A self-operated fluorine-lined pressure regulating valve
A pressure-regulating, self-operated technology, applied in the field of pressure-regulating valves, can solve problems such as increased replacement costs, long pressure-taking pipelines, and damage to pressure-taking conduits, and achieve the effect of ensuring transmission accuracy, short pressure-taking channels, and improving Effect
Active Publication Date: 2019-05-31
苏州博锦自控阀业有限公司
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Problems solved by technology
[0004] This structure of using an external pressure-taking conduit to transfer the medium has the following disadvantages: 1. The pressure-taking pipeline is long, the pressure transmission flow resistance is large, and it is easy to cause blockage; 2. The pressure-taking conduit is external, so that the pressure-taking The medium in the pipeline is easily affected by the external environment, which reduces the accuracy of medium pressure transmission; 3. The pressure-taking conduit is easily damaged by external factors, which increases the replacement cost
Method used
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Embodiment Construction
[0040] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0041] See attached figure 1 , a self-operated fluorine-lined pressure regulating valve, mainly including a main regulating valve 100 and a film regulator 200 arranged on the upper end of the main regulating valve 100 .
[0042] See attached figure 2 , the main regulating valve 100 includes a valve body 110 with an installation cavity, a valve seat 120 installed in the control installation cavity and sealingly matched with the inner wall of the control installation cavity, and a valve that is sealed and matched with the valve seat 120 to realize the opening and closing state of the main regulating valve 100 Core 130.
[0043] The valve body 110 includes a pre-valve pipe 112 , a post-valve pipe 113 and a control pipe 114 through which the valve core 130 slides. In this embodiment, the pipeline 112 before the valve communicates with the installation chamber...
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The invention discloses a self-operated type fluorine lined pressure adjusting valve. By means of the self-operated type fluorine lined pressure adjusting valve, the fact that the pressure at the outlet / inlet positions of the pressure adjusting valve can be delivered to a thin film adjuster without using an external pressure obtaining guide pipe is realized. The self-operated type fluorine lined pressure adjusting valve is characterized in that according to the self-operated type fluorine lined pressure adjusting valve, by means of the structural arrangement of a self-adjustment component, a valve core, a pulling rod, a pressing disc, the valve core and an adjusting thin film are made to be capable of performing lifting synchronously, the fact that the pressure behind the valve is delivered to the thin film adjuster without arranging the external pressure obtaining guide pipe is realized, compared with the self-operated type fluorine lined pressure adjusting valve provided with the pressure obtaining guide pipe, the above-mentioned self-operated type fluorine lined pressure adjusting valve is compact in structure, a whole pressure obtaining passage is short, the self-operated typefluorine lined pressure adjusting valve is less subject to external influence, and the precision of self-operated type pressure adjusting is high.
Description
technical field [0001] The invention belongs to the technical field of pressure regulating valves, in particular to a self-operated fluorine-lined pressure regulating valve. Background technique [0002] The self-operated fluorine-lined pressure regulating valve is a pressure regulating valve that does not require external energy, and only uses the pressure change of the regulated medium itself for automatic pressure regulation. However, the self-operated fluorine-lined pressure regulating valve at this stage generally guides the medium in the pipeline before the valve or behind the valve to the membrane regulator of the self-operated fluorine-lined pressure regulating valve through a pressure-taking conduit, and uses the adjustment spring and the membrane regulator. The pressure balance of the diaphragm is to adopt an external pressure-taking structure. [0003] The Chinese utility model patent with the authorized announcement number CN201982783U discloses a self-operated ...
Claims
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IPC IPC(8): F16K17/32
CPCF16K17/32
Inventor 代振廷
Owner 苏州博锦自控阀业有限公司