除應具備密封圈材料的一般要求外,密封圈還要注意下述條件:(1)富有彈性和回彈性;(2)適當的機械強度,包括擴張強度、伸長率和抗撕裂強度等。(3)性能穩定,在介質中不易溶脹,熱收縮效應(焦耳效應)小。(4)易加工成型,并能保持精密的尺寸。(5)不腐蝕接觸面,不污染介質等。滿足上述要求的最適合而且最常用的材料是橡膠,所以密封圈大多用橡膠材料制成。橡膠的品種很多,而且不斷有新的橡膠品種出現,設計與選用時,應了解各種橡膠的特性,合理選擇。
液壓泵是飛機液壓系統的核心部件.其功用是:向飛機液壓系統提供高壓油液,并在系統工作完畢后自動將供油量調節到零,以達到卸荷的目的。使用中,對于液壓泵除應保證其密封性良好外,主要要求它在規定的轉速和出口油壓下,其供油量應達到規定值,以適應系統收放工作的需要。 液壓泵長期使用,內部零件(柱塞、分油盤、調節套筒、導向桿等)磨損而使間隙增大,在正常情況下,磨損比較緩慢。如果油液不清潔,含有雜質、水分而使零件之間的油膜和受到破壞,或者油墨變質、溫度升高而是潤滑性變差,磨損就會加劇。
德國力士樂柱塞泵型號:
A10VSO140DFR1/31R-PPB12N00
A4VS0125DFR/30R-PPB13N00
A4VS0125DR/22R-VPB13N00
A4VG125HD1D2/32R-NTF02F691P
A4VG90HWD2/32R-PZF02F001S
A4VSG250EM3066/30R-PPB10N009N
軸向柱塞泵E-A4VSO250EO2/30R-VPB25N00-SO3
A4VG125HD1D2/32R-NTF02F691P
恒壓變量泵E-
A4VS0250HD1GB/30R-PZB13K35-S
A4VG125HD1D2/32R-NSF02F02F021P
A4VSG71EM3136/10R-PPB10K019N
柱塞泵A4VSO-250DR/30R-PPB13N00
A4VG125HDMT1-32R-NSF02F691S-S
A4VS0125DR/22R-VPB13N00
柱塞泵A4VSO180DR/30R-FPB13N00
A4VS0250DR/30RPPB13N00
A4VG40EP4DMT1/32L-NSC02F015PH
A4VS0250DR/22R-PPB13N00
A4VG125HDMT1-32R-NSF02F691S-S
A4VS071DR/31R-PPB
A4VSO180EO/30L-P2B13N00
A4VSO125DR/30R-PB13N00-SO127
A4VS0250E01/30R-PPBN00-S036
A4VSG250HD1D/30R-PPB10H029N
A4VSG71HD1D/10R-PPB10H029N
A4VG71DWDMT2/23L-NZF02F041D
A4VSO180DR/3XR-PPB13N00
A4VG125HDDT1/32L-PZF02F001D
A4VSO250E01/30R-PPB13N00-S0368
A4VSO40DR10RPPB13100N
A4VSG40EM2009/10R-PZB10N000N
A4VG250HD1D1/32LNZD10F001S
軸向柱塞泵E-A4VSO250EO2/30R-VPB25N00-SO3
A4VSG250EO2/30R-PPB10H020N
A4VSO40DR/10R-PPB13N00
A4VS0250DR/30RPPB13N00
A4VS0125DR/3XR
A4VSG250HW/30R-PPB10N000N
E-A4VSO125DR/30R-PPB13N00
A4VSG40EO1/10R-PPB10K019N
A4VS07IDR/3XR軸向柱塞泵
A4VSG71HD1D/10R-PPB10K33ON
A4VG90EP2DT1/32R-NAF02F001F
A4VSO180DRG/30R-PZB1+A4VSO40DRG/10R-PZB13
A4VS0250LR3G/30R-PZB13N00-S0
A4VSG250HS1/30L-PPB10N000N
A4VSO180EO/30L-P2B13N00
A4VS040DR-PPB13N00
A4VSG500HD1AT/30R-PPH10K249N
A4VSG40HS1/10R-PPB10N00
A4VSG71EM3120/10R-PPB10K019N
A4VS071DR/22R-PPB13NOO
A4VG125HDM1/32R-NSF02F691S-S
A4VSO180DR/3XR-PPB13N00
A4VS0250LR3G/30R-PZB13K35-S0
A4VSO40DR/10R-PPB13N00
A4VG250HD1D1/32R-NSD10F001D
A4VSO40EO/31L-P2BBN00
油泵A4VSO180DFR/30R-PPB13N00
A4VSO250E01/30R-PPB13N00-S0368
A4VG250HD1D1/32LNZD10F001S
A4VSG250HD1P/30R-PPB10G300N
A4VSG250EO1/30R-PPB10H029N
A4VSG250EO2/30R-PPB10H020N
A4VS0125DR30R-PPB13N00
軸向柱塞泵一般用于機床、冶金、鍛壓、礦山及起重機械的液壓傳動系統中,特別廣泛地應用于大功率的液壓傳動系統中。 REXROTH葉片泵一般主要用在礦業,煤炭,冶金,化工,環保等行業。一般意義的砂泵更多是指用在環保,挖沙,河道清淤等行業較多。這個系列砂泵主要以ES或者G系列的較多。
s19hms220
以上型號不全,可來電咨詢~~● 新聞:A4VG125HDMT1-32R-NSF02F691S-S的價格:http://www.jdzj.com/chanpin/ku1_2746232.html