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              YUKEN油研疊加式單向節(jié)流閥MSW-01/X/Y-30節(jié)流閥MSW-03調(diào)速閥

              發(fā)布日期:2019-5-5瀏覽次數(shù):921

              YUKEN油研疊加式單向節(jié)流閥MSW-01/X/Y-30節(jié)流閥MSW-03調(diào)速閥

              液壓系統(tǒng)溢流閥故障診斷與解決大總結(jié)

              溢流閥的故障表現(xiàn)形式衆(zhòng)多,一般可歸納爲(wèi)噪聲與振動(dòng)、壓力波動(dòng)、壓力調(diào)整無效以及油液洩露共四大類,接下來針對(duì)故障診斷與解決方法給大家做個(gè)總結(jié),下面一起來看看吧!

              (一)噪聲與振動(dòng)

              該問題在溢流閥中尤爲(wèi)常見,産生噪聲的因素衆(zhòng)多,包括壓力不均勻、空穴現(xiàn)象、液壓沖擊與機(jī)械噪聲四種,假如使用的是高壓大流量型溢流閥,振動(dòng)與噪聲問題將更劇烈。

              ①壓力不均勻

              當(dāng)溢流閥處于高壓下溢流,導(dǎo)閥的軸向開口相對(duì)較小,數(shù)據(jù)一般爲(wèi)0.003~0.006cm,這使得油液過流的面積也相對(duì)偏小,流速卻可達(dá)200m/s,從而容易引發(fā)壓力分布不均,導(dǎo)緻錐閥徑向力不平衡以産生振動(dòng)。此外,當(dāng)出現(xiàn)錐閥和錐閥座加工時(shí)出現(xiàn)橢圓問題、導(dǎo)閥口的污物黏著或調(diào)壓彈簧變形等也會(huì)引起錐閥的振動(dòng),因此通常認(rèn)爲(wèi)導(dǎo)閥是形成噪聲的震源所在。想要解決這一問題,就需要加大對(duì)錐閥工藝的監(jiān)管,保持元件的清潔度,定時(shí)檢查若發(fā)現(xiàn)問題應(yīng)立即解決。

              ②空穴現(xiàn)象

              空穴現(xiàn)象在溢流閥故障中較爲(wèi)常見,其表現(xiàn)爲(wèi)空氣被吸入油液中,溶解的部分空氣析出形成氣泡,這些氣泡在低壓區(qū)時(shí)體積較大,當(dāng)油液流入高壓區(qū)時(shí)氣泡因壓縮而變小甚至消失,若氣泡處于高壓區(qū),流向低壓區(qū)的過程中體積會(huì)突然增大,體積上的變化促成噪聲的産生。這一過程時(shí)間極短,會(huì)進(jìn)一步引起局部液壓沖擊而産生振動(dòng),如果溢流閥的導(dǎo)閥口和主閥口口徑較小,油液流動(dòng)和壓力數(shù)值變化偏大,這就容易出現(xiàn)空穴現(xiàn)象,進(jìn)而産生噪聲與振動(dòng)。解決這一問題的辦法即是適當(dāng)降低油壓以控制流速,或挑選閥口更大的溢流閥。

              ③液壓沖擊

              當(dāng)溢流閥處于卸荷狀態(tài)時(shí),會(huì)因液壓回路的壓力驟降而出現(xiàn)噪聲,其原因在于溢流閥的卸荷時(shí)間較短,油液流速急劇變化時(shí)會(huì)引起壓力突變,從而造成壓力波的沖擊。這種壓力波本身産生的噪聲很小,但隨著油液傳入系統(tǒng)內(nèi)容易與機(jī)械部件引發(fā)共振,從而加大了振動(dòng)和噪聲的增強(qiáng)。解決這一問題的辦法在于卸荷過程中,盡量降低油壓以控制流速,可通過聽覺判斷系統(tǒng)內(nèi)的噪聲情況予以調(diào)整。

              ④機(jī)械噪聲

              這一現(xiàn)象一般是因裝配或維護(hù)不當(dāng)所導(dǎo)緻,主要表現(xiàn)爲(wèi):

              I. 滑閥和閥孔因配合過緊或過松産生噪聲,過緊時(shí)滑閥會(huì)移動(dòng)困難,引起振動(dòng)與噪聲,過松時(shí)會(huì)因間隙將過大加劇洩露,從而引起振動(dòng)和噪聲。其解決的途徑在于合理調(diào)節(jié)滑閥與閥控的間距;

