種類:NRVZ*式止回閥 | 材質:球墨鑄鐵 |
連接形式:法蘭 | 結構形式:升降式 |
公稱通徑:100(mm) | 適用介質:水 |
形態:隔膜式 | 壓力環境:1.6 |
標準:國標 | 流動方向:換向 |
驅動方式:水力控制 | 工作溫度:低溫 |
類型(通道位置):先導式 |



該閥由閥體、閥座、導流體、閥瓣、軸瓦及彈簧等零件組成。內部流道采用流線型設計,壓力損失小,閥瓣啟閉行程很短,停泵時可快速關閉,防止巨大的水錘聲,形成*效果。該閥主要用于給水、排水、消防、暖通系統,可安裝于水泵出口處,防止介質倒流及水錘對泵的損壞。 |
DRVZ型*止回閥主要由閥體、閥座、導流體、閥瓣、軸承及彈簧等主要零件組成,內部流道采用流線型設計,壓力損失極小。閥瓣啟閉行程很短,停泵進呆快速關閉,防止巨大的水錘聲,具有*關閉的特點。該閥主要用于排水、消防、暖通系統,可安裝與水泵出口處,以防止倒流及水錘對泵的損害。
【法蘭式*止回閥--技術參數】
型號 | DRVZ-10 | DRVZ-16 | DRVZ-25 |
公稱壓力 | PN1.0MPa | PN1.6MPa | PN2.5MPa |
公稱通徑 | DN50~350mm |
zui高工作壓力 | 1.0MPa | 1.6MPa | 2.5MPa |
密封試驗壓力 | 1.0MPa | 1.6MPa | 2.5MPa |
殼體試驗壓力 | 1.5MPa | 2.4MPa | 3.75MPa |
主要 零件 材料 | 閥體、導流體 | 灰鑄鋼 | 球墨鑄鋼 |
閥座、軸承、閥瓣、軸 | 鋁青銅或不銹鋼 |
彈簧 | 不銹鋼 |
主要外形尺寸
公稱通徑 | L |
50 | 120 |
65 | 150 |
80 | 180 |
100 | 240 |
125 | 300 |
150 | 350 |
200 | 450 |
250 | 500 |
300 | 550 |
350 | 572 |
400 | 600 |
450 | 650 |
500 | 700 |
主要零件材料
零件名稱 | 材料 |
閥體、導流體 | 鑄鐵、鑄鋼 |
閥座、軸瓦、閥瓣、軸 | 青銅或不銹鋼 |
彈簧 | 不銹鋼 |
產品廣泛用于石油、造紙、水電、食品、醫藥、輕紡、冶煉、污水處理、礦廠、化工、高層建設、給排水等工程,行銷國內外各大、中、小城市,深受廣大用戶的信賴和好評。熱枕歡迎新老客商前來洽談. :.
Fujian xingda valve manufacturing Co., LTD is located in the west coast of the strait economic zone of Chinese famous faucet hometown - fujian quanzhou verdant town, hebron with Taiwan sea, it is domestic production base of three plumbing valves, resource advantage is remarkable. Company specializing in the production of American standard, Germany standard, British standard, Japanese standard, gb series standard valve, leading products: gate valves, butterfly valves, ball valves, check valves, globe valves, flexible ware, hydraulic control valves, filters, rubber joint etc various specifications (DN40 - DN4000) valve, can also according to customer's requirements. Independent research and development of the water supply and drainage valve series of similar products in the country in a leading level, water double wedge gas storage butterfly valve, cut-off valve, cut-off valve double hemisphere water fills the domestic blank. As an iron and steel enterprise, dealing not many brilliant speech, we only follow is: HuanWei customers' needs, strives for the survival by the quality, seek development by innovation, to management for efficiency. With the first-class quality, the best price and high quality service, repay masses of users, realization and customer genuine "win-win". Warmly welcome domestic and international manufacturers to visit our company, technical communication, negotiation and cooperation.
Contact: ChenZhiJia
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Fujian xingda valve manufacturing Co., LTD