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KOMPASS康百世朝田VP-20-FA3液壓泵VP-30-FA3/40 08/12/15 變量葉片泵油泵

發(fā)布日期:2019-6-17瀏覽次數:927

KOMPASS康百世朝田VP-20-FA3液壓泵VP-30-FA3/40 08/12/15 變量葉片泵油泵


一文看懂液壓傳動的工作原理

液壓千斤頂工作原理圖



液壓千斤頂是機械行業(yè)常用的工具,常用這個小型工具頂起較重的物體。下面以它爲例簡述液壓傳動的工作原理。圖A所示爲液壓千斤頂的工作原理圖。有兩個液壓缸1和6,內部分別裝有活塞,活塞和缸體之間保持良好的配合關系,不僅活塞能在缸內滑動,而且配合面之間又能實現可靠的密封。當向上抬起杠桿時,液壓缸1活塞向上運動,液壓缸1下腔容積增大形成局部真空,單向閥2關閉,油箱4的油液在大氣壓作用下經吸油管頂開單向閥3進入液壓缸1下腔,完成一次吸油動作。當向下壓杠桿時,液壓缸l活塞下移,液壓缸1下腔容積減小,油液受擠壓,壓力升高,關閉單向閥3,液壓缸1下腔的壓力油頂開單向閥2,油液經排油管進入液壓缸6的下腔,推動大活塞上移頂起重物。如此不斷上下扳動杠桿就可以使重物不斷升起,達到起重的目的。如杠桿停止動作,液壓缸6下腔油液壓力將使單向閥2關閉,液壓缸6活塞連同重物一起被自鎖不動,停止在舉升位置。如打開截止閥5,液壓缸6下腔通油箱,液壓缸6活塞將在自重作用下向下移,迅速回複到原始位置。設液壓缸1和6的面積分別爲A1和A2,則液壓缸1單位面積上受到的壓力p1=F/A1,液壓缸6單位面積上受到的壓力p2=W/A2。根據流體力學的帕斯卡定律“平衡液體內某一點的壓力值能等值地傳遞到密閉液體內各點”,則有
p1 = p2 = F/A1 = W/A2 (1-1)
由液壓千斤頂的工作原理得知,液壓缸1與單向閥2、3一起完成吸油與排油,將杠桿的機械能轉換爲油液的壓力能輸出。液壓缸6將油液的壓力能轉換爲機械能輸出,抬起重物。有了負載作用力,才産生液體壓力。因此就負載和液體壓力兩者來說,負載是第一性的,壓力是第二性的。液壓傳動裝置本質是一種能量轉換裝置。在這里液壓缸6、液壓缸1組成了最簡單的液壓傳動系統,實現了力和運動的傳遞。
從液壓千斤頂的工作過程,可以歸納出液壓傳動工作原理如下:
(1)液壓傳動是以液體(液壓油)作爲傳遞運動和動力的工作介質的。

(2)液壓傳動經過兩次能量轉換,先把機械能轉換爲便于輸送的液體壓力能,然后把液體壓力能轉換爲機械能對外做功。

(3)液壓傳動是依靠密封容積(或密封系統)內容積的變化來傳遞能量的。

工程機械的起重機、推土機、汽車起重機、注塑機,機床行業(yè)的組合機床的滑臺、數控車床工件的夾緊、加工中心主軸的松刀和拉刀等都應用了液壓系統傳動的工作原理。

臺灣KOMPASS康百世V系列變量柱塞泵
V15A1R10X V15A2R10X V15A3R10X V15A4R10X V15A1L10X V15A2L10X V15A3L10X V15A4L10X
V18A1R10X V18A2R10X V18A3R10X V18A4R10X V18A1L10X V18A2L10X V18A3L10X V18A4L10X
V23A1R10X V23A2R10X V23A3R10X V23A4R10X V23A1L10X V23A2L10X V23A3L10X V23A4L10X
V38A1R10X V38A2R10X V38A3R10X V38A4R10X V38A1L10X V38A2L10X V38A3L10X V38A4L10X
V50A1R10X V50A2R10X V50A3R10X V50A4R10X V50A1L10X V50A2L10X V50A3L10X V50A4L10X
V70A1R10X V70A2R10X V70A3R10X V70A4R10X V70A1L10X V70A2L10X V70A3L10X V70A4L10X

