{"type":"product","schema_version":"1.0","item_id":"101039002308","canonical_url":"https://tw.bid.yahoo.com/item/101039002308","title":"安全閥 6分逆止安全閥 3/4 DN20 熱水器安全閥 熱水桶安全閥 4分安全洩壓閥 251688","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-04-26T01:29:12.363Z","current_price":250,"original_price":null,"stock_status":"in_stock","available_quantity":18,"sold_quantity":1,"seller":{"id":"Y9875095800","name":"定遠資訊 選手電腦 我是畬","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/844ec62a-b77a-49a9-8de7-24f92ca1d4a1.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/eb3be066-a003-46e9-b8cb-882508abc4e3.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/b75effd3-14a8-4b2c-b9c6-5d9fddb11a61.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/12a101d6-c166-406c-914b-fa44fa74ce43.jpg","role":"detail","alt":"商品圖片 4","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/b3087665-f459-42eb-b7ba-b219100007c8.jpg","role":"detail","alt":"商品圖片 5","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/b4bcd89a-befc-4d3e-9b13-e21c886f0a31.jpg","role":"detail","alt":"商品圖片 6","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/d6d8dee0-c8c4-4f0c-bba7-456e29eb2ea2.jpg","role":"detail","alt":"商品圖片 7","width":null,"height":null},{"url":"https://img.yec.tw/cl/api/res/1.2/s634SbLW3rGCMoRY2vT9ow--/YXBwaWQ9cHJvZHVjdDtoPTQ3MjtxPTg1O3JvdGF0ZT1hdXRvO3c9NzQ0/https://img.yec.tw/oj/image/e59cb60d-573f-4d25-8f4d-a36d43af1d8f.jpg.cf.jpg","role":"detail","alt":"商品圖片 8","width":null,"height":null},{"url":"https://img.yec.tw/cl/api/res/1.2/p7qjtc6xfdAhJy0MzdETmw--/YXBwaWQ9cHJvZHVjdDtoPTQ3MjtxPTg1O3JvdGF0ZT1hdXRvO3c9NzQ0/https://img.yec.tw/oj/image/cd43b01a-fabd-4171-a09a-d64db5ad6005.jpg.cf.jpg","role":"detail","alt":"商品圖片 9","width":null,"height":null}],"description":"泄壓閥 =安全閥=安全洩壓閥 =逆止安全閥 \n\n完整的家用熱水系統 , 安裝設備順序\n\n \n\n減壓閥  >>安全逆止洩壓閥 >>> 監控桶內壓力表組\n\n \n\n熱水桶內壓力變化一清二楚 ,不用再問為何會/滴水/漏水 ... ...\n\n \n\n正常時儲熱水桶大約設定溫度在 45~60度C ,只要溫升或設備不正常時 ,\n\n \n\n安全閥洩壓壓力 7KG/cm2 +- , 即會滴水洩水 , 以保內桶安全\n\n \n\n因為熱水會積垢 (水質+石灰), 加熱設備或管路都會因熱水有更多的水垢 ,\n\n \n\n除非大型熱水循環系統 , 才會有軟水處理來預防 ,\n\n \n\n所以安全洩壓閥要定期更換 ( 積垢 ) , 以保安全\n\n \n\n$$$  想要多一個保障 , 可以再加裝一個安全洩壓閥 \"在熱水出口處\"  $$$\n\n \n\n@減壓閥 6分/ 5KG壓力表組  ( 可選 )\n\n \n\n@6分安全洩壓閥 7KG/cm2  (  必要 )\n\n \n\n \n\n建議\n\n \n\n完整的家用熱水系統\n\n \n\n減壓閥+安全洩壓閥+監控壓力錶組 = 圖片所示全部結合\n\n \n\n接口規格：  / 6分 3/4\"  DN20 都是水電規格通用的\n\n \n\n安全洩壓閥壓力 7KG/cm2 ,大約 7KG~ +- 左右開始洩壓\n\n \n\n安全閥是一種壓力保護閥，洩壓的功能。\n\n \n\n防止電熱水器內的熱水倒流回冷水管內，浪費電費，\n\n \n\n能夠將電熱水器內因水溫增高而增大的壓力排泄出去，以保證內膽的正常使用。\n\n \n\n\"假設\"\n\n \n\n進水壓力是 1.5kg ， 熱水器水溫異常增加到 70度，溫升壓力+ 6 kg， 1.5+5=7.5，\n\n \n\n超過安全閥的洩壓範圍 ，就必需由安全閥滴水洩壓。\n\n \n\n常見問題 : 安裝新的安全閥洩壓口還是滴水、漏水怎麼辦？\n\n \n\n \n\n \n\n答：\n\n \n\n您家水管的水壓，應該已經超過安全閥的洩壓範圍，\n\n \n\n建議安全閥前安裝一個減壓閥附壓力錶型！進水壓力控制在 1.5~2.5kg左右。\n\n \n\n\"假設\"\n\n \n\n進水壓力是 3.5kg ， 熱水器水溫增加到 60度，溫升壓力+ 5 kg，3.5+3=8.5，\n\n \n\n必需要把進水壓力控制在 1.5KG 左右，加裝減壓閥即可。\n\n \n\n \n\n \n\n安全閥產品材質：主體全銅+電鍍\n\n \n\n1.公稱壓力：0.7MPa   0.8Mpa\n\n \n\n2.工作介質：水\n\n \n\n3.工作溫度：0℃≤t≤100℃\n\n \n\n正常電熱水器的銘牌上都有標注額定壓力；\n\n \n\n若不清楚，一般容量小於80升的電熱水器都用0.7Mpa的就可以\n\n \n\nP.S. \n\n \n\n有相關電熱熱水/大陽能熱水系統 /大型鍋爐設備 , 電熱/瓦斯/柴油系統\n\n \n\n安全閥/釋氣閥/迴水系統 , 配管/電路控制皆可以詢問","shipping_methods":[{"name":"郵局掛號","fee":0,"currency":"TWD"},{"name":"萊爾富取貨付款","fee":0,"currency":"TWD"},{"name":"7-ELEVEN取貨付款","fee":0,"currency":"TWD"},{"name":"面交/自取/不寄送","fee":0,"currency":"TWD"},{"name":"宅配/貨運","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳","萊爾富取貨付款","7-ELEVEN取貨付款"],"category_id":"2092080281","category_name":"五金配件","breadcrumb":[{"id":"24198","name":"居家、家具與園藝","url":"/tw/%E5%B1%85%E5%AE%B6%E3%80%81%E5%AE%B6%E5%85%B7%E8%88%87%E5%9C%92%E8%97%9D-24198-category.html"},{"id":"24642","name":"五金/照明工具","url":"/tw/%E4%BA%94%E9%87%91-%E7%85%A7%E6%98%8E%E5%B7%A5%E5%85%B7-24642-category.html"},{"id":"2092080281","name":"五金配件","url":"/tw/%E4%BA%94%E9%87%91%E9%85%8D%E4%BB%B6-2092080281-category.html"}],"view_count":3,"watch_count":6}