HP油泵VPVC-F20-A3-02A F12 F15 F30 F40 A1 A2 A4 -031A葉片泵
升降機械液壓系統(tǒng)工作原理與技術(shù)要求
升降機械液壓系統(tǒng)的工作原理與技術(shù)要求。
國內(nèi)高空作業(yè)平臺的結(jié)構(gòu)形式主要有剪叉式、套筒油缸式、桅柱式、臂架式和桁架式,其中剪叉式、套筒油缸式、桅柱式和桁架式均是垂直升降式結(jié)構(gòu)。
現(xiàn)以在建筑行業(yè)中常用的GKT曲臂式高空液壓作業(yè)平臺(以下簡稱平臺)爲例,它是一種比較典型的高空作業(yè)設(shè)備。平臺的作用是將人員和設(shè)備從地面送達近幾十米高的建筑外牆上或高層建筑上,從事張貼、檢修、安裝等工作,因此該設(shè)備在工作時對保證人員的安全提出很高的要求。
液壓平臺由底座、轉(zhuǎn)臺、臂架以及工作臺四個部分組成。其工作原理:(1)通過轉(zhuǎn)臺上的液壓馬達驅(qū)動齒輪旋轉(zhuǎn),并齧合固定在底座上的大齒輪産生回轉(zhuǎn)運動來調(diào)整工作臺的力位。通過連接在轉(zhuǎn)臺臂架內(nèi)的伸縮油缸的運動,推動多級臂架內(nèi)的機械聯(lián)動機構(gòu)的伸縮來調(diào)整工作臺與底座的距離。(3)通過變幅油缸的運動,使臂架與轉(zhuǎn)臺的回轉(zhuǎn)平面的俯仰角發(fā)生變化。(4)通過這3種動作的組合和協(xié)調(diào)來完成工作臺的空間定位。(5)通過下調(diào)平油缸和上調(diào)平油缸的協(xié)調(diào)運動。使工作臺在臂架俯仰時保持水平。
當(dāng)液壓系統(tǒng)失效時的情況和液壓系統(tǒng)因停電或電氣等故障發(fā)生停車的情況??紤]平臺正在工作時液壓系統(tǒng)可能出現(xiàn)的故障:首先從平臺液壓系統(tǒng)本身的結(jié)構(gòu)來看,由于結(jié)構(gòu)複雜和管路衆(zhòng)多,其中有數(shù)根長達幾十米的軟管。機器作業(yè)時液壓升降機構(gòu)運動,高壓膠管反複進行繞曲運動,容易産生疲勞破斷。升降機的負載變化較大液壓系統(tǒng)內(nèi)將産生液壓脈動,脈動壓力達到一定值時,高壓膠管會産生破斷。其次系統(tǒng)閥件在運行過程中失效,會造成系統(tǒng)運行失效而被迫停車。
根據(jù)以上的分析,在設(shè)計中對升降機械液壓系統(tǒng)針對性地提出了一些具體的技術(shù)要求。針對液壓系統(tǒng)失效的情況由于液壓缸作爲升降驅(qū)動力,液壓缸需隨升降機構(gòu)運動,此時液壓缸既作爲升降時的動力又作爲施工作業(yè)時升降機的支撐構(gòu)件。所以液壓缸及其相連接的管路對整個安全系統(tǒng)起作主要的作用因此在設(shè)計中液壓管路盡可能使用硬管,并保證軟管的配管要求,減少因系統(tǒng)管路破裂和洩漏造成液壓系統(tǒng)失效的可能性。
因此,液壓系統(tǒng)是液壓升降機械的血液循環(huán)系統(tǒng),液壓系統(tǒng)的完善程度和技術(shù)革新的力度對升降機和高空液壓作業(yè)設(shè)備的人機安全性十分重要,高空作業(yè)車輛升降機構(gòu)的穩(wěn)定可靠是實現(xiàn)安全作業(yè)的必要條件。
葉片泵,高低壓葉片泵,定量變量葉片泵:
150T-116-FR 150T-116-F-R 150T-116FR+PV2R2-33-FR 150T-116-FR-PA 150T-116-F-R-PA 150T-116-FR-PB
150T-116S-F-R 150T-125-F-R-PA 150T-48-F-R 150T-48-FR+PA 150T-48FR+PB 150T-61-F-R 150T-61-FR+PA
150T-61-FR-PA 150T-61-FR-PB 150T-61S-F-R 150T-75-F-R 150T-75-F-R+PA 150T-75-FR-PA 150T-75-FR-PB
150T-94-F-R 150T-94-FR-PA 150T-94-FR-PB 150T-94S-F-R
50T-07-F-R 50T-07-FR-1 50T-07-FR-2 50T-12-F-R 50T-12-FR-1 50T-12-FR-2 50T-14-F-R 50T-14-FR-1 50T-14-FR-2
50T-17-F-R 50T-17-FR-1 50T-17-FR-2 50T-19-FR-1 50T-19-FR-2 50T-23-F-R 50T-23-FR-1 50T-23-FR-2 50T-26-1
