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您當前的位置:首頁 » 供應產品 » 廠家批發 國標單向消聲止回閥 立式止回閥耐疲勞壽命長
廠家批發 國標單向消聲止回閥 立式止回閥耐疲勞壽命長
點擊圖片查看原圖
產品: 瀏覽次數:52廠家批發 國標單向消聲止回閥 立式止回閥耐疲勞壽命長 
品牌: 益多
種類: NRVR靜音式
連接方式: 法蘭
結構形式: 升降式
單價: 600.00元/件
最小起訂量: 1 件
供貨總量: 10000 件
發貨期限: 自買家付款之日起 5 天內發貨
有效期至: 2021-02-11 [已過期]
最后更新: 2018-04-06 13:37
詳細信息
  mso-fareast-font-family:宋體;mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font: minor-latin;mso-bidi-font-family:"Times New Roman";mso-bidi-theme-font:minor-bidi; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">消聲止回閥 mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">主要由閥體 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋體;mso-fareast-theme-font: minor-fareast;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">, mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">閥座 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋體;mso-fareast-theme-font: minor-fareast;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">, mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">閥瓣 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋體;mso-fareast-theme-font: minor-fareast;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">, mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">軸承及彈簧等主要零件組成 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋體;mso-fareast-theme-font: minor-fareast;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">, mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">內部水流通路采用流線型設計 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋體;mso-fareast-theme-font: minor-fareast;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">, mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">水頭損失極小 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋體;mso-fareast-theme-font: minor-fareast;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">, mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">與同類止回閥比較約為 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋體;mso-fareast-theme-font: minor-fareast;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">1/2-1/3, mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">同時于停泵時其閥瓣關閉行程很短 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋體;mso-fareast-theme-font: minor-fareast;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">, mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">且具有結構長度短特點 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋體;mso-fareast-theme-font: minor-fareast;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">, mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">可達快速關閉 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋體;mso-fareast-theme-font: minor-fareast;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">, mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">避免水錘產生且防止巨大水擊聲 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋體;mso-fareast-theme-font: minor-fareast;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">, mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">形成靜音效果 mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋體;mso-fareast-theme-font: minor-fareast;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">.
 
消聲止回閥的特點

1.廣泛用于給排水消防暖通工業等系統.

2.能有效地減小水錘壓力,密封性能好,關閉無噪聲.

3.它具有體積小重量輕流體阻力小耐疲勞壽命長等優點.

主要零部件材料

零件名稱

材料

閥體   鑄鐵、球墨鑄鐵、碳鋼

導流體   鑄鐵、球墨鑄鐵、碳鋼

閥座   青銅、鉻不銹鋼

閥瓣   青銅、鉻不銹鋼

   青銅、鉻不銹鋼

彈簧   不銹鋼

消聲止回閥的用途

1.閥瓣采用"錐形頭"外形設計,閥體采用"腰鼓"外形設計,改善介質流向,降低流阻系數.

2.閥門采用短結構形式,雖然水頭損失比升降式靜音止回閥稍大些,但體積小、價格便宜.

3.適用于給排水系統,高層建筑管網,可安裝在泵的出口處,結構稍加改動,可做為吸水底閥使用,不適用于污水管網.

4.骨架式橡膠密封圈直接鑲嵌在閥體上,避免了介質長時間對密封圈的直接沖刷,使用壽命明顯延長,堅固耐用.

5.結構緊湊,導向軸與導向架之間裝有非金屬潤滑套,閥瓣升降靈活,不會產生抱死現象.

6.閥瓣啟閉行程短,可以有效的防止水錘產生.

消聲止回閥的安裝與使用

1.本閥門通路兩端須堵塞,存在干燥通風的室內.如長期存放,經常檢查防銹蝕.

2.安裝前應將閥門清洗干凈,消除在運輸過程中造成的缺陷.

3.安裝時必須仔細核對閥門上的標志和銘牌是否符合使用要求.

4.本閥門安裝在水平管道上,閥蓋向上.

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