Higher temperature solders will damage the seatmaterial.
采用更高温度的焊料将会损坏阀座材料。
2
The seatmaterial shall be one of the following materials: ethylene-propylene-diene monomer or fluoroelastomer with polytetrafluoroethylene bearing support at the top and bottom.
阀座材料应该是下列材料之一:乙烯-丙烯-二烯系单体或氟橡胶,在顶部和底部配置聚四氟乙烯轴承支撑。
3
Comments: When using diaphragm valves or any valve with a soft seatmaterial in a service where corrosion products can be produced, it is very important to take precautions to prevent those reactions.