詳細(xì)介紹
武穴黎翔機(jī)電設(shè)備有限**銷售:意大利ATOS電磁閥、ATOS常規(guī)閥、ATOS疊加閥、ATOS插裝閥、ATOS比例閥、 ATOS換向閥、ATOS蓋板、ATOS柱塞泵、ATOS齒輪泵、ATOS葉片泵、ATOS普通油缸、ATOS伺服油缸、ATOS電子 器件、ATOS附件等液壓產(chǎn)品。 大量現(xiàn)貨庫存,咨詢。
比例閥采用閥芯+閥體結(jié)構(gòu)。伺服閥和伺服比例閥主要應(yīng)用在閉環(huán)控制系統(tǒng),比例閥的驅(qū)動(dòng)裝置是比例電磁鐵。
伺服閥的驅(qū)動(dòng)裝置是力馬達(dá)或力矩馬達(dá).閥體兼作閥套。
驅(qū)動(dòng)裝置不同.所以近些年出現(xiàn)了比例伺服閥。
比例閥一般zui高幾十Hz,伺服閥中位沒有死區(qū),伺服閥對液壓油液的要求更高.性能參數(shù)不同;否則容易堵塞,
用來控制流量和流向,比例閥要求低一些.比例閥有中位死區(qū);
比例閥和伺服閥的區(qū)別主要體現(xiàn)在以下幾點(diǎn):
逐漸向伺服閥靠近,
比例換向閥屬于比例閥的一種,滯環(huán)、中位死區(qū)、頻寬、過濾精度等特性不同.閥的額定壓降不同;比例換向閥具有與普通換向閥相似的中位機(jī)能,
而比例伺服閥性能介于伺服閥和比例閥之間,因此應(yīng)用場合不同,伺服閥和伺服比例閥采用閥芯+閥套的結(jié)構(gòu)。中位機(jī)能種類不同.其它結(jié)構(gòu)的比例閥主要應(yīng)用在開環(huán)控系統(tǒng)及閉環(huán)速度控制系統(tǒng);因?yàn)楸壤y的性能越來越好;2伺服閥的頻響(響應(yīng)頻率)更高。閥芯結(jié)構(gòu)及加工精度不同.伺服閥與比例閥之間的差別并沒有嚴(yán)格的規(guī)定。
,可以高達(dá)200Hz左右,需要精過濾才行,而伺服閥中位機(jī)能只有O型(Rexroth產(chǎn)品的E型)。
阿托斯ATOS比例常用型號:
DKZOR-AE-173-S5/110
DKZA-A-173-L5/PA-M/7
DKZO-A-151-S5
DKZO-A-171-L5
DKZO-A-173-S5
阿托斯DKZO-A-171-L5
阿托斯DKZO-A-173-L5/6
阿托斯DKZO-A-173-S5
阿托斯DKZOR-A-151/S5/18
阿托斯DKZOR-A-151-L5
阿托斯DKZOR-A-151-S3/PE
阿托斯DKZOR-A-151-S5
阿托斯DKZOR-A-151-S5/18 40
阿托斯DKZOR-A-151-S5/B
阿托斯DKZOR-A-151-S5/Y
阿托斯DKZOR-A-153-L3
阿托斯DKZOR-A-153-L5/B
阿托斯DKZOR-A-153-S5
阿托斯DKZOR-A-171/S5/40 WG
阿托斯DKZOR-A-171-D5
阿托斯DKZOR-A-171-D5 40
阿托斯DKZOR-A-171-L3
阿托斯DKZOR-A-171-L5
阿托斯DKZOR-A-171-L5/6
阿托斯DKZOR-A-171-S3
阿托斯DKZOR-A-171-S5
阿托斯DKZOR-A-171-S5/13
阿托斯DKZOR-A-171-S5/18
阿托斯DKZOR-A-171-S5-40
阿托斯DKZOR-A-173-D5
阿托斯DKZOR-A-173-L3
阿托斯DKZOR-A-173-L3/18
阿托斯DKZOR-A-173-L5
阿托斯DKZOR-A-173-L5 40
阿托斯DKZOR-A-173-L5/18
阿托斯DKZOR-A-173-L5/18 40
阿托斯DKZOR-A-173-L5/40
阿托斯DKZOR-A-173-L5/Y
阿托斯DKZOR-A-173-L5/Y40
阿托斯DKZOR-A-173-L540
阿托斯DKZOR-A-173-S3
阿托斯DKZOR-A-173-S3/6
阿托斯DKZOR-A-173-S5
阿托斯DKZOR-A-173-S5/18
阿托斯DKZOR-A-173-S5/6
