Pressure-balancing valve for irrigation system
An irrigation system and balancing valve technology, applied in the field of irrigation system pressure balancing valve, can solve problems such as unbalanced irrigation distribution, and achieve the effect of convenient connection
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[0018] The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.
[0019] like Figure 1-3 The pressure balance valve of the irrigation system shown is provided with threads or bayonets connecting the water inlet and outlet pipes on the left and right, and a shut-off plate 8 and a flow hole 9 are arranged in the valve body 2. The valve core of the present invention is a cylinder, piston 6 and For the limit spring 5, the conical surface of the end of the piston is matched with the overflow hole, and a water inlet channel 3 is arranged between the piston cylinder body and the valve body.
[0020] The valve core is a stepped cylinder fixed in the valve body, and the corresponding piston 6 is also stepped. When there is water flow into the balance valve, pressure is formed on the piston 6. When the water pressure is small, the piston remains stationary under the support of the limit spring 5. When the wat...
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