臺灣KOMPASS康百世AR系列變量柱塞泵
AR16-FR01C AR16-FR01B AR16-LR01C AR16-LR01B AR22-FR01C AR22-FR01B AR22-LR01C
AR22-LR01B AR16-FR01CK AR16-FR01BK AR16-LR01CK AR16-LR01BK AR22-FR01CK AR22-LR01CK
AR22-FR01BS AR22-LR01CS AR22-LR01BS AR22-FR01BK AR22-LR01BK AR16-FR01CS AR16-FR01BS
AR16-LR01CS AR16-LR01BS AR22-FR01CS

臺灣KOMPASS康百世定量葉片泵
50T-07-FR 50T-07-LR 50T-12-FR 50T-12-LR 50T-14-FR 50T-14-LR 50T-17-FR 50T-17-LR
50T-20-FR 50T-20-LR 50T-23-FR 50T-23-LR 50T-26-FR 50T-26-LR 50T-30-FR 50T-30-LR
50T-36-FR 50T-36-LR 50T-39-FR 50T-39-LR 150T-48-FR 150T-48-LR 150T-61-FR 150T-61-LR
150T-75-FR 150T-75-LR 150T-94-FR 150T-94-LR 150T-116-FR 150T-116-LR

臺灣KOMPASS康百世定量葉片泵
PV2R1-06-FR PV2R1-08-FR PV2R1-10-FR PV2R1-12-FR PV2R1-14-FR PV2R1-17-FR PV2R1-18-FR
PV2R1-23-FR PV2R1-25-FR PV2R1-31-FR PV2R2-33-FR PV2R2-41-FR PV2R2-47-FR PV2R2-53-FR
PV2R2-59-FR PV2R2-65-FR PV2R2-76-FR PV2R2-94-FR PV2R2-116-FR PV2R1-06-LR PV2R1-08-LR
PV2R1-10-LR PV2R1-12-LR PV2R1-14-LR PV2R1-17-LR PV2R1-18-LR PV2R1-23-LR PV2R1-25-LR
PV2R1-31-LR PV2R2-33-LR PV2R2-41-LR PV2R2-47-LR PV2R2-53-LR PV2R2-59-LR PV2R2-65-LR
PV2R2-76-LR PV2R2-94-LR PV2R2-116-LR

中高壓變量葉片泵:
VA1-08F-A1 VA1-08F-A2 VA1-08F-A3 VA1-12F-A1 VA1-12F-A2 VA1-12F-A3 VA1-15F-A1 VA1-15F-A2 VA1-15F-A3 VA1-15F-A3
VA1A1-0808F-A1 VA1A1-0808F-A2 VA1A1-0808F-A3 VA1A1-1212F-A1 VA1A1-1212F-A2 VA1A1-1212F-A3 VA1A1-1215F-A1
VA1A1-1215F-A2 VA1A1-1215F-A3
VB1-20F-A1 VB1-20F-A2 VB1-20F-A3 VB1-24F-A1 VB1-24F-A2 VB1-24F-A3
VB1B1-2020F-A1 VB1B1-2020F-A2 VB1B1-2020F-A3 VB1B1-2424F-A1 VB1B1-2424F-A2 VB1B1-2424F-A3
VB3-20F-A1 VB3-20F-A2 VB3-20F-A3 VB3-20F-A4
VC1-26F-A1 VC1-26F-A2 VC1-26F-A3
VD1-25F-A1 VD1-25F-A2 VD1-25F-A3 VD1-30F-A1 VD1-30F-A2 VD1-30F-A3
VD1D1-2525F-A1 VD1D1-2525F-A2 VD1D1-2525F-A3 VD1D1-3030F-A1 VD1D1-3030F-A2 VD1D1-3030F-A3
VD2-20F-A2 VD2-20F-A3 VD2-20F-A4 VD2-25F-A2 VD2-25F-A3 VD2-25F-A4 VD2-30F-A2 VD2-30F-A3 VD2-30F-A4
VD3-25F-A1 VD3-25F-A2 VD3-25F-A3 VD3-25F-A4 VD3-30F-A1 VD3-30F-A2 VD3-30F-A3 VD3-30F-A4
VE1-40F-A1 VE1-40F-A2 VE1-40F-A3 VE1-45F-A1 VE1-45F-A2 VE1-45F-A3
VE1E1-4040F-A1 VE1E1-4040F-A2 VE1E1-4040F-A3 VE1E1-4545F-A1 VE1E1-4545F-A2 VE1E1-4545F-A3
VE2-40F-A2 VE2-40F-A3 VE2-40F-A4
VE3-40F-A1 VE3-40F-A2 VE3-40F-A3 VE3-40F-A4
VF2-54F-A2 VF2-54F-A3 VF2-54F-A4
VF3-54F-A1 VF3-54F-A2 VF3-54F-A3 VF3-54F-A4
VK2-70F-A2 VK2-70F-A3 VK2-70F-A4 VK2-86F-A2 VK2-86F-A3 VK2-86F-A4
VK3-70F-A1 VK3-70F-A2 VK3-70F-A3 VK3-70F-A4 VK3-86F-A1 VK3-86F-A2 VK3-86F-A3 VK3-86F-A4 

