Sep
22
Sofis is to supply 4,500 valve interlocks to an EPC contractor delivering the first phase of a heavy oil development programme for the Kuwait Oil Company (KOC). The interlocks will mainly be fitted to pressure safety valves and pig traps. EPC contractor chooses Sofis for Kuwait Oil Company project The...
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Sep
08
In order to operate a valve equipped with a Netherlocks interlock from a locked-open to a locked-closed position, you first need the 'open' key for that particular valve interlock. The 'open' key code is hard dye stamped into the key, as well as the right-hand front side of the lock...
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Sep
08
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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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