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 →
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 →
"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 →
April 10, 2025, marks the 40th anniversary of the linear coded key valve interlocking concept, introduced by Smith Flow Control in 1985. The Smith Flow Control valve interlock revolutionized the... read more →
We are excited to announce that Umit Agca has recently taken on the role of Sales Manager Europe at Sofis. Umit’s journey with Sofis began in 2019 as a Project... read more →
A Brazilian site for a global leader in specialty chemicals and paints had to find a solution for operating difficult-to-access 4" block valves in a thermal oil line, used in... read more →
At Sofis, we are always looking for motivated professionals who share our commitment to safety, quality, and innovation. Even if there are no open positions that match your profile right... read more →