VQ15-08-FR VQ15-11-FR VQ15-14-FR VQ15-17-FR VQ15-19-FR VQ15-23-FR VQ15-26-FR
VQ15-31-FR VQ25-18-FR VQ25-22-FR VQ25-26-FR VQ25-32-FR VQ25-38-FR VQ25-43-FR
VQ25-52-FR VQ25-60-FR VQ25-65-FR VQ25-75-FR VQ35-60-FR VQ35-66-FR VQ35-76-FR
VQ35-82-FR VQ35-88-FR VQ35-94-FR VQ35-108-FR VQ35-116-FR VQ35-125-FR VQ45-136-FR
VQ45-156-FR VQ45-189-FR VQ45-216-FR VQ45-237-FR VQ215-22-11-FR VQ315-52-23-FR
VQ225-18-26-FR VQ325-108-60-FR VQ425-136-65-FR SVQ215-32-08-FR SVQ435-156-76-FR
PHB19AR-F-11 PHB22AR-F-11 PHB25AR-F-11 PHB28AR-F-11 PHB31AR-F-11 PHB36AR-F-11
VOP-203-A1-F-RV VOP-204-A1-F-RV VOP-206-A1-F-RV VOP-208-A1-F-RV VOP-210-A1-F-RV
VOP-212-A1-F-RV VOP-216-A1-F-RV VOP-220-A1-F-RV VOP-203-A2-F-RV VOP-204-A2-F-RV
VOP-206-A2-F-RV VOP-208-A2-F-RV VOP-210-A2-F-RV VOP-212-A2-F-RV VOP-216-A2-F-RV
VOP-220-A2-F-RVVOP-203-A3-F-RVVOP-204-A3-F-RVVOP-206-A3-F-RVVOP-208-A3-F-RV
VOP-210-A3-F-RVVOP-212-A3-F-RVVOP-216-A3-F-RVVOP-220-A3-F-RVPHB40AR-F-11
高壓變量柱塞泵:
PVS08,PVS16,PVS22,PVS36,PVS46,PVS70,PVS100.
 PVS08-A4-F-R,PVS08-A3-F-R,PVS08-A2-F-R,PVS08-A1-F-R,PVS08-A0-F-R.
 PVS16-A4-F-R,PVS16-A3-F-R,PVS16-A2-F-R,PVS16-A1-F-R,PVS16-A0-F-R.
 PVS22-A4-F-R,PVS22-A3-F-R,PVS22-A2-F-R,PVS22-A1-F-R,PVS22-A0-F-R.
 PVS36-A4-F-R,PVS36-A3-F-R,PVS36-A2-F-R,PVS36-A1-F-R,PVS36-A0-F-R.
 PVS46-A4-F-R,PVS46-A3-F-R,PVS46-A2-F-R,PVS46-A1-F-R,PVS46-A0-F-R.
 PVS70-A4-F-R,PVS70-A3-F-R,PVS70-A2-F-R,PVS70-A1-F-R,PVS70-A0-F-R.
 PVS100-A4-F-R,PVS100-A3-F-R,PVS100-A2-F-R,PVS100-A1-F-R,PVS100-A0-F-R

KOMPASS電磁閥部分型號:

