| 材質:球墨鑄鐵 | 連接形式:法蘭 |
| 結構形式:偏置板式 | 適用介質:空氣 |
| 壓力環境:低壓 | 工作溫度:真空 |
| 標準:國標 | 流動方向:雙向 |
| 驅動方式:手動 | 零部件及配件:閥體 |
| 用途:風量調節 | 類型（通道位置）:直通式 |
| 口徑:500 | 公稱通徑:500 |
| 安裝尺寸:500 |
通風蝶閥
·性能規范
用途及特點
通風蝶閥采用與閥體相同材料加工成密封圈，其適用溫度隨閥體選材而定，公稱壓力~<0．6MPa，一般適用于工業、冶金、環保等管道作通風調節介質流量之用。其主要特點為：
1、設計新穎、合理、結構*，重量輕，啟閉迅速。
2、操力矩小，操作方便，省力靈巧。
3、采用適應的材料以滿足低、中、高不同介質溫度其及腐蝕性介質等。
·采用標準
·設計標準： GB／T12238-1989 JBIT8692-1998
·法蘭連接尺寸： GB／T9115．1-2000
·結構長度： GB／T12221-1989
·壓力試驗： GB／T1 3927-92；JB／T9092-1999
·主要技術參數
公稱通徑 | DN（mm） | 50-2000 |
公稱壓力 | PN（MPa） | 0.05 | 0.25 | 0.6 |
試驗壓力Ps（MPa） | 強度試驗 | 0.075 | 0.375 | 0.9 |
密封試驗 | ≤1.5％泄漏量 |
適用介質 | 煤氣、含塵氣體、煙道氣等。 |
驅動形式 | 手動、蝸桿蝸輪傳動、氣傳動、電傳動。 |
·要零件的材質
零件名稱 | 材料 |
閥體 | 鑄鋼、不銹鋼、鉻鎳鉬鈦鋼、鉻鉬鈦鋼等特殊材料 |
蝶板 | 鑄鋼、不銹鋼、鉻鎳鉬鈦鋼、鉻鉬鈦鋼等特殊材料 |
密封圈 | 與閥體相同 |
閥桿 | 碳鋼、2Crl 3、不銹鋼、鉻鎳鉬鈦鋼 |
填料 | 氟塑料、柔性石墨 |
·蝶閥密封材料選用和適周溫度
材料品種 | 碳素鋼 | 低溫碳鋼 | 合金鋼 | 奧氏體不銹鋼 | 鉻鉬鋼 |
代號 | WCB | LCB | WC6或or WC9 | C5或or C12 | 鉻 Cr-18型、304、316 | 12CrMoV |
耐zui高溫度 | 425℃ | 345℃ | 595℃ | 650℃ | 600℃ | 560℃ |
耐zui低溫底 | -29℃ | -46℃ | -29℃ | -29℃ | -196℃ | -40℃ |
適用工作溫度 | ≤ 425℃ | ≤ 345℃ | ≤ 595℃ | ≤ 650℃ | ≤ 600℃ | ≤ 560℃ |
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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