DKZOR-AE-151-L3/Y
DKZOR-AE-151-L5
DKZOR-AE-151-L5/I
DKZOR-AE-151-L5/Y
DKZOR-AE-151-S5
DKZOR-AE-153-L3
DKZOR-AE-171-L3/PE
DKZOR-AE-171-L5
DKZOR-AE-171-L5 10
DKZOR-AE-171-L5/
DKZOR-AE-171-L5/I
DKZOR-AE-171-S3
DKZOR-AE-171-S5
DKZOR-AE-171-S5 10/WG
DKZOR-AE-171-S5/10
DKZOR-AE-171-S5/I-10
DKZOR-AE-171-S5/Y
DKZOR-AE-171-S5/Y 10
DKZOR-AE-173-D5
DKZOR-AE-173-D5 10
DKZOR-AE-173-D5/I
DKZOR-AE-173-L3/PE
DKZOR-AE-173-L5 10
DKZOR-AE-173-L5/I 10
DKZOR-AE-173-L5/PE
DKZOR-AE-173-L5/WG
DKZOR-AE-173-S5
DKZOR-AEG-171-L5
DKZOR-AEG-PS-173-L5
DKZORC-A-151-S5/18
DKZOR-RTE-170-L5/PE
DKZOR-RTE-171-L5/I
DKZOR-T-151-L5
DKZOR-T-151-L5/Y
DKZOR-T-153-L5
DKZOR-T-171-D5
DKZOR-T-171-L5
DKZOR-T-171-L5/WG
DKZOR-T-171-S5
DKZOR-T-171-S5/Y
DKZOR-T-173-L5
DKZOR-T-173-L5 40
DKZOR-T-173-L5/20
DKZOR-T-173-S5
DKZOR-TE-151-L5
DKZOR-TE-170-L3/WG
DKZOR-TE-170-L5
DKZOR-TE-170-L5 40
DKZOR-TE-170-L5/Q
DKZOR-TE-171-D5
DKZOR-TE-171-L3
DKZOR-TE-171-L5
DKZOR-TE-171-L5/I
DKZOR-TE-171-L5/I 40
DKZOR-TE-171-S3
DKZOR-TE-171-S5
DKZOR-TE-171-S5 40
DKZOR-TE-171-S5/I
DKZOR-TE-171-S5/Y
DKZOR-TE-173-D5/I
DKZOR-TE-173-L3
DKZOR-TE-173-L3/I
DKZOR-TE-173-L5
DKZOR-TE-173-L5 40
DKZOR-TE-173-S5
DKZO-T-171-S3
DKZO-T-173-S5
DLHZ0-T-040-L53 31
DLHZ0-T-040-L71-31
DLHZ0-TE-040-L71-31
DLHZA/UL-T-040-L5/NPT/PE
DLHZA/UL-T-040-L51/NPT/PE
DLHZA-T-040-L71/7/NPT/C32/PE
DLHZA-T-040-L71/7/PA-NPT
DLHZA-T-040-L71/M/7
DLHZA-T-040-L71/PA-NPT
DLHZA-T-040-T71/GK 31
DLHZA-T-060-L71/GK
DLHZA-T-060-T71/GK 31
DLHZA-T-060-T71/GK/PE
DLHZL-TE-060-V71 60
DLHZO-LE-040-L03/DL16SA 40
DLHZO-LE-040-L13/B
DLHZO-LE-040-L13/B/DL37SB/40
DLHZO-LE-040-L73/BI
DLHZO-LE-040-V33-DL26SB
DLHZO-LE-060-L1/I/DL37SB40
DLHZO-LE-060-L3/I/DL37SB40
DLHZO-LE-060-V71/LQ52SA 40
DLHZO-LE-060-V71/Q/LQ42SB 40
DLHZO-LE-060-V71/Q/LQ52SA 40
DLHZO-RTE-040-L33
