Fill valve shaft ① As the pipe network in the pneumatic valve, normally not open and close frequently, requiring the filling in a few years of inactivity, not aging filler, long-term effects remain sealed; ② fill valve shaft should also bear the frequent opening and closing time good sealing effect; ③ Given the above requirements Weifang valve, the valve shaft packing life does not seek to change or 10 years without replacement; measures under the replacement of pneumatic valves should be designed to have water pressure conditions ④ Packing For replacement. Pneumatic valve opening and closing levels of the display panel ① pneumatic valve opening and closing degree of scale line Z641F pneumatic valve manufacturer, should be cast in the gearbox cover or change the direction of the display after the disc casing, all for the ground wire brush on fluorescence scale pink to show striking; ② direct needle plate material available in stainless steel plate under the management of a better situation, otherwise the painting steel pneumatic valve manufacturer, do not use aluminum leather production; ③ direct drive needle eye-catching, stable fixation, Once the opening and closing adjustment accurately, should rivet locked. Z641F pneumatic valve, pneumatic valve, valve type Everbright Everbright Limited provided by Shandong valve. Valve Co., Ltd. Shandong China Everbright (www.sdgdfm.com) strong, credible, Shandong Weifang ball industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Everbright valve into the brilliant and you work for a better future!