D5-02-2B2B,、D5-02-3C2,、D5-02-3C4,、D4-02-3C4,、D4-03-2B2.、

臺灣KOMPASS液控單向閥
MPA-04B 、MPA-03A   、MPA-03B  、MPA-03C、MPA-04A   、MPA-04B  、MPA-04C、MPA-06A   、MPA-06B  、MPA-06A、

臺灣KOMPASS減壓閥:
MRP-02A-H 、MRP-02B-H 、MRP-02C-H 、MRP-02H-H、MRP-03-A-H 、MRP-03-B-H 、MRP-03-C-H 、MRP-03-H-H、、MRB-06-A-H 、MRB-06-B-H 、MRRP-02-B-M MRRP-03-B-M MRRP-02-B-H MRRP-03-B-H MRRP-02-C-M MRRP-03-C-M
MRRP-02-C-H MRRP-03-C-H MRRP-02-H-M MRRP-03-H-M MRRP-02-H-H MRRP-03-H-H
MRRA-02-B-M MRRA-03-B-M MRRA-02-B-H MRRA-03-B-H MRRA-02-C-M MRRA-03-C-M
MRRA-02-C-H MRRA-03-C-H MRRA-02-H-M MRRA-03-H-M MRRA-02-H-H MRRA-03-H-H
MRRB-02-B-M MRRB-03-B-M MRRB-02-B-H MRRB-03-B-H MRRB-02-C-M MRRB-03-C-M
MRRB-02-C-H MRRB-03-C-H MRRB-02-H-M MRRB-03-H-M MRRB-02-H-H MRRB-03-H-H
MQP-02-B MQP-02-C MQP-02-H MQP-03-BMQP-03-C MQP-03-HMQP-02-B-P MQP-02-C-P
MQP-02-H-P MQP-03-B-P MQP-03-C-P MQP-03-H-P MHB-06-B MHB-06-H
MHB-06-B-P MHB-06-H-P MHB-04-B-P MHB-04-H-P MHB-04-B MHB-04-H
MHA-02-B MHA-03-B MHA-02-H MHA-03-H MHB-02-B MHB-03-B MHB-02-H MHB-03-H
MHB-04-B MHB-04-H MHA-02-B-P MHA-03-B-P MHA-02-H-P MHA-03-H-P
MHB-02-B-P MHB-03-B-P MHB-02-H-P MHB-03-H-P MTP-02 MTP-03MTT-02 MTT-03
MSP-02 MSP-03  MSA-02-X MSA-03-X MSA-04-X MSA-06-X MSA-02-Y MSA-03-Y
MSA-04-Y MSA-06-Y MSB-02-X MSB-03-X MSB-04-X MSB-06-X MSB-02-Y MSB-03-Y
MSB-04-Y MSB-06-Y MSW-02-X MSW-03-X MSW-04-X MSW-06-X MSW-02-Y MSW-03-Y

臺灣KOMPASS疊加式減壓閥、MRB-03-A-H 、MRB-03-B-H 、MRB-03-C-H 、MRB-03-H-H、

手動換向閥
DMT-03-W-2B2 DMT-04-W-2B2 DMT-06-W-2B2 DMT-10-W-2B2 DMG-02-W-2B2 DMG-03-W-2B2
DMT-03-W-3C2 DMT-04-W-3C2 DMT-06-W-3C2 DMT-10-W-3C2 DMG-02-W-3C2 DMG-03-W-3C2
DMT-03-W-3C3 DMT-04-W-3C3 DMT-06-W-3C3 DMT-10-W-3C3 DMG-02-W-3C3 DMG-03-W-3C3
DMT-03-W-3C4 DMT-04-W-3C4 DMT-06-W-3C4 DMT-10-W-3C4 DMG-02-W-3C4 DMG-03-W-3C4
DMT-03-W-3C6 DMT-04-W-3C6 DMT-06-W-3C6 DMT-10-W-3C6 DMG-02-W-3C6 DMG-03-W-3C6

背壓閥
MCAG-06,MCAG-06-B,MCAG-06-C,MCAG-06-H,
MCAG-10,MCAG-10-B,MCAG-10-C,MCAG-10-H.