              II.彈簧剛度不夠,易産生彎曲變形,液動(dòng)力會(huì)引起彈簧自振,當(dāng)彈簧振動(dòng)頻率與系統(tǒng)振動(dòng)頻率相同時(shí),則會(huì)出現(xiàn)共振現(xiàn)象。其解決的途徑在于及時(shí)更換彈簧;

              III.壓力調(diào)節(jié)后,一定要將松動(dòng)的螺母擰緊,避免進(jìn)一步出現(xiàn)振動(dòng)或噪聲;

              IV.當(dāng)油口油路中有空氣存在時(shí),也容易産生噪聲,其解決途徑在于先排除油口和油路中的空氣,進(jìn)而加大密封;

              V.當(dāng)溢流閥與其他元件産生共振時(shí),會(huì)造成振動(dòng)與噪聲的加劇。其解決途徑在于及時(shí)檢查各元件的安裝與管件連接處有無松動(dòng),一旦存在問題便立即處理。

              (二)壓力波動(dòng)

              該故障在溢流閥中容易出現(xiàn),其既可能是自身問題,也可能是油泵與系統(tǒng)的連帶影響,自身引起波動(dòng)的主要原因如下:

              ①控制閥芯的彈簧剛度不夠,或彈簧彎曲變形,無法維持穩(wěn)定的工作壓力,其解決辦法爲(wèi)更換彈簧;

              ②油液因污染嚴(yán)重,阻尼孔被堵塞,導(dǎo)緻滑閥移動(dòng)困難,其解決辦法爲(wèi)經(jīng)常檢查油液的受污染度,必要時(shí)考慮換油和疏通阻尼孔;

              ③錐閥和鋼球與閥座間的配合不佳,造成原因可能是由于污物卡住或磨損,其解決辦法爲(wèi)清除污物并修磨閥座,若磨損嚴(yán)重則更換錐閥(或鋼球),若壓力波動(dòng)較大,采取各種辦法均無法解決問題時(shí),可考慮對(duì)錐閥或鋼球輕輕敲打,隨之壓力波動(dòng)也可能相應(yīng)降低;

              ④滑閥動(dòng)作不靈活,造成原因可能是滑閥表面被拉傷、閥孔碰傷、滑閥被污物卡住或滑閥與孔配合過緊等,解決辦法爲(wèi)對(duì)受損處予以清洗和修磨,若嚴(yán)重至無法修磨,則可考慮更換滑閥。

              (三)壓力調(diào)整無效

              這種情況一般是指無壓力、壓力調(diào)不上去或壓力提升過快,通常調(diào)整液壓系統(tǒng)壓力的正確方法是首先將溢流閥全打開(即彈簧無壓縮),啓動(dòng)油泵后慢慢旋緊調(diào)壓按鈕(彈簧壓縮量逐漸增大),壓力隨之穩(wěn)步上升,若油泵在啓動(dòng)后壓力迅速上升且無法停止,則可判斷是溢流閥尚未打開或出現(xiàn)故障。調(diào)壓無效的主要原因如下:

              ①?gòu)椈蓳p壞、斷裂或漏裝,其解決辦法爲(wèi)重裝彈簧或予以更換;

              ②滑閥配合過緊或被污物卡住造成調(diào)整壓力上升,其解決辦法爲(wèi)檢查。清洗并研修,使滑閥可在孔內(nèi)靈活移動(dòng),若油液污染較爲(wèi)嚴(yán)重,則建議考慮及時(shí)更換油液;

              ③錐閥或鋼球漏裝,使滑閥失去控制,導(dǎo)緻調(diào)壓無效,其解決辦法爲(wèi)直接補(bǔ)裝錐閥或鋼球;

              ④阻尼孔堵塞,導(dǎo)緻滑閥失去控制作用,其解決辦法爲(wèi)清洗阻尼孔,若油液也存在嚴(yán)重?zé)o法,則考慮更換油液;

              ⑤進(jìn)油口和出油口裝反,其解決辦法爲(wèi)根據(jù)油液流向及時(shí)糾正。

              (四)油液洩露

              這一故障可分爲(wèi)內(nèi)洩露與外洩露兩類,外洩露一般會(huì)對(duì)環(huán)境造成污染,故易被發(fā)現(xiàn),但內(nèi)洩露由于情況負(fù)責(zé)則不容易被發(fā)現(xiàn),存在該問題時(shí)往往會(huì)引起噪聲增大和明顯的壓力波動(dòng)問題。

