{"type":"product","schema_version":"1.0","item_id":"100486645798","canonical_url":"https://tw.bid.yahoo.com/item/100486645798","title":"安全閥 減壓閥 洩壓閥 壓力表 儲熱水桶 電熱水器安全閥  安全洩壓逆 止閥 史密斯 251688","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-04-25T13:59:02.627Z","current_price":450,"original_price":null,"stock_status":"in_stock","available_quantity":10,"sold_quantity":0,"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/72f9b698-422a-4b4d-b554-b4adcf08635c.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/82393459-0d6b-4dd0-aec8-46a2879c4df2.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/41d76e4e-dca5-49c8-8ca6-18345d6b260d.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/341f08ff-a660-4bbe-8fb2-2eccf76b3c8c.jpg","role":"detail","alt":"商品圖片 4","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/9dcf3c0a-0519-4463-9632-324d85824767.jpg","role":"detail","alt":"商品圖片 5","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/168c0d7c-8180-4ffb-83ef-b14c94adecdc.jpg","role":"detail","alt":"商品圖片 6","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減壓閥  >>安全逆止洩壓閥 >>> 監控桶內壓力表組\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安全閥洩壓壓力 7KG/cm2 +- , 即會滴水洩水 , 以保內桶安全\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除非大型熱水循環系統 , 才會有軟水處理來預防 ,\n\n所以安全洩壓閥要定期更換 ( 積垢 ) , 以保安全\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@減壓閥 4分/ 5KG壓力表組  ( 可選 )\n\n@4分安全洩壓閥 7KG/cm2  (  必要 )\n\n@監控壓力表組 10KG/cm2  ( 建議 )\n\n建議\n\n完整的家用熱水系統\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接口規格：4分 1/2\"  DN15   / 6分 3/4\"  DN20 都是水電規格通用的\n\n安全洩壓閥壓力 7KG/cm2 ,大約 7KG~ +- 左右開始洩壓\n\n安全閥是一種壓力保護閥，洩壓的功能。\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\"假設\"\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超過安全閥的洩壓範圍 ，就必需由安全閥滴水洩壓。\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答：\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\"假設\"\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安全閥產品材質：主體全銅+電鍍\n\n1.公稱壓力：0.7MPa   0.8Mpa\n\n2.工作介質：水\n\n3.工作溫度：0℃≤t≤100℃\n\n正常電熱水器的銘牌上都有標注額定壓力；\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\nP.S. \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"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳","萊爾富取貨付款","7-ELEVEN取貨付款"],"category_id":"2092080635","category_name":"其他用品","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":"2092080373","name":"廚房鍋具/餐具/用品","url":"/tw/%E5%BB%9A%E6%88%BF%E9%8D%8B%E5%85%B7-%E9%A4%90%E5%85%B7-%E7%94%A8%E5%93%81-2092080373-category.html"},{"id":"2092080635","name":"其他用品","url":"/tw/%E5%85%B6%E4%BB%96%E7%94%A8%E5%93%81-2092080635-category.html"}],"view_count":5,"watch_count":9}