Cable Glands are circular mechanical cable entry devices that seal electrical cable entering an enclosure, motor, pump or generator. With different materials like brass, stainless steel, cooper, nickel plated and glass reinforced polyester, the cable gland comes in several materials which can offer numbers of advantages on the cable as well as the electrical equipment. Besides, the reasons why you should try the cable glands are various, for example, with the use of it, you can achieve the goal of environment protection from dust and moisture from the enclosure. The cable gland can also provide a holding force to limit the pull out resistance. Not to mention the ability to maintain a level of protection on the attached equipment in Hazardous areas.
With so many advantages, you definitely want to give it a try. But, it is important to know how to choose the right cable gland. The basic rule for choosing the right one is to see the type of used cable and its diameter. While you are choosing, you may be wandering around the materials since you have no idea how to decide. Or you may be confused by the rate of the Hazardous Area. What’s more, the type of thread which can be needed on the male end of the gland is also one of the most common questions for the consumers.
So, I’m here to share some useful tips. There are five different types of sealing method for the cable glands, and this will also affect the cable inner bedding seal. The types of seal include: compression, displacement, diaphragm, compensating displacement and compound barrier. One thing to help you telling the difference between each of them is to see the application of the sealing ring. Once you know the guides, it will be much more easier for you to purchase the cable glands.