              常見的外洩露部位與具體原因如下:

              ①管接頭未擰緊或接觸不良,其解決辦法爲(wèi)檢查管接頭并擰緊;

              ②相關(guān)結(jié)合面上的紙墊被沖破,或銅墊完全失效,其解決辦法爲(wèi)及時(shí)更換紙墊或銅墊,并確認(rèn)系統(tǒng)連接處的密封性是否良好。

              常見的內(nèi)洩露部位與具體原因如下:

              ①錐閥或鋼球與閥座接觸不良,造成原因可能是因爲(wèi)磨損或被污物卡住,其解決辦法爲(wèi)修磨閥座,并考慮更換鋼球;

              ②滑閥與閥體配合間隙過大,其解決辦法爲(wèi)對(duì)間隙予以調(diào)整或考慮更換滑閥。

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              PV2R12-10-33-L-REAA-41,PV2R12-10-41-F-REAA-41,PV2R12-10-41-L-REAA-41,PV2R12-10-47-F-REAA-41
              PV2R12-10-47-L-REAA-41,PV2R12-10-53-F-REAA-41,PV2R12-10-53-L-REAA-41,PV2R12-10-59-F-REAA-41
              PV2R12-10-59-L-REAA-41,PV2R12-10-65-F-REAA-41,PV2R12-10-65-L-REAA-41,PV2R12-12-26-F-REAA-41
              PV2R12-12-26-L-REAA-41,PV2R12-12-33-F-REAA-41,PV2R12-12-33-L-REAA-41,PV2R12-12-41-F-REAA-41
              PV2R12-12-41-L-REAA-41,PV2R12-12-47-F-REAA-41,PV2R12-12-47-L-REAA-41,PV2R12-12-53-F-REAA-41
              PV2R12-12-53-L-REAA-41,PV2R12-12-59-L-REAA-41,PV2R12-12-65-L-REAA-41,PV2R12-14-26-L-REAA-41
              PV2R12-14-33-L-REAA-41,PV2R12-14-41-L-REAA-41,PV2R12-14-47-L-REAA-41,PV2R12-14-53-L-REAA-41
              PV2R12-14-59-L-REAA-41,PV2R12-14-65-L-REAA-41,PV2R12-17-26-L-REAA-41,PV2R12-17-33-L-REAA-41
              PV2R12-17-41-L-REAA-41,PV2R12-17-47-L-REAA-41,PV2R12-17-53-L-REAA-41,PV2R12-17-59-L-REAA-41
              PV2R12-17-65-L-REAA-41,PV2R12-19-26-L-REAA-41,PV2R12-19-33-L-REAA-41,PV2R12-19-41-L-REAA-41
              PV2R12-19-47-L-REAA-41,PV2R12-19-53-L-REAA-41,PV2R12-25-47-F-REAA-41,PV2R12-25-53-F-REAA-41
              PV2R12-25-59-F-REAA-41,PV2R12-25-65-F-REAA-41,PV2R12-31-26-F-REAA-41,PV2R12-31-33-F-REAA-41
              PV2R12-31-41-F-REAA-41,PV2R12-31-47-F-REAA-41,PV2R12-31-53-F-REAA-41,PV2R12-31-59-F-REAA-41
              PV2R12-31-65-F-REAA-41,PV2R1-25-F-RAA-41,PV2R12-6-26-F-REAA-41,PV2R12-6-26-L-REAA-41,PV2R12-6-33-F-REAA-41
              PV2R12-6-33-L-REAA-41,PV2R12-6-41-F-REAA-41,PV2R12-6-41-L-REAA-41,PV2R12-6-47-F-REAA-41,PV2R12-6-47-L-REAA-41
              PV2R12-6-53-F-REAA-41,PV2R12-6-53-L-REAA-41,PV2R12-6-59-F-REAA-41,PV2R12-6-59-L-REAA-41,PV2R12-6-65-F-REAA-41
              PV2R12-6-65-L-REAA-41,PV2R12-8-26-F-REAA-41,PV2R12-8-26-L-REAA-41,PV2R12-8-33-F-REAA-41,PV2R12-8-33-L-REAA-41
              PV2R12-8-41-F-REAA-41,PV2R12-8-41-L-REAA-41,PV2R12-8-47-F-REAA-41,PV2R12-8-47-L-REAA-41,PV2R12-8-53-F-REAA-41
