Sigma Scientific Glass Pvt. Ltd offers Drain Valves. Sigma Scientific Glass Pvt. Ltd is an ISO 9001:2000 certified company. The Drain Valves are used in chemical, pharmaceutical, dyes and allied industries. These are made of borosilicate glass 3.3 and PTFE or PFA, which ensures maximum resistance to corrosion. The valve glass body provides visual monitoring of valve operation. These Drain Valves have hose connector nozzle design at the outlet to ensure secure connection to hose.
