derwent james safety equipment & consultancy

Providing outstanding safety equipment, consultancy and expertise for your company.
Because safety is a necessity, not a commodity

Tel: 01332 673700 Mobile: 07968 512311 Email: neilfinney@derwentjames.co.uk

process industry safety

Process Safety Equipment

Process Safety Equipment

Process safety focuses on preventing fires, explosions and accidental chemical releases in chemical process facilities or other facilities dealing with hazardous materials such as refineries, and oil and gas (onshore and offshore) production installations. Process safety equipment offered by Derwent James Ltd can be defined as follows;

Chemical sampling valves

Chemical sampling valves and systems are specifically designed process safety equipment. Used for the manual taking of samples of hazardous chemicals. Sampling can be done from process pipes and vessels. Often a process will require more than just a valve. Therefore a closed loop sampling system will be necessary. Particularly if the pressure or temperature exceed a safe level. Derwent James Ltd are the exclusive UK representative for Dopak sampling systems.

Sampling systems from Dopak for hazardous chemicals are installed worldwide in all sectors of the process industry and these can be installed to a pipeline or to a tank. With a Dopak sampling system you can take a hazardous sample safely and cleanly with no spills using our septum sealed sample bottles.

Lockout tagout isolation

Lockout/tagout is the specific procedure to safeguard employees from the unexpected energization or startup of machinery and equipment, or the release of hazardous energy during service or maintenance activities. Our LOTO equipment is used for the safe isolation of mechanical machinery to ensure the machinery is properly shutoff and cannot be restarted until all people involved are safe from potential harm, particularly useful for machinery maintenance personnel.

Mechanical valve interlocks

Mechanical key interlocking is the safe transfer of keys. Each key lock is executed with two keys, one for the locked open position and one for the locked closed position. When the valve is open the ‘open’  key can be released and transferred to another lock with the same key code. All our keys are unique and depending on the sequence we canl determine the codes to guarantee the sequence you require.

Mechanical valve interlocks are mechanical process safety devices.  They ensure that multiple valves can only be operated in the correct sequence.  This eliminates human error.  It therefore protects people from potential harm or injury.  Additionally interlocks protect the process from incorrect operation.

Lightning warning systems

Our Biral lightning detector is a device that detects lightning produced by thunderstorms. We take a professional approach to thunderstorm detection working with senior engineers in the aviation and leisure sectors. Bringing lightning warning system experts to the UK process sector.

Process safety equipment – specialists

Derwent James Ltd can assist in the design and specification of process safety equipment. For further details please do get in touch, our contact detail are HERE


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Providing outstanding safety equipment, consultancy and expertise for your company.
Because safety is a necessity, not a commodity

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