              PV2R12-8-53-L-REAA-41,PV2R12-8-59-F-REAA-41,PV2R12-8-59-L-REAA-41,PV2R12-8-65-F-REAA-41,PV2R12-8-65-L-REAA-41
              PV2R1-31-F-RAA41,PV2R1-6-F-RAA-41,PV2R2-26-F-RAA-41,PV2R2-26-F-RAB-41,PV2R2-26-F-RAL-41,PV2R2-26-F-RAR-41
              PV2R2-26-L-RAA-41,PV2R2-26-L-RAB-41,PV2R2-26-L-RAL-41,PV2R2-26-L-RAR-41,PV2R2-33-F-RAA-41,PV2R2-33-F-RAB-41
              PV2R2-33-F-RAL-41,PV2R2-33-F-RAR-41,PV2R2-33-L-RAA-41,PV2R2-33-L-RAB-41,PV2R2-33-L-RAL-41,PV2R2-33-L-RAR-41
              PV2R23-75-153-F-RAAA-41,PV2R23-75-200-F-RAAA-41,PV2R2-41-F-RAA-41,PV2R2-41-F-RAB-41,PV2R2-41-F-RAL-41
              PV2R2-41-F-RAR-41,PV2R2-41-L-RAA-41,PV2R2-41-L-RAB-41,PV2R2-41-L-RAL-41,PV2R2-41-L-RAR-41,PV2R24-26-136-F-RAAA-41
              PV2R24-26-153-F-RAAA-41,PV2R24-26-184-F-RAAA-41,PV2R24-26-200-F-RAAA-41,PV2R24-26-237-F-RAAA-41
              PV2R24-33-136-F-RAAA-41,PV2R24-33-153-F-RAAA-41,PV2R24-33-184-F-RAAA-41,PV2R24-33-200-F-RAAA-41
              PV2R24-33-237-F-RAAA-41,PV2R24-41-136-F-RAAA-41,PV2R24-41-153-F-RAAA-41,PV2R24-41-153-F-REAA-40
              PV2R24-41-184-F-RAAA-41,PV2R24-41-184-F-REAA-40,PV2R24-41-200-F-RAAA-41,PV2R24-41-200-F-REAA-40
              PV2R24-41-237-F-RAAA-41,PV2R24-41-237-F-REAA-40,PV2R24-47-136-F-RAAA-41,PV2R24-47-136-F-REAA-40
              PV2R24-47-153-F-RAAA-41,PV2R24-47-153-F-REAA-40,PV2R24-47-184-F-RAAA-41,PV2R24-47-184-F-REAA-40
              PV2R24-47-200-F-RAAA-41,PV2R24-47-200-F-REAA-40,PV2R24-47-237-F-RAAA-41,PV2R24-47-237-F-REAA-40
              PV2R24-53-136-F-RAAA-41,PV2R24-53-136-F-REAA-40,PV2R24-53-153-F-RAAA-41,PV2R24-53-153-F-REAA-40
              PV2R24-53-184-F-RAAA-41,PV2R24-53-184-F-REAA-40,PV2R24-53-200-F-RAAA-41,PV2R24-53-200-F-REAA-40
              PV2R24-53-237-F-RAAA-41,PV2R24-53-237-F-REAA-40,PV2R24-59-136-F-RAAA-41,PV2R24-59-136-F-REAA-40
              PV2R24-59-153-F-RAAA-41,PV2R24-59-153-F-REAA-40,PV2R24-59-184-F-RAAA-41,PV2R24-59-184-F-REAA-40
              PV2R24-59-200-F-RAAA-41,PV2R24-59-200-F-REAA-40,PV2R24-59-237-F-RAAA-41,PV2R24-59-237-F-REAA-40
              PV2R24-65-136-F-RAAA-41,PV2R24-65-136-F-REAA-40,PV2R24-65-153-F-RAAA-41,PV2R24-65-153-F-REAA-40
              PV2R24-65-184-F-RAAA-41,PV2R24-65-184-F-REAA-40,PV2R24-65-200-F-RAAA-41,PV2R24-65-200-F-REAA-40
              PV2R24-65-237-F-REAA-40,PV2R24-75-136-F-RAAA-41,PV2R2-47-F-RAA-41,PV2R2-47-F-RAB-41,PV2R2-47-F-RAL-41
