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Advantages New-style sanitary stop/switch valves possess more improved safety, clearance, durability and appearance. Having open supporter which separates the pneumatic actuator and valve body, check the shaft seal directly. This design separates the gearing and product parts, prevents the heat transfer from valve body to pneumatic device "N C" and "N O" functions can be instantly switched Spherical valve body has ideal fluidity and clearance Dealing with material becomes much milder Standard valve body design makes the joint style more flexible and various Metal stop mechanism assures the long life of the seal Quick,convenient assembly and maintainance operation Material Material Contact Parts: 304 or 316L Sealing material: standard EPDM Silica gel, fluorine gel for option Surface treatment Outside: Sandblast Ra≤1.6μm Calendar≤0.6μm Inside: polish above Ra≤0.6μm