香烟快递能寄几条,娇子香烟价格表,黄鹤楼烟多少钱,沉香香烟价格

Double Mechanical Seal
Suitable for sesl for agitator in reactor with nominal pressure of no more than 1MPa,working temperature of -20-+200°C,outer diameter of agitator shaft of 40-160mm and linear shaft of less than 2m/s.Centralized structure, universal-purpose compatible with strong corrosive media bearing suspended particles; generally,used together with hydraulic pump station.

Working environments: flammable,explosive,toxic,and strong corrosive gas.

Notes: Split flange nominal pressure is PN1.0.