              PV2R2-47-F-RAR-41,PV2R2-47-L-RAA-41,PV2R2-47-L-RAB-41,PV2R2-47-L-RAL-41,PV2R2-47-L-RAR-41,PV2R24A-41-FRAAA-10
              PV2R2-53-F-RAA-41,PV2R2-53-F-RAB-41,PV2R2-53-F-RAL-41,PV2R2-53-F-RAR-41,PV2R2-53-L-RAA-41,PV2R2-53-L-RAB-41
              PV2R2-53-L-RAL-41,PV2R2-53-L-RAR-41,PV2R2-59-F-RAA-41,PV2R2-59-F-RAB-41,PV2R2-65-F-RAA-41,PV2R3-136-F-RAA-31
              PV2R34A-76-FRAAA-10,PV2R3-66-L-RAA-31,PV2R3-66-L-RAB-31,PV2R3-66-L-RAL-31,PV2R3-66-L-RAR-31,PV2R3-76-F-RAA-31
              PV2R3-76-F-RAB-31,PV2R3-76-F-RAL-31,PV2R3-76-F-RAR-31,PV2R3-76-L-RAA-31,PV2R3-76-L-RAB-31,PV2R3-76-L-RAL-31
              PV2R3-76-L-RAR-31,PV2R3-85-F-RAA-31,PV2R3-85-F-RAB-31,PV2R3-85-F-RAL-31,PV2R3-85-F-RAR-31,PV2R3-85-L-RAA-31
              PV2R3-85-L-RAB-31,PV2R3-85-L-RAL-31,PV2R3-85-L-RAR-31,PV2R3-94-F-RAA-31,PV2R3-94-F-RAB-31,PV2R3-94-F-RAL-31
              PV2R3-94-F-RAR-31,PV2R3-94-L-RAA-31,PV2R3-94-L-RAB-31,PV2R3-94-L-RAL-31,PV2R3-94-L-RAR-31,PV2R4-136-F-RAA-30
              PV2R4-153F-RAA-30,PV2R4-184F-RAA-30,PV2R4-200F-RAA-30,PV2R4-237F-RAA-30,PV2R4A-138-FRAA-10
              PV2R4A-162-FRAA-10,PV2R4A-193-FRAA-10,PVR50-F-13-R
              電液換向閥
              DSHG-06-3C2-A220-50 DSHG-04-2B*-D24-N-50 DSHG-04-3C*-D24-N-50 DSHG-06-2B*-D24-N-50 DSHG-06-3C*-D24-N-50
              單向閥:
              DT-01-22
              疊加式溢流閥 :
              MBA-01-C-30,MBA-01-H-30,MBA-03-B-20,MBA-03-B-30,MBA-03-H-20,MBA-03-H-30
              MBB-01-C-30,MBB-01-H-30,MBB-03-B-20,MBB-03-B-30,MBB-03-H-20,MBB-03-H-30
              MBP-01-C-30,MBP-01-H-30,MBP-03-B-20,MBP-03-B-30,MBP-03-H-20,MBP-03-H-30
              MBW-03-B-20,MBW-03-B-30,MBW-03-H-20,MBW-03-H-30
              疊加式單向節(jié)流閥:
              MSA-01-X-30 MSA-01-X-50 MSA-01-Y-30 MSA-01-Y-50 MSA-03-X-30 MSA-03-X-40 MSA-03-Y-30 MSA-03-Y-40
              MSB-01-X-30 MSB-01-X-50 MSB-01-Y-30 MSB-01-Y-50 MSB-03-X-30 MSB-03-X-40 MSB-03-Y-30 MSB-03-Y-40
              MSW-01-X-30 MSW-01-X-50 MSW-01-XY-30 MSW-01-XY-50 MSW-01-Y-30 MSW-01-Y-50 MSW-01-YX-30 MSW-01-YX-50
              MSW-03-X-30 MSW-03-X-40 MSW-03-Y-30 MSW-03-Y-40  
              溢流閥:
              BF-10-*-32
              BG-03 BG-03-*-32 BG-03-32 BG-03-V-32 BG-06 BG-06-*-32 BG-06-32 BG-10-*-32 BG-10-32
              BST-03-2B*-AC/DC-46 BST-03-3c*-AC/DC-46
              Bt-03-*-22 BT-03-32 Bt-06-*-22 BT-06-32 Bt-10-*-22
              DG-01-22 DG-02-*-22 DT-01-22 DT-02-*-22
