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Addressing Crankcase Pressure to Prevent Explosion In Oil and Natural Gas Compression

When you’re in the business of compressing highly combustible fuels such as oil and natural gas so that they’re able to travel efficiently through the pipelines that carry them, the safety of your people, process and equipment are critical.

That’s why, for more than a half century, Penn-Troy and its BICERA Valve division have been making the best in explosion relief valves designed to protect people and property from the dangers and damage associated with crankcase pressure. It’s also why we’ve never stopped working to bring you an even better valve.

Thousands of BICERA Legacy explosion relief valves are in use in oil and natural gas compression operations around the world, protecting people and equipment and helping to keep these vital fuel sources flowing.
Today, we’re proud to bring you the most effective defense against crankcase pressure and explosion available anywhere, ever: the New BICERA Sigma Valve.

Introducing the New BICERA Sigma Valve


 The BICERA Sigma Valve is:

  • Better
  • Smaller
  • Lighter
  • Offers direct, “drop-in” replacement for your existing crankcase explosion relief valves
  • Available in 7 industry-standard (and custom) sizes
  • And, because our proprietary flame-arresting technology is more efficient, it offers you more value.

Imagine an explosion relief valve with all those benefits that does even more to protect people and property from crankcase pressure – all at a competitive price.

Want the best protection for your oil or natural gas compression operation? Make the switch to the new BICERA Sigma.

Making the best better. That’s what we do at Penn-Troy and BICERA Valve.

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BICERA Valves Produced
Top Engine Manufacturers Using BICERA Valves
Reports of Death, Injury or Engine Room Damage from Crankcase Explosions
Years’ Experience