If sequential control is unnecessary, a valve locking device can be used to temporarily lock off the valve. The valve locking device enables individual personnel to isolate equipment while they carry out their work, safe in the knowledge that the equipment cannot be used. Sofis offers a full complement of security... read more →
Sep
08
Sep
06
Using a service valve wrench or valve opener to open or close manual multi-turn valves can easily result in damage and burrs, for instance by choosing an inappropriate hook. In addition, a service valve wrench will not prevent back strain, sore muscles or user fatigue. Using a portable valve actuator... read more →
Sep
06
Opening or closing valves in the wrong order can have disastrous consequences and cause fatal injury to operators. It can also lead to product spills, plant and equipment damage and environmental pollution. A valve interlock system is a simple mechanical device, which can be customised to implement a safe sequence of... read more →
Sep
06
Chain-drive valves and scaffolding are often used to operate hard-to-reach manual valves. In many cases, however, these solutions are expensive, time-consuming and dangerous. Remote valve operator for hazardous areas FlexiDrive eliminates the stress and dangers that valve access can bring. It can deliver torque from up to 30 metres away,... read more →
Sep
06
Market research by Sofis has revealed that many companies apply a self-made or ‘bracket-type’ position transmitter or position indicator to manual multi-rotation valves. This transmitter measures the distance of travel of any moving object and transmits a signal. In practice, these companies often experience serious issues with these kinds of... read more →
Sep
05
The VPI position indicator (VPI) provides process facility control rooms with a reliable remote signal, keeping personnel aware of the current position of hand wheel-operated gate valves. Accurate valve status for new and existing valves In the process industry, awareness of valves’ current status is essential to avoid injury and... read more →
Sep
05
Pigging systems are used to insert a pipeline inspection gauge (pig) into a live system transporting gas or liquid media, in order to perform various maintenance operations. As they involve such high pressure levels, pigging operations should follow a precise procedure to avoid disastrous outcomes. Mechanical interlocks safeguard normal pigging... read more →
Sep
05
A pigging operation is dangerous, as opening a pig trap closure while there is pressure in the barrel can shoot the pig out of the launcher at high speeds. Attempting to pass a pig through a partially open outlet valve, or prematurely opening the pig trap in the presence of... read more →
Jan
09
Sofis valve operation has installed a safety system for bulk handling at logistics company Limpens Elsloo. The system prevents contamination due to incorrect filling of silos. Thanks to the smart key system, Limpens Elsloo can now rest assured that no errors will be made when filling and emptying over 100... read more →
Dec
21
A fatal incident on June 25th 2012 at a production facility of one of the globally leading oil companies in the United States proves the need for guaranteeing safe pigging operations. During a preparation of a pipeline inspection using a pigging operation, a temporary pig launcher that was attached to... read more →