單向閥
CRG-03-A1 CRG-06-A1 CRG-10-A1 CIT-03-A1 CIT-04-A1 CIT-06-A1 CIT-08-A1 CIT-10-A1 CIT-12-A1
CRG-03-A2 CRG-06-A2 CRG-10-A2 CIT-03-A2 CIT-04-A2 CIT-06-A2 CIT-08-A2 CIT-10-A2 CIT-12-A2
CRNG-03-A1 CRNG-06-A1 CRNG-10-A1 CRNG-03-A2 CRNG-06-A2 CRNG-10-A2 CIT-16-A1 CIT-16-A2

疊加式單向閥
MCP-02-B MCP-03-B MCP-04-B MCP-06-B MCA-02-B MCA-03-B MCB-02-B MCB-03-B
MCT-02-B MCT-03-B MCT-04-B MCT-06-B MCW-02-B MCW-03-B MCW-03-B MCW-02-B
疊加式液控單向閥
MPW-02-B MPW-03-B MPW-04-B MPW-06-B MPDA-03-B MPDB-03-B MPDW-03-B
MPA-02-B MPA-03-B MPA-04-B MPA-06-B MPB-02-B MPB-03-B MPB-04-B MPB-06-B
MBP-01-B-H MBP-02-B-H MBP-03-B-H MBP-06-B-H MBP-01-B-M MBP-02-B-M
MBP-03-B-M MBP-06-B-M MBA-01-B-H MBA-02-B-H MBA-03-B-H MBA-06-B-H
MBA-01-B-M MBA-02-B-M MBA-03-B-M MBA-06-B-M MBB-01-B-H MBB-02-B-H
MBB-03-B-H MBB-06-B-H MBB-01-B-M MBB-02-B-M MBB-03-B-M MBB-06-B-M
MBW-01-B-H MBW-02-B-H MBW-03-B-H MBW-01-B-M MBW-02-B-M MBW-03-B-M
MBP-01-C-H MBP-02-C-H MBP-03-C-H MBP-06-C-H MBP-01-C-M MBP-02-C-M
MBP-03-C-M MBP-06-C-M MBA-01-C-H MBA-02-C-H MBA-03-C-H MBA-06-C-H
MBA-01-C-M MBA-02-C-M MBA-03-C-M MBA-06-C-M MBB-01-C-H MBB-02-C-H
MBB-03-C-H MBB-06-C-H MBB-01-C-M MBB-02-C-M MBB-03-C-M MBB-06-C-M
MBW-01-C-H MBW-02-C-H MBW-03-C-H MBW-01-C-M MBW-02-C-M MBW-03-C-M
MBP-01-H-H MBP-02-H-H MBP-03-H-H MBP-06-H-H MBP-01-H-M MBP-02-H-M
MBP-03-H-M MBP-06-H-M MBA-01-H-H MBA-02-H-H MBA-03-H-H MBA-06-H-H
MBA-01-H-M MBA-02-H-M MBA-03-H-M MBA-06-H-M MBB-01-H-H MBB-02-H-H
標準型油路塊
MMCA-02-3 MMCA-03-3 MMCB-02-3 MMCB-03-3 梭動閥SHT-02
直入式溢流插裝閥
CVB-M-50-6-H-D4-A25 CVB-M-40-6-H-D5-A25
CVB-M-16-6-H-D4-A25 CVB-M-25-6-H-D4-A25 CVB-M-32-6-H-D4-A25 CVB-M-40-6-H-D4-A25
CVB-M-16-6-H-D5-A25 CVB-M-25-6-H-D5-A25 CVB-M-32-6-H-D5-A25 CVB-M-40-6-H-D5-A25
電磁換向閥
D5-02-3C2,D5-02-2B2,D5-02-3,D5-02-3C60,D5-02-2D2,
D5-03-3C2,D5-03-2B2,D5-03-3,D5-03-3C60,D5-03-2D2.
D4-02-3C2,D4-02-2B2,D4-02-3,D4-02-3C60,D4-02-2D2,
D4-03-3C2,D4-03-2B2,D4-03-3,D4-03-3C60,D4-03-2D2.
D5-02-2B2B D5-02-2B3B D5-02-2B4B D5-02-2B5B D5-02-2B40B D5-02-2B60B
D5-02-2B2-A25 D5-02-2B2-A15 D5-02-2B2-A35 D5-02-2B2-D1 D5-02-2B2-D2
D5-02-2B3-A25 D5-02-2B3-A15 D5-02-2B3-A35 D5-02-2B3-D1 D5-02-2B3-D2
D5-02-2B8-A25 D5-02-2B8-A15 D5-02-2B8-A35 D5-02-2B8-D1 D5-02-2B8-D2
卸荷溢流閥
BUCG-06-B-G BUCG-06-C-G BUCG-06-H-G
DB系列先導式溢流閥
DB-03-1 DB-03-3 DB-06-1 DB-06-3 DB-10-1 DB-10-3
管式單向節(jié)流閥
TVC-02 TVC-03 TVC-04 TVC-06 TVL-03 TVH-03 TVH-04
電磁控制調速閥
THF-06 THF-10 SF-06 SF-10 SDF-06 SDF-10 SFD-10 SD-06 SKF-06
加強型先導式溢流閥
BHG-06-B-G BHG-06-C-G BHG-06-H-G BHG-10-B-G BHG-10-C-G BHG-10-H-G
VOP潤滑泵
VOP-203-A2-F-RV VOP-204-A2-F-RV VOP-206-A2-F-RV VOP-208-A2-F-RV VOP-210-A2-F-RV
VOP-212-A2-F-RV VOP-216-A2-F-RV VOP-220-A2-F-RV
HV-03-0-3C2 CPD-03-A1-T-D CPD-04-A1-T-D CPD-06-A1-T-D CPD-10-A1-T-D CPD-16-A1-T-D
機械式換向閥
DCG-02-NC-A DCG-02-NC-B DCG-02-NC-C DCG-02-NO-A DCG-02-NO-B DCG-02-NO-C
DCT-02-NC-A DCT-02-NC-B DCT-02-NC-C DCT-02-NO-A DCT-02-NO-B DCT-02-NO-C