DLHZO-RTE-040-L71
DLHZO-RTE-040-L73
DLHZO-RTE-060-V5
DLHZO-T-040-L01
DLHZO-T-040-L03
DLHZO-T-040-L11
DLHZO-T-040-L13
DLHZO-T-040-L31
DLHZO-T-040-L31 31
DLHZO-T-040-L33
DLHZO-T-040-L51
DLHZO-T-040-L53
DLHZO-T-040-L71
DLHZO-T-040-L71 31
DLHZO-T-040-L71 40
DLHZO-T-040-L71/Y/13
DLHZO-T-040-L73
DLHZO-T-040-L73 1
DLHZO-T-040-L73 31
DLHZO-T-040-T51
DLHZO-T-040-T71
DLHZO-T-040-T73
DLHZO-T-040-V71
DLHZO-TE-040-L01
DLHZO-TE-040-L03
DLHZO-TE-040-L11
DLHZO-TE-040-L11/I
DLHZO-TE-040-L11/WG
DLHZO-TE-040-L13
DLHZO-TE-040-L13/EP
DLHZO-TE-040-L13/FQ/PE
DLHZO-TE-040-L31
DLHZO-TE-040-L31 40
DLHZO-TE-040-L31/FI 40
DLHZO-TE-040-L31/I
DLHZO-TE-040-L31/M
DLHZO-TE-040-L31/Q
DLHZO-TE-040-L33
DLHZO-TE-040-L33/FQ/PE
DLHZO-TE-040-L33/I 40
DLHZO-TE-040-L33-40
DLHZO-TE-040-L51
DLHZO-TE-040-L51 40
DLHZO-TE-040-L51/FI 40
DLHZO-TE-040-L51/I
DLHZO-TE-040-L51/Q
DLHZO-TE-040-L51/Y
DLHZO-TE-040-L51/Z
DLHZO-TE-040-L53
DLHZO-TE-040-L53 40
DLHZO-TE-040-L53/I
DLHZO-TE-040-L71
DLHZO-TE-040-L71/I
DLHZO-TE-040-L71/I 40
DLHZO-TE-040-L71/Z
DLHZO-TE-040-L73
DLHZO-TE-040-L73 40
DLHZO-TE-040-L73/1
DLHZO-TE-040-L73/B 40
DLHZO-TE-040-L73/B+SP-ZN-7P
DLHZO-TE-040-L73/I
DLHZO-TE-040-L73/Q
DLHZO-TE-040-T51
DLHZO-TE-040-T53
DLHZO-TE-040-T53/I
DLHZO-TE-040-T53/I 40
DG5V-8-H-6C-2-VM-U-H-10
DG5V-8-H-6C-3-M-U-H-10
DG5V-8-H-6C-3-T-M-U-H-10
DG5V-8-H-6C-E-M-U-C-10
DG5V-8-H-6C-E-M-U-H-10
DG5V-8-H-6C-M-FWL-H-10-EN21
DG5V-8-H-6C-M-U-A-10
DG5V-8-H-6C-M-U-C-10
DG5V-8-H-6C-M-U-H-10
DG5V-8-H-6C-M-U-HL-10
DG5V-8-H-6C-S-M-U-H-10
DG5V-8-H-6C-T-M-U-B-10
DG5V-8-H-6C-T-M-U-C-10
DG5V-8-H-6C-T-M-U-H-10
DG5V-8-H-6C-T-M-U-KK-10
DG5V-8-H-6C-T-VM-U-H-10
DG5V-8-H-6N-2-M-U-OJ-10
DG5V-8-H-6N-M-U-A-10
DG5V-8-H-6N-M-U-C-10
DG5V-8-H-8C-2-S-VM-U-A-10
DG5V-8-H-8C-2-S-VM-U-C-10
DG5V-8-H-8C-2-S-VM-U-KK-10