              S-BG-03-*-l-40 S-BG-06-*-l-40 
              液壓?jiǎn)蜗蜷y:
              CRG-03,CRG-06,CRG-10
              液壓管式溢流閥:
              BT-04;BT-06,BT-03-32,BT-10-32,BT-04
              先導(dǎo)式溢流閥:
              RV-10,RV-03 ,RV-06T,RV-04T,
              電磁溢流閥:
              BSG-03-2B2-A110-N1-L-46 BSG-03-2B2-A110-N1-R-46 BSG-03-2B2-A220-N1-L-46 BSG-03-2B2-A220-N1-R-46
              BSG-03-2B2B-A110-N1-L-46 BSG-03-2B2B-A110-N1-R-46 BSG-03-2B2B-A220-N1-L-46 BSG-03-2B2B-A220-N1-R-46
              BSG-03-2B2B-D24-N1-L-46 BSG-03-2B2B-D24-N1-R-46 BSG-03-2B2-D24-N1-L-46 BSG-03-2B2-D24-N1-R-46
              BSG-03-2B3A-A110-N1-L-46 BSG-03-2B3A-A110-N1-R-46 BSG-03-2B3A-A220-N1-L-46 BSG-03-2B3A-A220-N1-R-46
              BSG-03-2B3A-D24-N1-L-46 BSG-03-2B3A-D24-N1-R-46 BSG-03-2B3B-A110-N1-L-46 BSG-03-2B3B-A110-N1-R-46
              BSG-03-2B3B-A220-N1-L-46 BSG-03-2B3B-A220-N1-R-46 BSG-03-2B3B-D24-N1-L-46 BSG-03-2B3B-D24-N1-R-46
              BSG-03-3C2-A110-N1-L-46 BSG-03-3C2-A110-N1-R-46 BSG-03-3C2-A220-N1-L-46 BSG-03-3C2-A220-N1-R-46
              BSG-03-3C2-D24-N1-L-46 BSG-03-3C2-D24-N1-R-46 BSG-03-3C3-A110-N1-L-46 BSG-03-3C3-A110-N1-R-46
              BSG-03-3C3-A220-N1-L-46 BSG-03-3C3-A220-N1-R-46 BSG-03-3C3-D24-N1-L-46 BSG-03-3C3-D24-N1-R-46
              BSG-06-2B2-A110-N1-L-46 BSG-06-2B2-A110-N1-R-46 BSG-06-2B2-A220-N1-L-46 BSG-06-2B2-A220-N1-R-46
              BSG-06-2B2B-A110-N1-L-46 BSG-06-2B2B-A110-N1-R-46 BSG-06-2B2B-A220-N1-L-46 BSG-06-2B2B-A220-N1-R-46
              BSG-06-2B2B-D24-N1-L-46 BSG-06-2B2B-D24-N1-R-46 BSG-06-2B2-D24-N1-L-46 BSG-06-2B2-D24-N1-R-46
              BSG-06-2B3A-A110-N1-L-46 BSG-06-2B3A-A110-N1-R-46 BSG-06-2B3A-A220-N1-L-46 BSG-06-2B3A-A220-N1-R-46
              BSG-06-2B3A-D24-N1-L-46 BSG-06-2B3A-D24-N1-R-46 BSG-06-2B3B-A110-N1-L-46 BSG-06-2B3B-A110-N1-R-46
              BSG-06-2B3B-A220-N1-L-46 BSG-06-2B3B-A220-N1-R-46 BSG-06-2B3B-D24-N1-L-46 BSG-06-2B3B-D24-N1-R-46
              BSG-06-3C2-A110-N1-L-46 BSG-06-3C2-A110-N1-R-46 BSG-06-3C2-A220-N1-L-46 BSG-06-3C2-A220-N1-R-46
              BSG-06-3C2-D24-N1-L-46 BSG-06-3C2-D24-N1-R-46 BSG-06-3C3-A110-N1-L-46 BSG-06-3C3-A110-N1-R-46
              BSG-06-3C3-A220-N1-L-46 BSG-06-3C3-A220-N1-R-46 BSG-06-3C3-D24-N1-L-46 BSG-06-3C3-D24-N1-R-46
              BSG-10-2B2-A110-N1-L-46 BSG-10-2B2-A110-N1-R-46 BSG-10-2B2-A220-N1-L-46 BSG-10-2B2B-A110-N1-L-46
