Gas chlorinator is believed to be a significant aspect for the treatment of water. It assists to observe and separate chlorine from the water system. By utilizing this system, water is purified and get free from infection. Mostly chlorine is utilized in swimming pool to eradicate bacteria and it is a normal usage of Gas Chlorinator. The cleansing application of chlorine water can be utilized by various industries as a treatment for water. Gas chlorination system professionally observes and separates the chlorine into water system on the daily basis. It is utilized for industrial and commercial purposes. To sustain a residual chlorine gas is added to water through sensitive machinery. Gas chlorination has several applications and some of these applications contains disinfecting swimming pool, dye waste treatment, cleansing Industrial process, odor of drinking, safety etc. Water is a significant aspect of life and it has to be pollutant free as most of the health diseases are caused by unhygienic water. Water purification is a process where water is filtered so that it can be used for the desired purpose and this is known as Water Treatment. It can be used for domestic purpose, industrial purpose, medical purpose and other uses. The purpose of this treatment is to make water free from pollutants. It has also been filtered for natural environment without making any unfavorable impact to ecological system. For this treatment, there are various types of processes accessible in the market and the most popular one is solid separation by utilizing physical operation like settling, filtering and the other water treatment methods are biological and chemical process. Wastewater treatment of industries covers the mechanisms and processes utilized to treat waters, which have been polluted in some way by anthropogenic industrial or commercial activities before its discharge into the environment or its re-utilization. Many industries, which generate some wet waste though current trends in the urbanized world, are working to lessen such production or recycle such waste within the production process. Though, various industries are still reliant on processes that generate wastewaters. Gas manifold are the automatic changeover regulator system that gives precise, uninterrupted gas flow. There are many companies that manufacture numerous gas manifold boxes to meet the customer specification. While manufacturing, the companies also take better care to eradicate dead legs and guarantee ultra pure gas delivery with the gas manifold boxes.