HaWe screw cartridge check valve RK4

hawe Screw cartridge check valve RK4 It is a type of throttle valve , It is used in hydraulic system or pneumatic system to prevent the reverse flow of oil or compressed air .hawe Screw cartridge check valve RK4 It is installed on the pipeline by threaded connection , It can open the circulation in one direction , Turn off circulation in the opposite direction .

（ chart / writing Ningbo thinks of him Jing ）

hawe Screw cartridge check valve RK4 There are two components , Between these elements or through flanges （PK type ） join , Or through pre compression connection .RK Type or RB type , There is a hemispherical spool between them , Positioned by spring preload , The valve core is made of stainless steel rolled bearings 、 Hardened and ground conical spool , Again , The valve seat is also quenched and ground , Due to the loading of the spring , Therefore, the ball valve has a firm structure and is not sensitive to dirt .

hawe Screw cartridge check valve RK4 Use steel ball as valve core , When opening, quickly open the whole overflow valve port , Without pre pressure relief mechanism . This valve can be used in all ordinary operating systems . The throttle in the control interface acts as a control damping for controlling the opening of the valve core , So as to significantly suppress the pressure shock . If there is impact during the test , A control pipe similar to a throttle valve can be used , To achieve the required additional damping .

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