys Euler's Law precisely
..and cannot fatigue.
• There is no set pressure variation
..with ambient temperature change
..on the pin.
• The precise pin is the sensor and
..the actuator.
• The standard accuracy is +/– 5%.
• Buckled pins can be replaced
..in minutes.
• The pin cannot fatigue

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Rupture Pin
Advanced Valves for Pressure Relief
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18" – Model F-B
1 1/2" – Model F-B
       
Features & Advantages:
1. The Pilot senses upstream pressure only, NOT differential pressure.
2. A Scotch Yoke Actuator gives high opening torque.
3. The accuracy of set point is +/-8% below 1 barg, +/-5% above 1 barg.
4. Remote indications possible.
5. Rapid resetting.