壓力繼電器部分型號:
JCD-02S JCS-02N JCS-02NL JCS-02NLL
JPS-02HM JPS-02L JPS-02LL
MJCS-02P-N MJCS-02A-N MJCS-02B-N MJCS-02W-N MJCS-02-P-L MJCS-02-A-L MJCS-02-B-L
MJCS-02-W-L MJCS-02P-LL MJCS-02A-LL 

APSA-150-1 APSA-150-2 APSA-150-3 APSA-150-4 APSA-230-1 APSA-230-2 APSA-230-3
APSA-230-4 APSA-35-1 APSA-35-2 APSA-35-3 APSA-35-4 APSA-420-1 APSA-420-2 APSA-420-3
APSA-420-4 APSA-70-1 APSA-70-2 APSA-70-3 APSA-70-4 APSB-150-1
APSB-150-2 APSB-150-3 APSB-150-4 APSB-230-1 APSB-230-2 APSB-230-3 APSB-230-4 APSB-35-1
APSB-35-2 APSB-35-3 APSB-35-4 APSB-420-1 APSB-420-2 APSB-420-3 APSB-420-4 APSB-70-1
APSB-70-2 APSB-70-3 APSB-70-4 APSC-125-1
APSC-125-2 APSC-125-3 APSC-125-4 APSC-275-1 APSC-275-2 APSC-275-3 APSC-275-4
APSC-400-1 APSC-400-2 APSC-400-3 APSC-400-4 APSC-60-1 APSC-60-2 APSC-60-3 APSC-60-4
APSD-40-1 APSD-40-2 APSD-40-3 APSD-40-4
APSE-125-1 APSE-125-2 APSE-125-3 APSE-125-4 APSE-275-1 APSE-275-2 APSE-275-3
APSE-275-4 APSE-400-1 APSE-400-2 APSE-400-3 APSE-400-4 APSE-60-1 APSE-60-2 APSE-60-3 APSE-60-4
APSF-125-1 APSF-125-2 APSF-125-3 APSF-125-4 APSF-275-1 APSF-275-2 APSF-275-3 APSF-275-4
APSF-400-1 APSF-400-2 APSF-400-3 APSF-400-4 APSF-60-1 APSF-60-2 APSF-60-3 APSF-60-4
APSG-125-1 APSG-125-2 APSG-125-3 APSG-125-4 APSG-275-1 APSG-275-2 APSG-275-3 APSG-275-4
APSG-60-1 APSG-60-2 APSG-60-3 APSG-60-4
APSH-125-1 APSH-125-2 APSH-125-3 APSH-125-4 APSH-275-1 APSH-275-2 APSH-275-3
APSH-275-4 APSH-60-1 APSH-60-2 APSH-60-3 APSH-60-4 

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