Safe maintenance & commissioning
LoTo for GEA Hygienic mixproof valves
LoTo solutions available for all hygienic seat valves ensure a safe maintenance & commissioning of process plants. Use an easy-to-apply AIR LOCK to cut off the control air connection. Or replace the feedback system with a sturdy DISK LOCK to safely block valve action.
AIR LOCK for seat valves
Locks the air connection to the control top or actuator
- Prevents the movement of the actuator
- Not water hammer proof
- Suitable for straight or angled air connections. Not suitable for pressed-in air connections
DISK LOCK for seat valves
Locking the movement of the actuator
- Valve disk is fixed
- Advanced solution – increased safety
- In the event of a water hammer, the valve remains closed
VARIVENT® Mixproof valve without lifting actuator
- With and without control top
- Locking of main stroke via AIR LOCK or DISK LOCK
VARIVENT® Mixproof valve with lifting actuator
- With or without control top
- Locking of main stroke via AIR LOCK or DISK LOCK
+ additional AIR LOCKs for the lift
More
Workplace safety matters
Locking in safety
Downloads
Related Products
VARIVENT® Mixproof shut-off valves with seat lifting
To accommodate the different requirements of various industries, applications and processes, we have a variety of mixproof shut-off valves in our portfolio.
VARIVENT® Mixproof shut-off valves
VARIVENT® double-seat valves are used for mixproof shut-off of incompatible products at pipe junctions.
VARIVENT® Mixproof shut-off valves, piggable
A special feature of this valve is that one of the valve housings may be pushed out using a pig. This technique allows for the recovery of high quality products at the end of a process step and thus to minimize product residues inside the pipe.
VARIVENT® Mixproof shut-off valves for CIP & gas blocks
VARIVENT® mixproof valves type C and K are used as an efficient alternative for mixproof separation of incompatible products at pipeline junctions within CIP systems or gas blocks.
GEA Insights
Blueprint for better: How GEA rebuilt itself
Since 2019, GEA has risen from underperformer to DAX member – one of Germany's top 40 listed companies – by fostering entrepreneurship and turning sustainability into a competitive advantage. It reached this milestone in its nearly 145-year history without tailwinds or shortcuts, in a world of compounding crises. This turnaround shows what's possible when purpose and performance align.
Video: GEA's 2025 year in review
This year was a big one for GEA. Can you remember all the milestones and highlights?
Touching lives, lifting communities
The GEA Foundation launched this year with a promise: to make a tangible difference in people's lives. From scholarships in Germany to clean water in Tanzania, the foundation is already proving that when companies commit to giving back, lives change.
