This series pressure reducing valve is a direct role in film spring pressure reducing valve is designed and manufactured on the basis of drawing on the advantages of similar foreign products. Mainly by the diaphragm, part of the shelf and shaped disc, adjust the spring. Downstream of the diaphragm sensing pressure changes drive the valve to change the control valve opening degree of vacuum regulator function. Adjust the spring pressure it is set to set the value of the outlet pressure. 
 This product is appropriate to increase the diaphragm area, to improve sensitivity. The vacuum regulator is stable and sensitive. Extension pipe for apartment buildings and residential high-rise buildings and apartments, residential home branch pipe. 
 Linyi Industry Valve Manufacturing Co., Ltd., on free :400-6999-972, the Chengzhao some cities vacancies agents