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A Better Explosion Vent for Power Generation Operations

When you’re generating power, your goal is to produce it as safely and efficiently as possible and get it onto the grid without interruption. Ensuring the safety of your workers, supporting the power needs of your customers, and protecting your equipment and property are paramount. You don’t need to be worrying about whether – or when – one of your engines will experience a potentially deadly and damaging crankcase explosion.

That’s why Penn-Troy and its BICERA Valve division have been making the best in crankcase explosion vent 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 in power generation operations around the world today, protecting people and property from disaster and damage associated with crankcase explosion.
Today, we’re proud to bring you the most effective explosion vent valve 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 (plus custom) sizes
  • And, because our proprietary flame-arresting technology is more efficient, it offers you more value.

Imagine a crankcase 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 explosion vent relief valve.

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