用于純凈管路及工業(yè)、環(huán)保、水處理、高層建筑給排水管路,阻止介質(zhì)逆向流動(dòng)之用。該止回閥采用對(duì)夾式,蝶板為兩個(gè)半圓,且采用彈簧強(qiáng)制復(fù)位,密封面可為本體堆焊耐磨材料或襯橡膠。
seline; color: rgb(121, 121, 121); overflow: hidden;">德國(guó)漢克止回閥參數(shù)seline; background-color: transparent; overflow: hidden;">公稱通徑 | seline; background-color: transparent; overflow: hidden;">DN(mm) | seline; background-color: transparent; overflow: hidden;">50~1200 | |||
seline; background-color: transparent; overflow: hidden;">公稱壓力 | seline; background-color: transparent; overflow: hidden;">PN(MPa) | seline; background-color: transparent; overflow: hidden;">1.0 | seline; background-color: transparent; overflow: hidden;">1.6 | seline; background-color: transparent; overflow: hidden;">2.5 | seline; background-color: transparent; overflow: hidden;">4.0 |
seline; background-color: transparent; overflow: hidden;">試驗(yàn)壓力Ps(MPa) | seline; background-color: transparent; overflow: hidden;">強(qiáng)度試驗(yàn) | seline; background-color: transparent; overflow: hidden;">1.5 | seline; background-color: transparent; overflow: hidden;">2.4 | seline; background-color: transparent; overflow: hidden;">3.75 | seline; background-color: transparent; overflow: hidden;">6.0 |
seline; background-color: transparent; overflow: hidden;">密封試驗(yàn) | seline; background-color: transparent; overflow: hidden;">1.1 | seline; background-color: transparent; overflow: hidden;">1.76 | seline; background-color: transparent; overflow: hidden;">2.75 | seline; background-color: transparent; overflow: hidden;">4.4 | |
seline; background-color: transparent; overflow: hidden;">適用介質(zhì) | seline; background-color: transparent; overflow: hidden;">水、蒸汽、油品、污水、酸堿類 | ||||
seline; background-color: transparent; overflow: hidden;">適用溫度 |
seline; background-color: transparent; overflow: hidden;">橡膠密封面(X)-20℃~120℃ 合金鋼密封面(H)主體碳鋼-29℃~425℃ 不銹鋼主體用于酸類介質(zhì)-29℃~200℃ |
seline; background-color: transparent; overflow: hidden;">名稱 | seline; background-color: transparent; overflow: hidden;">材料 |
seline; background-color: transparent; overflow: hidden;">閥體 | seline; background-color: transparent; overflow: hidden;">鑄鐵、鑄鋼、不銹鋼、鉻鎳鉬鈦鋼 |
seline; background-color: transparent; overflow: hidden;">閥板 | seline; background-color: transparent; overflow: hidden;">鑄鐵、鑄鋼、不銹鋼、鉻鎳鉬鈦鋼 |
seline; background-color: transparent; overflow: hidden;">閥桿 | seline; background-color: transparent; overflow: hidden;">碳鋼、2Cr13、不銹鋼、鉻鎳鉬鈦鋼 |
seline; background-color: transparent; overflow: hidden;">密封圈 | seline; background-color: transparent; overflow: hidden;">橡膠、不銹鋼、合金鋼 |
seline; background-color: transparent; overflow: hidden;">彈簧 | seline; background-color: transparent; overflow: hidden;">60Si2Mn、3Cr13、17-7PH、INCONEL |