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Preventing Locomotive Engine Crankcase Explosion

When you’re moving people and products by rail, the only priorities that rise above meeting your schedule are those that involve protecting the safety and security of your passengers, crew and cargo.

In today’s world, you have enough to worry about. You don’t need to add concerns over whether – or when – your rail operation will experience a potentially deadly locomotive engine crankcase explosion.

That’s why Penn-Troy and its BICERA Valve division have been making the best in crankcase explosion relief valves for more than a half century. It’s also why we’ve never stopped working to bring you an even better valve.

Thousands of BICERA Legacy crankcase explosion relief valves are in use on locomotive engines around the world today, protecting engineers and other crew members as well as rail passengers and cargo from the disaster, damage and delays associated with locomotive engine crankcase explosion. 
Today, we’re proud to bring you the most effective flame arrestor 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 a locomotive engine explosion relief valve with all those benefits that does more to protect people and property – all at a competitive price.

It’s time to 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