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Product features:
   
      series of pneumatic ball valves are widely used in natural gas, oil, chemical, metallurgy, papermaking, electric power, mining, printing and dyeing, biopharmaceutical, daily chemical, food materials, water treatment and air treatment industries. Automatic control or regulation control of fluids , used in conjunction with automated instruments.

Structural features:

1. Pneumatic actuator: adopts the new PT series pneumatic actuator, whose structure has obtained the national utility model patent, including double-acting and single-acting (spring return), and adopts rack-and-pinion structure transmission, which has safer and more reliable performance; The large-diameter valve adopts AW series pneumatic actuator, adopts fork structure transmission, reasonable structure, large output torque, double-acting and single-acting (spring return); for detailed parameters, please refer to our company's PT series and AW series actuators sample.

2. Shell structure: The valve body of the ball valve is designed in three forms: casting structure, forging structure and all-welded structure according to different needs and actual working conditions. Among them, the ball valve with all-welded structure is mainly suitable for buried use.

3. Unique seat sealing structure: The floating ball valve adopts the lip-shaped elastic sealing ring structure design, and its structure has obtained the national patent to ensure the reliability and service life of the sealing. , The valve seat sealing structure loaded by the leaf spring can ensure the reliable sealing of the ball valve for long-term use. The seat material of the medium and high temperature ball valve can be made of para-polyphenylene or metal.
The fixed ball valve chooses the ball front sealing structure, the ball sealing structure or the front and rear double sealing structure according to the pressure, the properties of the medium and the sealing requirements. The seat material of the medium and high temperature ball valve can be made of para-polyphenylene or metal.

4. Blocking and excretion: When the valve is in the closed state, the valve seat on the upstream and downstream sides is blocked by liquid, and the accumulation in the cavity of the valve body can be excreted through the excretion device.

5. Automatic pressure relief structure: When the pressure in the middle cavity rises abnormally, the medium in the middle cavity can automatically release the pressure by pushing the valve seat by its own reasoning, so as to ensure the safety of the valve body.

6. Reliable sealing of the valve stem: The valve stem adopts a bottom-mounted structure with an inverted seal. The sealing force of the inverted seal increases with the increase of the medium pressure, so it can ensure the reliable sealing of the valve stem.
When the door is abnormally boosted, the valve stem will not be ejected.

7. Fireproof structure: According to the working conditions and the needs of users, the ball valve can be designed as a fireproof structure. The fire-resistant design of the ball valve complies with the provisions of API 6D and JB/T6899 standards. Once a fire occurs and the soft sealing ring is burned, the fire-resistant structure of the ball valve can prevent a large amount of leakage of the medium and prevent the further expansion of the fire.

8. Anti-static structure: When the valve is operated, due to the friction between the ball and the valve seat, electrostatic charges will be generated and accumulated on the ball. The charge on the sphere is derived.
 

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