50T-26-F-R 50T-26-FR+PA 50T-26-FR-1 50T-26-FR-2 50T-26-FR2+PV2R1-14-FR 50T-30-F-R 50T-36-F-R
50T-36-FR-1 50T-36-FR-2 50T-36-FR-S3 50T-36PA-FR 50T-39-F-R 50T-39-F-R+PB 50T-39-FR-1 50T-39-FR-2
50T-40-FR 50T-40-FR-1 50T-40-FR-2
MVPVC-F12-A1-03A MVPVC-F12-A2-03A MVPVC-F12-A3-02 MVPVC-F12-A3-03A MVPVC-F20-A1-03A MVPVC-F20-A2-03A
MVPVC-F20-A3-02 MVPVC-F20-A3-03A MVPVC-F30-A3-02 MVPVC-F40-A3-02
PVDF2-C55C55-15 PVDF2-D70D70-15 PVDF-370-370-15 PVS100-A1-F-R-10 PVS100-A2-F-R-10 PVS100-A3-F-R-10
PVS100-A4-F-R-10 PVS16-A1-F-R-10 PVS16-A2-F-R-10 PVS16-A3-F-R-10 PVS16-A4-F-R-10 PVS22-A1-F-R-10 PVS22-A2-F-R-10
PVS22-A3-F-R-10 PVS22-A4-F-R-10 PVS36-A1-F-R-10 PVS36-A2-F-R-10 PVS36-A3-F-R-10 PVS36-A4-F-R-10 PVS46-A1-F-R-10
PVS46-A2-F-R-10 PVS46-A3-F-R-10 PVS46-A4-F-R-10 PVS70-A1-F-R-10 PVS70-A2-F-R-10 PVS70-A3-F-R-10 PVS70-A4-F-R-10
PVS8-A1-F-R-10 PVS8-A2-F-R-10 PVS8-A3-F-R-10 PVS8-A4-F-R-10 PVVP-F12-A2 PVVP-F12-A3 PVVP-F15-A1 PVVP-F15-A2
PVVP-F15-A3 PVVP-F15-A4 PVVP-F20-A2 PVVP-F20-A3 PVVP-F20-A4 PVVP-F23-A* PVVP-F23-A4 PVVP-F26-A1 PVVP-F26-A2
PVVP-F26-A3 PVVP-F26-A4 PVVP-F30-A1 PVVP-F30-A2 PVVP-F30-A3 PVVP-F30-A4 PVVP-F40-A1 PVVP-F40-A2 PVVP-F40-A3
PVVP-F40-A4 PVVP-F8-A1
VD-F08-A1-02 VD-F08-A2-02 VD-F08-A3-02 VD-F08-A4-02 VD-F12-A1-02 VD-F12-A2-02 VD-F12-A3-02 VD-F12-A4-02
VD-F16-A1-02 VD-F16-A2-02 VD-F16-A3-02 VD-F16-A4-02
VF15-11-FRAL-01 VF15-14-FRAB-01 VF15-17-FRRL-01 VF15-19-FRAA-01 VF15-23-FRAL-02 VF15-26-FRAA-02 VF15-28-FRRA-02
VF15-31-FRAL-01
VHI-F-30-A1 VHI-F-40-A2
VHO-F-12-A1 VHO-F-15-A2 VHO-F-20-A2
VP-08 VP-12 VP12-1 VP12-2 VP12-3 VP-12-F/A1 VP-15 VP15-1 VP15-2 VP15-3 VP-15-F/A2 VP-20 VP20-1 VP20-2
VP20-3 VP-20-F/A3 VP-30 VP30-1 VP30-2 VP30-3 VP-30-F/A3 VP-30-F-A2 VP-30-F-A3 VP-40 VP40-1 VP40-2 VP40-3
VP-40-F/A3 VP-40-F-A2 VP-40-F-A3 VPD2020 VPD3030 VPD4040 VP-DF-12-D VP-DF-20-A VP-DF-20-B VP-DF-20-C
VP-DF-20-D VP-DF-30-A VP-DF-30-B VP-DF-30-C VP-DF-30-D VP-DF-40-A VP-DF-40-B VP-DF-40-C
VPKC-F15-A1-02-1 VPKC-F15-A202 VPKC-F15A202-1 VPKC-F15-A2-02-1 VPKC-F15-A3-02-1 VPKC-F15-A4-02-1
