Series pneumatic ball valves widely applicable to fluid control natural gas, oil, chemicals, metallurgy, paper, electricity, mining, printing and dyeing, pharmaceutical, household chemicals, food and beverage, water treatment and air treatment industry or regulatory control, and automation Pneumatic instrument is used together.

The series of pneumatic ball valve features are:

â—† Pneumatic actuator : It adopts a new series of GT-type pneumatic actuators, with double-acting and single-acting (spring return), rack and pinion transmission, safe and reliable; large-diameter valves adopt series HAW pneumatic actuator fork-type transmission, Reasonable structure, large output torque, double acting and single acting (spring return); refer to our pneumatic actuator sample.

â—†Shell structure: The valve body of the fixed ball valve can be designed into three forms: casting structure, forged structure and all-welded structure according to different needs of users and actual working conditions. The ball valve of all welded structure is mainly suitable for buried use.

â—†Unique seat sealing structure:

The floating ball valve adopts the lip-type elastic sealing ring structure to ensure the reliability of the seal. For low pressure, ultra low pressure or vacuum; the ball valve is used for the condition, and the valve seat sealing structure loaded by the leaf spring can ensure the long-term reliable sealing of the ball valve. The seat material of medium and high temperature ball valves can be selected from para-polyphenyl or metal materials.

The fixed ball valve selects the ball front sealing structure, the ball rear sealing structure or the front and rear double sealing structure according to the pressure, the medium property and the sealing requirements. The seat material of medium and high temperature ball valves can be selected from para-polyphenyl or metal materials.

â—† Blocking and excretion: When the valve is in the closed state, the valve seat on the upstream and downstream sides blocks the liquid, and the accumulation of the cavity in the valve body can be drained through the drain device.

â—†Automatic pressure relief structure: When the pressure in the middle cavity rises abnormally, the medium cavity medium can push the valve seat by its own thrust and automatically release pressure, thus ensuring the safety of the valve.

â—†Reliable sealing of valve stem: The valve stem adopts the bottom-loading structure with 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, and when the valve stem is abnormally boosted. The valve stem will not be ejected.

â—†Fireproof structure: According to the working conditions and the needs of users, the ball valve can be designed as a fireproof structure. The refractory design of the ball valve is regulated by the standards of API607 and JB/T6899. When a fire occurs and the soft seal is burnt, the fireproof structure of the ball valve can prevent a large amount of leakage of the medium and prevent further expansion of the fire.

â—†Anti-static structure: When the valve is operated, due to the friction between the ball and the valve seat, the electrostatic charge of the cattle will be generated and accumulate on the sphere. In order to prevent the generation of static sparks, an electrostatic device is placed on the valve to accumulate on the sphere. The charge is derived.

Full-bore structure and reduced-diameter structure: In order to meet the different needs of users, the company's ball valve products have two series of full diameter and reduced diameter. The inner diameter of the full-bore ball valve is the same as the inner diameter of the pipe, which is easy to clean. The weight of the reduced-diameter ball valve is relatively light, but the flow resistance is only about 1/7 of the same diameter stop valve. Therefore, the application of the reduced diameter series ball valve is broad. .

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