"2622200.3052.024.00 2" "D1VW004CNJYW91" "D41VW001C1NTW3A91 3" "926835Q" "EF81-HE0"
Parker(派克)密封件主要有以下分類:
按材質(zhì)分類:
橡膠密封件:
丁腈橡膠(NBR)密封件:具有良好的耐磨性、耐油性和抗溶劑性,適用于一般的液壓系統(tǒng)、氣動(dòng)系統(tǒng)以及一些對(duì)耐油性能要求較高的場(chǎng)合。工作溫度范圍通常在 - 20℃至 100℃左右,邵氏硬度 70 左右。
氟橡膠(FKM)密封件:耐高溫、耐腐蝕、耐油、耐磨、耐高壓、抗老化性能優(yōu)異,可在較為惡劣的化學(xué)環(huán)境和高溫環(huán)境下使用,工作溫度范圍為 - 20℃至 280℃。
三元乙丙橡膠(EPDM)密封件:耐臭氧、耐輻射、耐酸堿性能好,常用于一些對(duì)耐候性和耐化學(xué)腐蝕性要求較高的場(chǎng)合,如戶外設(shè)備、化工管道等,工作溫度范圍在 - 50℃至 180℃。
硅橡膠密封件:具有良好的耐高溫性和耐寒性,可在 - 40℃至 200℃的溫度范圍內(nèi)工作,還具有環(huán)保無(wú)毒、密封性能好、材質(zhì)柔軟彈性好、防水好、耐臭氧等特點(diǎn)。
聚氨酯密封件:硬度較高,耐磨性非常好,常用于工程機(jī)械、礦山機(jī)械等對(duì)耐磨性要求極高的設(shè)備中。其工作溫度范圍一般在 - 35℃至 80℃。
PTFE(聚四氟乙烯)密封件:具有極低的摩擦系數(shù)、優(yōu)異的耐腐蝕性和耐高溫性,可在高溫、強(qiáng)腐蝕等極端環(huán)境下使用。Parker 的 PTFE 密封件產(chǎn)品范圍包括 Flexiseal、Enerseal、液壓動(dòng)力密封件、Flexilip 和 Flexicase 旋轉(zhuǎn)密封件等。
金屬密封件:Parker 提供多種金屬密封件,包括 C 形環(huán)、E 形環(huán)、O 形環(huán)、U 形環(huán)、金屬絲環(huán)以及彈簧賦能環(huán)等。金屬密封件通常具有較高的強(qiáng)度和耐壓能力,適用于高壓、高溫、高真空等苛刻的工作環(huán)境。
按結(jié)構(gòu)形式分類:
O 型圈:這是最常見的一種密封件,截面為圓形,安裝簡(jiǎn)單,密封性能良好,可用于靜態(tài)密封和動(dòng)態(tài)密封。Parker 的 O 型圈銷量在全球處于領(lǐng)先地位,其產(chǎn)品以先進(jìn)的加工工藝和橡膠配方而聞名。
唇形密封件:例如活塞桿密封件、活塞密封件等,通常有一個(gè)或多個(gè)唇口,通過唇口與軸或孔的緊密接觸來(lái)實(shí)現(xiàn)密封。Parker 的活塞桿密封產(chǎn)品如 B3、BS、B7 等系列,活塞密封產(chǎn)品如 B7、C2、KR 等系列,在工程機(jī)械、汽車工業(yè)等領(lǐng)域廣泛應(yīng)用。
旋轉(zhuǎn)軸密封件:用于旋轉(zhuǎn)軸的密封,如油封、軸承隔離器和高速軸密封件等,能夠防止?jié)櫥托孤┖屯饨珉s質(zhì)進(jìn)入。
復(fù)合密封件:由兩種或多種不同材料組合而成,以滿足復(fù)雜工況下的密封要求。例如,在一些既需要耐油又需要耐高溫的場(chǎng)合,可能會(huì)使用橡膠與 PTFE 等材料復(fù)合的密封件。
膜片:具有良好的彈性和柔韌性,可用于控制流體的通斷或調(diào)節(jié)流量,常用于氣動(dòng)和液壓系統(tǒng)中的控制閥等設(shè)備。
方向閥密封件:專門為方向閥設(shè)計(jì)的密封件,確保方向閥在工作過程中能夠準(zhǔn)確地控制流體的流向,并且具有良好的密封性能,防止泄漏。
異型密封件:根據(jù)特定的設(shè)備或部件形狀設(shè)計(jì)的非標(biāo)準(zhǔn)形狀的密封件,如方形、矩形、橢圓形等,以滿足特殊的安裝和密封要求。
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