VPKC-F20-A1-02-1 VPKC-F20-A202 VPKC-F20-A2-02-1 VPKC-F20-A2-03-1 VPKC-F20-A4-02-1 VPNC-12-2-30
VPNC-17-2-30 VPNC-23-2-30 VPNC-26-2-30 VPNC-36-2-30 VPNC-7-2-30 VPNC-F12-2-30 VPNC-F17-2-30 VPNC-F23-2-30
VPNC-F26-2-30 VPNC-F36-2-30 VPNC-F7-2-30
VP-SF-12-A VP-SF-12-B VP-SF-12-C VP-SF-12-D VP-SF-12-E VP-SF-15-B VP-SF-15-D VP-SF-20-A VP-SF-20-B
VP-SF-20-C VP-SF-20-D VP-SF-20-E VP-SF-30-A VP-SF-30-B VP-SF-30-C VP-SF-30-D VP-SF-30-E VP-SF-40-A
VP-SF-40-B VP-SF-40-C VP-SF-40-D
VPVC-F12-A1-02 VPVC-F12-A2-02 VPVC-F12-A3-02 VPVC-F12-A3-02A VPVC-F12-A4-02AD VPVC-F12-A4-03AD
VPVC-F20-A1-02 VPVC-F20-A2-02 VPVC-F20-A3-02 VPVC-F20-A3-02A VPVC-F20-A4-02AD VPVC-F20-A4-03AD
VPVC-F30-A1-02 VPVC-F30-A2-02 VPVC-F30-A3-02 VPVC-F30-A4-02AD VPVC-F30-A4-03AD VPVC-F40-A1-02
VPVC-F40-A2-02 VPVC-F40-A3-02 VPVC-F40-A4-02AD VPVC-F40-A4-03AD
液控單向閥:
CPDG-03-1-50 CPDG-03-2-50 CPDG-06-1-50 CPDG-06-2-50 CPDG-10-1-50 CPDG-10-2-50
液動換向閥:
DP-04-2B2-1PB DP-04-3C2-2P DP-04-3C3-2P DP-04-3C4-2P DP-04-3C60-2P DP-04-3C6-2P DP-04-3C8-2P DP-06-2B2-1PB
DP-06-3C2-2P DP-06-3C3-2P DP-06-3C4-2P DP-06-3C60-2P DP-06-3C6-2P DP-06-3C8-2P DP-10-2B2-1PB DP-10-3C2-2P
DP-10-3C3-2P DP-10-3C4-2P DP-10-3C60-2P DP-10-3C6-2P DP-10-3C8-2P
電磁換向閥:
DS-G03-B20 DS-G03-B20S DS-G03-B2S DS-G03-B3S DS-G03-C2BS DS-G03-C3BS DS-G03-C40BS DS-G03-C4BS DS-G03-C5BS
DS-G03-C5S DS-G03-C60BS DS-G03-C6BS DS-G03-C7BS DS-G03-C8BS DS-G03-C8S0 DS-G03-C9BS DS-G03-C9S0
SWH-G02-3C2-D24-20 SWH-G02-3C3-D24-20 SWH-G02-3C4-D24-20 SWH-G02-3C6-D24-20 SWH-G02-B20-A110-20
SWH-G02-B2-A110-20 SWH-G02-B3-A110-20 SWH-G02-B4-A110-20 SWH-G02-C2-A220-20 SWH-G02-C2-D12-20
SWH-G02-C3-A220-20 SWH-G02-C40-A240-20 SWH-G02-C4-A220-20 SWH-G02-C5-A240-20 SWH-G02-C60-A240-20
SWH-G02-C6-A220-20 SWH-G02-C6-R120-20 SWH-G02-C7-R220-20 SWH-G02-C8-R220-20 SWH-G02-C9-R220-20
SWH-G03-B2-D12-20 SWH-G03-B3-A110-10 SWH-G03-B3-A110-20 SWH-G03-B3-D12-20 SWH-G03-B3-D24-10
SWH-G03-B3-D24-20 SWH-G03-B4-D12-20 SWH-G03-B-A220-10 SWH-G03-B-A220-20 SWH-G03-B-D12-10
