• Sigma Scientific Glass Private Limited

Glass Valves & Filters

Sigma valves and filters can be relied upon to require minimum maintenance and provide maximum reliability. They provide relatively easy on off function to control flow and pressure relief. All wetted parts of valves and filters are made of borosilicate glass 3.3 and PTFE, which ensures maximum resistance to corrosion. Complete valve consists of glass valve body, PTFE bellow with nut, bakelite valve bonnet with MS spindle, etc. Different types of valves like line valve, drain valve, bottom outlet valve, vent valve, adjustable overflow valve, non return valve (flap type), non return valve (ball type), pressure relief valve, sampling valves are available. Pipeline filters are recommended to remove impurities from gas and liquid streams in glass pipelines. The assembly is designed such that the filter can be easily removed for cleaning or replacement. Sigma Scientific Glass Pvt Ltd is a leading ISO 9001:2000 certified company engaged in manufacturing of borosilicate glass 3.3 industrial process equipment, process plants and mini-pilot plants in India for chemical industry since one decade.