              BSG-10-2B2B-A110-N1-R- BSG-10-2B2B-A220-N1-L-46 BSG-10-2B2B-D24-N1-L- BSG-10-2B2-D24-N1-L-46
              BSG-10-2B3A-A110-N1-L-46 BSG-10-2B3A-A110-N1-R-46 BSG-10-2B3A-A220-N1-L-46 BSG-10-2B3A-D24-N1-L-46
              BSG-10-2B3B-A110-N1-L-46 BSG-10-2B3B-A110-N1-R-46 BSG-10-2B3B-A220-N1-L-46 BSG-10-2B3B-D24-N1-L-46
              BSG-10-3C2-A110-N1-L-46 BSG-10-3C2-A220-N1-L-46 BSG-10-3C2-D24-N1-L-46 BSG-10-3C3-A110-N1-L-46
              BSG-10-3C3-A220-N1-L-46 BSG-10-3C3-D24-N1-L-46 
              BST-03-2B2-D24-N1-L-46       BST-03-2B2-A110-N1-L-46       BST-06-2B3B-A220-N1-L-46
              BST-03-2B2-A220-N1-L-46      BST-03-2B2-A240-N1-L-46       BST-03-2B3B-D24-N1-L-46 
              BST-03-2B3B-A110-N1-L-46     BST-03-2B3B-A220-N1-L-46      BST-03-2B3B-A240-N1-L-46
              BST-06-2B2-D24-N1-L-46       BST-06-2B2-A110-N1-L-46       BST-06-2B2-A220-N1-L-46 
              BST-06-2B2-A240-N1-L-46      BST-06-2B3B-D24-N1-L-46       BST-06-2B3B-A110-N1-L-46
              SBSG-03-3C2-A110-N1-L-51 SBSG-03-3C2-A110-N1-R-51 SBSG-03-3C3-A110-N1-L-51 SBSG-03-3C3-A110-N1-R-51
              SBSG-03-2B2-A110-N1-L-51 SBSG-03-2B2-A110-N1-R-51 SBSG-03-2B3A-A110-N1-L-51 SBSG-03-2B3A-A110-N1-R-51
              SBSG-03-2B2B-A110-N1-L-51 SBSG-03-2B2B-A110-N1-R-51 SBSG-03-3C2-A220-N1-L-51 SBSG-03-3C2-A220-N1-R-51
              SBSG-03-3C3-A220-N1-L-51 SBSG-03-3C3-A220-N1-R-51 SBSG-03-2B2-A220-N1-L-51 SBSG-03-2B2-A220-N1-R-51
              SBSG-03-2B3A-A220-N1-L-51 SBSG-03-2B3A-A220-N1-R-51 SBSG-03-2B2B-A220-N1-L-51 SBSG-03-2B2B-A220-N1-R-51
              SBSG-03-3C2-D24-N1-L-51 SBSG-03-3C2-D24-N1-R-51 SBSG-03-3C3-D24-N1-L-51 SBSG-03-3C3-D24-N1-R-51
              SBSG-03-2B2-D24-N1-L-51 SBSG-03-2B2-D24-N1-R-51 SBSG-03-2B3A-D24-N1-L-51 SBSG-03-2B3A-D24-N1-R-51
              SBSG-03-2B2B-D24-N1-L-51 SBSG-03-2B2B-D24-N1-R-51
              比例閥:
              EBG-03 EBG-06
              EDG-01V-B-PNT15-51 EDG-01V-H-1-PIT15-5103
              EFBG-03-125-C-20T EFBG-03-125-C-60T EFBG-03-160-C-20T EFBG-06-250-H-20T

              18136060792
              日韩人妻精品_精品国产一区二区三区日日嗨_国产精品福利在线_国产老妇伦国产熟女老妇久_来一水AV@lysav
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                      1. 颍上县| 新安县| 涟水县| 濮阳市| 巴里| 黑河市| 田阳县| 奎屯市| 米易县| 张家川| 右玉县| 油尖旺区| 买车| 普安县| 海盐县| 象州县| 达日县| 沿河| 永定县| 夹江县| 普安县| 皮山县| 高台县| 宜良县| 通海县| 齐河县| 涞源县| 贵州省| 万全县| 遂平县| 福贡县| 阳谷县| 手游| 右玉县| 新疆| 刚察县| 军事| 兰西县| 阳朔县| 乳山市| 贵定县|