SWH-G03-B-D12-20 SWH-G03-C2-R120-20 SWH-G03-C3-R120-20 SWH-G03-C4-R120-20 SWH-G03-C6-D24-20
SWH-G03-C6-R220-20
電液換向閥:
DSH-G03-B2-ET-A110-20 DSH-G03-B2-ET-A220-20 DSH-G03-B2-ET-A240-20 DSH-G03-B2-ET-D24-20 DSH-G03-B3-ET-A110-20
DSH-G03-B3-ET-A220-20 DSH-G03-B3-ET-A240-20 DSH-G03-B3-ET-D24-20 DSH-G03-B4-ET-A110-20 DSH-G03-B4-ET-A220-20
DSH-G03-B4-ET-A240-20 DSH-G03-B4-ET-D24-20 DSH-G03-C2-ET-A110-20 DSH-G03-C2-ET-A220-20 DSH-G03-C2-ET-A240-20
DSH-G03-C2-ET-D24-20 DSH-G03-C3-ET-A110-20 DSH-G03-C3-ET-A220-20 DSH-G03-C3-ET-A240-20 DSH-G03-C3-ET-D24-20
DSH-G03-C4-ET-A110-20 DSH-G03-C4-ET-A220-20 DSH-G03-C4-ET-A240-20 DSH-G03-C4-ET-D24-20 DSH-G03-C5-ET-A110-20
DSH-G03-C5-ET-A220-20 DSH-G03-C5-ET-A240-20 DSH-G03-C5-ET-D24-20 DSH-G03-C6-ET-A110-20 DSH-G03-C6-ET-A220-20
DSH-G03-C6-ET-A240-20 DSH-G03-C6-ET-D24-20 DSH-G03-C7-ET-A110-20 DSH-G03-C7-ET-A220-20 DSH-G03-C7-ET-A240-20
DSH-G03-C7-ET-D24-20 DSH-G03-C8-ET-A110-20 DSH-G03-C8-ET-A220-20 DSH-G03-C8-ET-A240-20 DSH-G03-C8-ET-D24-20
DSH-G03-C9-ET-A110-20 DSH-G03-C9-ET-A220-20 DSH-G03-C9-ET-A240-20 DSH-G03-C9-ET-D24-20 DSH-G03-D2-ET-A110-20
DSH-G03-D2-ET-A220-20 DSH-G03-D2-ET-A240-20 DSH-G03-D2-ET-D24-20
齒輪泵:
EG-PA-10R EG-PA-11R EG-PA-12R EG-PA-3R EG-PA-4R EG-PA-5R EG-PA-6R EG-PA-8R EG-PA-9R EG-PA-F10R EG-PA-F11R
EG-PA-F12R EG-PA-F1R EG-PA-F2R EG-PA-F3R EG-PA-F4R EG-PA-F5R EG-PA-F6R EG-PA-F8R EG-PA-F9R EG-PB-11
EG-PB-11-L EG-PB-11-R EG-PB-12 EG-PB-12-L EG-PB-12-R EG-PB-16 EG-PB-16-L EG-PB-16-R EG-PB-19 EG-PB-19-L
EG-PB-19-R EG-PC-19 EG-PC-19-L EG-PC-19-R EG-PC-22 EG-PC-22-L EG-PC-22-R EG-PC-25 EG-PC-25-L EG-PC-25-R
EG-PC-31 EG-PC-31-L EG-PC-31-R
ER-G01-0-L-E-10-S016 ER-G01-0-L-E-11-S016 ER-G01-0-R-E-10-S016 ER-G01-0-R-E-11-S016 ER-G01-1-L-E-10-S016
ER-G01-1-L-E-11-S016 ER-G01-1-R-E-10-S016 ER-G01-1-R-E-11-S016 ER-G01-2-L-E-10-S016 ER-G01-2-L-E-11-S016
ER-G01-2-R-E-10-S016 ER-G01-2-R-E-11-S016 ER-G01-3-L-E-10-S016 ER-G01-3-L-E-11-S016 ER-G01-3-R-E-10-S016
ER-G01-3-R-E-11-S016 ER-G03-0-L-E-10-S016 ER-G03-0-R-E-10-S016 ER-G03-1-L-E-10-S016 ER-G03-1-R-E-10-S016
