Nucon zander [india] pvt. Ltd manufactures a wide range of high quality valves. As part of that the company offers 3/2 poppet valve zncn/666, zs/666 and zs/667 which are respectively `normally closed` and `normally open` type. These valves are used for the pilot operation of the larger control valves. They can be adjusted with different sizes. These valves also serve as 2/2 valves. These are provided with panel-mounted facility. These valves provide years of hassle free service.