According to the structure form classification of Regulating valve

       Classification according to the structure of the form

      1.The pneumatic control valve

     (1).Press the pneumatic classification form mechanism

    (a) Thin film actuator. Is divided into direct installed type (positive action and reaction) and side mounted (positive effect)

     (b).The piston actuator, and proportional (positive action and reaction, and two bit.

     (c).A long stroke actuator

     (d).Rolling thin film actuator.

     According to the regulation of the form of classification: (a) Regulation; (b)cut off; (c) regulating off type.

     Classification by mobile type: (a) straight stroke; (b) the angle travel.

     Classification according to the spool shape: (a) the flat shaped valve core;(b) piston shaped valve core; (c) the window shaped valve core; (d) the sleeve shaped valve core; (E) multi shaped valve core; (f) the partial spiralvalve; (g) the butterfly valve; (H) ball valve.

     According to the classification of the flow characteristics: (a) linear; (b) the percentage of; (c) a parabola; (d) a quick opening.

    According to the classification of the form of the valve cover: (a) the ordinary type; (b) powder (suction) heat type; (c) the long necked type; (d)bellows seal.

Tensioning Roller Sprocket

     (2) the electric control valve

     The classification according to form electric Title Mechanism: (a) the angle travel; (b) straight stroke; (c) rotary.

    According to the classification of attachment: (a) servo amplifier; (b) the limit switch.

    Classification by flow characteristics: (a) linear; (b) the percentage of; (c) a parabola; (d) a quick opening.

     According to the upper cover form classification: (a) the ordinary type; (b)powder (suction) heat type; (c) the  long necked type; (d) bellows seal.

     (3).The manual control valve. According to the classification of the valve core traits: conical shaped piston sleeve shaped;;; multilevel; partial spiral;butterfly; spherical or hemispherical.

      (4) (electric) hydraulic control valve.

      (5).The intelligent machine adjusting valve.

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