ER-G03-2-L-E-10-S016 ER-G03-2-R-E-10-S016 ER-G03-3-L-E-10-S016 ER-G03-3-R-E-10-S016 ER-G06-0-L-E-10-S016
ER-G06-0-R-E-10-S016 ER-G06-1-L-E-10-S016 ER-G06-1-R-E-10-S016 ER-G06-2-L-E-10-S016 ER-G06-2-R-E-10-S016
ER-G06-3-L-E-10-S016 ER-G06-3-R-E-10-S016
GP15-2-R-D6F GP15-3-R-D6F GPY-2R GPY-3R GPY-4R GPY-5.8R GPY-7R GPY-8R GPY-9R GPYZ-2R323 GPY-Z-3R232
GPYZ-4R332 GPYZ-5.8R3233 GPYZ-8R323
K1P10R11A K1P11R11A K1P12R11A K1P1R11A K1P2R11A K1P3R11A K1P4R11A K1P5R11A K1P6R11A K1P7R11A K1P8R11A K1P9R11A
低噪音電磁溢流閥:
HSRF-G03-1NP-1-L-A240-10-30 HSRF-G03-1NP-1-L-A240-20-30 HSRF-G03-1NP-1-R-A240-10-30
HSRF-G03-1NP-1-R-A240-20-30 HSRF-G03-1NP-2-L-A240-10-30 HSRF-G03-1NP-2-L-A240-20-30
HSRF-G03-1NP-2-R-A240-10-30 HSRF-G03-1NP-2-R-A240-20-30 HSRF-G03-1NP-3-L-A240-10-30
HSRF-G03-1NP-3-L-A240-20-30 HSRF-G03-1NP-3-R-A240-10-30 HSRF-G03-1NP-3-R-A240-20-30
HSRF-G03-1PN-1-L-A240-10-30 HSRF-G03-1PN-1-L-A240-20-30 HSRF-G03-1PN-1-R-A240-10-30
HSRF-G03-1PN-1-R-A240-20-30 HSRF-G03-1PN-2-L-A240-10-30 HSRF-G03-1PN-2-L-A240-20-30
HSRF-G03-1PN-2-R-A240-10-30 HSRF-G03-1PN-2-R-A240-20-30 HSRF-G03-1PN-3-L-A240-10-30
HSRF-G03-1PN-3-L-A240-20-30 HSRF-G03-1PN-3-R-A240-10-30 HSRF-G03-1PN-3-R-A240-20-30
電磁卸荷溢流閥:
HSUR-G03-1NP-1-A220-10 HSUR-G03-1NP-1-A220-20 HSUR-G03-1NP-2-A220-10 HSUR-G03-1NP-2-A220-20
HSUR-G03-1NP-3-A220-10 HSUR-G03-1NP-3-A220-20 HSUR-G03-1PN-1-A220-10 HSUR-G03-1PN-1-A220-20
HSUR-G03-1PN-2-A220-10 HSUR-G03-1PN-2-A220-20 HSUR-G03-1PN-3-A220-10 HSUR-G03-1PN-3-A220-20
HSUR-G06-1NP-1-A220-10 HSUR-G06-1NP-1-A220-20 HSUR-G06-1NP-2-A220-10 HSUR-G06-1NP-2-A220-20
HSUR-G06-1NP-3-A220-10 HSUR-G06-1NP-3-A220-20 HSUR-G06-1PN-1-A220-10 HSUR-G06-1PN-1-A220-20
HSUR-G06-1PN-2-A220-10 HSUR-G06-1PN-2-A220-20 HSUR-G06-1PN-3-A220-10 HSUR-G06-1PN-3-A220-20
HUR-G03-1-30 HUR-G03-1-32 HUR-G03-2-30 HUR-G03-2-32 HUR-G03-3-30 HUR-G03-3-32 HUR-G06-1-30
HUR-G06-1-32 HUR-G06-2-30 HUR-G06-2-32 HUR-G06-3-30 HUR-G06-3-32
疊加式單向閥:
MC-02A-05-20 MC-02A-50-20 MC-02B-05-20 MC-02B-50-20 MC-02BP-05-20 MC-02BP-50-20 MC-02P-05-20
