The following is a detailed introduction to the soft-seal Floating Ball valve:
1. Structure and working principle
Ball: The ball is a floating design, relying on the medium pressure to press the ball to the valve seat on the outlet side to form a seal.
Valve seat: Made of soft materials (such as PTFE, rubber, nylon, etc.), it has good elasticity and sealing performance.
Valve stem: Connects the ball and the operating mechanism (such as handle, actuator) to transmit rotational force.
Valve body: The outer shell of the valve, usually made of metal (such as cast iron, stainless steel, carbon steel) or plastic.
Sealing ring: Installed between the valve seat and the valve body to ensure sealing performance.
2. Application field
Chemical industry: Suitable for the control of corrosive media such as acids, alkalis, and salts.
Water treatment: Used in water supply and drainage systems, sewage treatment, etc.
Food and medicine: Suitable for sanitary conditions, such as pure water, beverages, liquid medicine, etc.
Civil field: Used for household water supply, heating systems, etc.
Industrial field: Suitable for the control of low-pressure gas and liquid media.
3. Advantages
Zero leakage: Soft sealing materials can achieve bidirectional sealing with extremely low leakage rate.
Corrosion resistance: Applicable to a variety of corrosive media, extending the service life of the valve.
Easy to operate: Since the sealing material is soft, the operating torque is small and suitable for manual operation.
Low cost: Compared with metal sealing valves, the manufacturing cost of soft sealing floating ball valves is lower.
4. Disadvantages
Temperature limit: The temperature resistance of soft sealing materials is limited, and they are usually suitable for medium and low temperature conditions (generally not exceeding 200℃).
Pressure limit: Applicable to medium and low pressure conditions, the sealing material may fail under high pressure.
Poor wear resistance: Soft sealing materials are easy to wear in media containing solid particles.
