當(dāng)前位置:中美貿(mào)易網(wǎng) > 技術(shù)中心 > 所有分類
密封副材質(zhì) | 適用溫度 | 介質(zhì)類型及適用溫度 | 突出特點(diǎn) | |||||||||||||||
淡水 | 海水 | 鹽類 | 強(qiáng)堿 | 弱堿 | 強(qiáng)酸 | 弱酸 | 天然氣 | 醇類 | 空氣 | 蒸汽 | 油類 | 食品 | ||||||
閥座 | 丁氰NBR | -40~93℃ | A | A | A | B | A | D | B | A | C | A | D | A | B | 耐油 | ||
三元乙丙EPDM | -50~135℃ | A | A | A | A | A | C | A | B | B | A | A | C | A | 耐老化 | |||
天然橡膠NR | -20~80℃ | A | A | A | A | A | C | B | D | C | A | D | D | D | 耐彈性 | |||
氯丁橡膠CR | -40~82℃ | A | A | B | A | A | D | C | D | C | A | D | D | B | 耐光、耐老化 | |||
硅橡膠SI | -65~210℃ | A | A | B | D | A | D | B | A | B | A | A | C | C | 耐高溫 | |||
氟橡膠FPM | -23~204℃ | A | A | A | C | A | C | A | A | C | A | A | A | A | 耐高溫、耐腐蝕 | |||
聚四氟乙烯PTFE | -200~160℃ | A | A | A | A | A | A | A | A | A | A | A | A | A | 耐強(qiáng)腐蝕、耐熱 | |||
蝶板 | 球鐵電鍍 | -30~350℃ | B | D | C | D | C | D | C | B | A | B | A | A | C | 耐熱 | ||
球鐵尼龍覆層 | -30~95℃ | A | A | A | B 1 | A | A | A | A | C | A | D | A | A | 抗蝕、耐磨,減摩 | |||
球鐵氯化聚醚覆層 | -30~130℃ | A | A | A | A | A | A | A | A | A | A | C | A | A | 耐強(qiáng)腐蝕、耐磨 | |||
球鐵四氟覆層 | -30~160℃ | A | A | A | A | A | A | A | A | A | A | A | A | A | 耐強(qiáng)腐蝕、耐熱 | |||
鋁青銅 | -273~232℃ | A | B 2 | C | D | C | D | B | A | A | A | A | A | C | 耐熱、耐腐蝕 | |||
不銹鋼 | -268~538℃ | A | B 2 | C | C | B | B | A | A | A | A | A | A | A | 耐高溫、耐腐蝕 | |||
碳鋼電鍍 | -29~425℃ | B | D | C | D | C | C | C | B | A | B | A | A | C | 耐高溫 | |||