MC-02P-50-20 MC-02T-05-20 MC-02T-50-20 MC-02W-05-20 MC-02W-50-20 MC-04P-05-20 MC-04P-50-20
MC-06A-05-20 MC-06A-50-20 MC-06B-05-20 MC-06B-50-20 MC-06P-05-20 MC-06P-50-20 MC-06T-05-20 MC-06T-50-20
疊加式平衡閥:
MCS-02A-K-1-20 MCS-02A-K-2-20 MCS-02A-K-3-20 MCS-02B-K-1-20 MCS-02B-K-2-20 MCS-02B-K-3-20
MCS-03A-K-1-20 MCS-03A-K-2-20 MCS-03A-K-3-20 MCS-03B-K-1-20 MCS-03B-K-2-20 MCS-03B-K-3-20
MCS-04A-K-1-20 MCS-04A-K-2-20 MCS-04A-K-3-20 MCS-04B-K-1-20 MCS-04B-K-2-20 MCS-04B-K-3-20
MCS-06A-K-1-20 MCS-06A-K-2-20 MCS-06A-K-3-20 MCS-06B-K-1-20 MCS-06B-K-2-20 MCS-06B-K-3-20
疊加式液控單向閥:
MPC-02A-05-20 MPC-02A-50-20 MPC-02B-05-20 MPC-02B-50-20 MPC-02W-05-20 MPC-02W-50-20 MPC-03A-05-20
MPC-03A-50-20 MPC-03B-05-20 MPC-03B-50-20 MPC-03W-05-20 MPC-03W-50-20 MPC-04A-05-20 MPC-04A-50-20
MPC-04B-05-20 MPC-04B-50-20 MPC-04W-05-20 MPC-04W-50-20 MPC-06A-05-20 MPC-06A-50-20 MPC-06B-05-20
MPC-06B-50-20 MPC-06W-05-20 MPC-06W-50-20
疊加式順序閥:
MS-02P-K-1-20 MS-02P-K-2-20 MS-02P-K-3-20 MS-03P-K-1-20 MS-03P-K-2-20 MS-03P-K-3-20
疊加式節(jié)流閥:
MT-02P-K-20 MT-02T-K-20 MT-03P-K-20 MT-03T-K-20
疊加式單向節(jié)流閥:
MTC-02A-K-I-20 MTC-02B-K-I-20 MTC-02P-K-20 MTC-02T-K-20 MTC-02W-K-I-20 MTC-03A-K-I-20 MTC-03B-K-I-20
MTC-03P-K-20 MTC-03T-K-20 MTC-03W-K-I-20 MTC-04A-K-I-20 MTC-04B-K-I-20 MTC-04W-K-I-20 MTC-06A-K-I-20
MTC-06B-K-I-20 MTC-06W-K-I-20
壓力控制閥,溢流閥,調(diào)壓閥:
SRF-G04-1NP-1-A240-10 SRF-G04-1NP-1-A240-20 SRF-G04-1NP-2-A240-10 SRF-G04-1NP-2-A240-20
SRF-G04-1NP-3-A240-10 SRF-G04-1NP-3-A240-20 SRF-G04-1PN-1-A240-10 SRF-G04-1PN-1-A240-20
SRF-G04-1PN-2-A240-10 SRF-G04-1PN-2-A240-20 SRF-G04-1PN-3-A240-10 SRF-G04-1PN-3-A240-20
SRF-G04-2P-1-A240-10? SRF-G04-2P-1-A240-20 SRF-G04-2P-2-A240-10? SRF-G04-2P-2-A240-20
SRF-G04-2P-3-A240-10 SRF-G04-2P-3-A240-20 SRF-G04-2PN-1-A240-10 SRF-G04-2PN-1-A240-20
SRF-G04-2PN-2-A240-10 SRF-G04-2PN-2-A240-20 SRF-G04-2PN-3-A240-10 SRF-G04-2PN-3-A240-20
SRF-G04-3P-1-A240-10 SRF-G04-3P-1-A240-20? SRF-G04-3P-2-A240-10? SRF-G04-3P-2-A240-20
SRF-G04-3P-3-A240-10 SRF-G04-3P-3-A240-20
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