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The working principle of manual reversing valve

The working principle of manual reversing valve

  • Categories:Industry news
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  • Time of issue:2020-08-19
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(Summary description)Manual reversing valve is mainly composed of valve body, sealing component, cam, valve stem, handle and bonnet. The valve is driven by the handle. The handle drives the valve stem and cam to rotate. The cam has positioning drive and locking the opening of the sealing assembly. With the closing function, the handle rotates counterclockwise.

The working principle of manual reversing valve

(Summary description)Manual reversing valve is mainly composed of valve body, sealing component, cam, valve stem, handle and bonnet. The valve is driven by the handle. The handle drives the valve stem and cam to rotate. The cam has positioning drive and locking the opening of the sealing assembly. With the closing function, the handle rotates counterclockwise.

  • Categories:Industry news
  • Author:
  • Origin:
  • Time of issue:2020-08-19
  • Views:0
Information

Manual reversing valve is mainly composed of valve body, sealing component, cam, valve stem, handle and bonnet. The valve is driven by the handle. The handle drives the valve stem and cam to rotate. The cam has positioning drive and locking the opening of the sealing assembly. With the closing function, the handle rotates counterclockwise. The two sets of sealing components close the two channels at the lower end under the action of the cam. The two channels at the upper end communicate with the inlet of the pipeline device. On the contrary, the two channels at the upper end are closed, and the two channels at the lower end are The two channels are connected to the inlet of the pipeline device, realizing non-stop reversing.

Manual reversing valve is a directional control valve with more than two flow patterns and more than two oil ports. It is a valve that realizes the communication, cut-off and reversal of hydraulic oil flow, as well as pressure unloading and sequential action control. It can be divided into manual reversing Directional valve, electromagnetic reversing valve, electro-hydraulic reversing valve, etc.

Also known as the Chris valve, a kind of valve, has a multi-directional adjustable channel that can change the direction of fluid flow in time.

During operation, the drive shaft is rotated by the drive transmission mechanism outside the valve to drive the swing arm and activate the valve plate, so that the operating fluid sometimes flows from the left inlet to the lower outlet of the valve. Sometimes it is switched from the right entrance to the lower exit, realizing the purpose of periodically switching the flow direction.

This kind of switch valve has a wide range of applications in petroleum and chemical production, and is most commonly used in synthetic ammonia gas production systems. In addition, the manual reversing valve can also be made into a disc structure, which is mostly used in small flow occasions. Need to turn the hand wheel to switch the flow direction of the operating fluid through the valve clack.

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