WATER FILLING VALVE FOR BOILER WITH AIR GAP MAKING MEANS
A make-up water supplying valve of a boiler comprising an air gap forming unit according to the present invention supplies make-up water to a heating water pipe by a simple manipulation of rotating an operation knob, and forms an air gap in the make-up water supplying valve automatically when the su...
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Format: | Patent |
Sprache: | eng ; kor |
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Zusammenfassung: | A make-up water supplying valve of a boiler comprising an air gap forming unit according to the present invention supplies make-up water to a heating water pipe by a simple manipulation of rotating an operation knob, and forms an air gap in the make-up water supplying valve automatically when the supply of the make-up water is completed. Because a complete separation state between a heating water pipe and a direct water pipe is maintained by the air gap formed in the make-up water supply valve, the make-up water supplying valve can block inflow of the backward flown heating water from flowing into the direct water pipe even when the heating water is leaked from the heating water pipe and flows backward.
본 발명에 따른 에어갭 형성수단을 갖는 보일러의 보충수 공급밸브는 작동노브를 회전시키는 간단한 조작으로 난방수배관으로의 보충수의 공급이 이루어지고, 보충수의 공급이 완료되면 자동적으로 보충수 공급밸브에 에어갭이 형성되도록 한 것으로서, 보충수 공급밸브에 형성된 에어갭에 의해 난방수배관과 직수배관이 완전히 분리된 상태를 유지하기 때문에 혹시 난방수배관으로부터 난방수가 누설되어 역류하는 경우에도 역류된 난방수가 직수배관으로 유입되는 것을 근본적으로 차단할 수 있다. |
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