This year, Sofis proudly celebrates 40 years of linear key valve interlocking, a major milestone in mechanical safety innovation. But while the spotlight is on the product, there’s another story... read more →
At a Brazilian refinery, ensuring smooth operations and worker safety is a top priority. However, one recurring issue posed both operational inefficiencies and safety hazards: accessing an 8-inch gate valve... read more →
To mark '40 years of linear key valve interlocking', we sat down with Tan Sri Moh Wung Sing, Managing Director of Multi-Engineering & Management, for an inspiring conversation about a... read more →
On June 8, 2022, the Freeport LNG export terminal in Texas experienced a serious incident: a vapor cloud explosion and fire that shut down operations for several months. This facility,... read more →
In 2020, a serious incident occurred at Valero’s Mereaux refinery in Louisiana when a hydrocracker unit released a flammable mixture of hydrogen and hydrocarbon gas. The gas ignited, triggering an... read more →
In the oil and gas industry, safety is a regulatory requirement. And when it comes to valve interlocking systems, regular inspections are not optional. They are essential to stay compliant... read more →
"Before 1985, valve interlocking was quite basic," recalls Adrian Brown, Technical Support Specialist at Sofis. "It was mostly about putting locks on valves in a rudimentary way. Companies like Castell... read more →
What started as a detour from an IT career became a defining journey in valve interlocking. Darren Trowsdale’s 23 years at Sofis reflect a legacy of loyalty, technical growth, and... read more →
This year marks 40 years of linear key valve interlocking, a milestone that underscores the power of long-term partnerships built on safety, trust, and innovation. Teksal and Sofis have been... read more →
Ian Binney has been a valve interlock specialist since 1982, when he joined Castell. With decades of experience, he has witnessed firsthand the evolution of valve interlocks and their impact... read more →