Mechanical Interlocks

MECHANICAL INTERLOCK,WITH SERIES RL4R-CL45 and CR45 CONTACTORS ONLY,MADE IN SPAIN

It is a mechanical interlocking system for two Compact NSX 100/160/250 devices with toggles. The authorized positions are one device OFF (closed) and the other ON (opened), or the two devices OFF (closed). The system is locked using one or two padlocks (shackle diameter from 5mm to 8mm). Two identical interlocking systems can be used to interlock three devices installed side by side.

Valves have a prime safety function in many process industries. The opening and closing of valves in the wrong sequence can have disastrous consequences causing serious or fatal injury to operating personnel, loss of product, damage to plant and equipment and pollution of the environment. Ensuring the safe operation of valves is essential in industries ranging from water and food production to chemical manufacture and oil refining. Controlling the sequence of events in which process activities are conducted, has been achieved by documented instructions. However, this system is susceptible to 'human error', distractions. Failure to interpret instructions correctly, work load, stress, ignorance of the system, can all lead the operator to make errors, and the consequences can be disastrous.

Features: DurabilityStrong construction

Petromech Engineers Private Limited (PEPL) is a leading Mechanical valve interlock manufacturer based in India. Valve interlocks are essential safety products required in a range of industrial settings such as process plants, refineries, power plants, tank farms, and both onshore and offshore oil and gas installations. They ensure that valve operations follow a predetermined sequence outlined by the client s process specifications. This not only guarantees safe operation but also safeguards both personnel and equipment. Petromech provides intelligent design solutions, manufactures and installs valve interlocks at new and in use plants without stopping the daily routine work being conducted at sites. The Stainless steel 316 grade material Valve Interlocks: The Valve interlocks are very important components of safety consciousness in process plants and are designed to be fail safe in operating a system in a pre-determined sequence. In a process where oil, gas or any chemical passes through the critical phases of flow, opening of valves as per the specific process requirement is controlled by Valve interlocks mounted on the valves and having coded keys where a specific valve can be opened or closed only by a particular coded key assigned for that operation which totally eliminates the error in opening a non-assigned valve. Valve interlocks ensure safe operation and accurate opening and closing of valves as per designed operation. Interlocks are innovative designs which effectively overcome human error and enhance safe operations.

This is the basic unit of our interlocking system. These locks consist of a mechanism housed within a brass body. A shaft of round or square cross section is projected from the rear of Lock-body. The lock is operated by inserting and rotating a special key in the lock. Standard Lock with 901. 651, or 45, clockwise or Anticlockwise rotation can be supplied. In these, key is free only in one position. In another position it is trapped in the lock. The lock of one particular combination can be operated by the key of that combination only. The locks can be provided with spring loaded caps which will prevent ingress of dust when key is out Key can also be fitted with rubber caps to prevent entering of dust when key is trapped inside the lock.

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Interlocks