DG5V-8-H-8C-E-T-VM-U-H-10
DG5V-8-H-8C-E-VM-U-B-10
DG5V-8-H-8C-E-VM-U-C-10
DG5V-8-H-8C-E-VM-U-D-10
DG5V-8-H-8C-K-VM-U-H-10
DG5V-8-H-8C-R-VM-U-C-10
DG5V-8-H-8C-S-VM-U-B-10
DG5V-8-H-8C-S-VM-U-H-10
DG5V-8-H-8C-VM-U-A-10
DG5V-8-H-8C-VM-U-C-10
DG5V-8-H-8C-VM-U-H-10
DG5V-8-H-9C-E-M-U-A-10
DG5V-8-H-9C-E-VM-U-C-10
DG5V-8-H-B-2C-Z-PCB-E-VM-U-H-10
DG5V-8-H-B-35A-Z-PPA-E-VM-U-H-10-EN600
DGAM-2-4-10-R
DGAM-3-01-10R
DGAM-5-10R
DGC-06-B-60
DGC-06-C-60
DGC-06-F-60
DGC-06-FV-60
DGC5-060A-C-M-FW-B5-80
DGFN-06-50
DGMA-2-B-10
DGMA-2-C2-10
DGMA-3-0-10
DGMA-3-B-10
DGMA-3-C1-10
DGMA-3-C2-10
DGMA-3-T1-10B
DGMA-3-T2-10B
DGMA-5-B-10EILP
DGMA-5-C1-10
DGMA-5-C2-10
DGMA-5-T1-10B
DGMA-5-T2-10B
DGMA-5-T3-10B
DGMC2-2-AB-GW-BA-GW-10
DGMC2-2-AT-CW-BT-CW-10
DGMC2-2-AT-FW-BT-FW-10
DGMC2-2-AT-GW-BT-GW-10
DGMC2-3-AB-AW-BA-AW-41
DGMC2-3-AB-AW-BA-CW-41
DGMC2-3-AB-BH-BA-BH-41
DGMC2-3-AB-BK-BA-BK-41
DGMC2-3-AB-BW-BA-BW-41
DGMC2-3-AB-BW-BA-CW-41
DGMC2-3-AB-CH-BA-CH-41
DGMC2-3-AB-CK-BA-CK-41
DGMC2-3-AB-CW-BA-BW-41
DGMC2-3-AB-CW-BA-CW-41
DGMC2-3-AB-CW-BA-CW-41-EN103
DGMC2-3-AB-CW-BA-CW-41-EN104
DGMC2-3-AB-CW-BA-CW-41-EN48
DGMC2-3-AB-CW-BA-CW-41-EN74
DGMC2-3-AB-CW-BA-GW-41
DGMC2-3-AB-GH-BA-GH-41
DGMC2-3-AB-GW-BA-BW-41
DGMC2-3-AB-GW-BA-CW-41
DGMC2-3-AB-GW-BA-GW-41
DGMC2-3-AT-AW-BT-AW-41
DGMC2-3-AT-BH-BT-BH-41
DGMC2-3-AT-BW-BT-BW-41
DGMC2-3-AT-BW-BT-CW-41
DGMC2-3-AT-BW-BT-GW-41
DGMC2-3-AT-CH-BT-CH-41
DGMC2-3-AT-CW-BT-BW-41
DGMC2-3-AT-CW-BT-CW-41
DGMC2-3-AT-GW-BT-AW-41
DGMC2-3-AT-GW-BT-BW-41
DGMC2-3-AT-GW-BT-CW-41
DGMC2-3-AT-GW-BT-GW-41
DGMC2-5-AB-BH-BA-BH-30
DGMC2-5-AB-BW-BA-BW-30
DGMC2-5-AB-FW-BA-FW-30
DGMC2-5-AB-GH-BA-GH-30
DGMC2-5-AB-GW-BA-GW-30
DGMC2-5-AT-BH-BT-BH-B-30
DGMC2-5-AT-BW-BT-BW-B-30
DGMC2-5-AT-FW-BT-FW-B-30
DGMC2-5-AT-GH-BT-GH-B-30
DGMC2-5-AT-GW-BT-GW-B-30
DGMC-2-AB-BW-10
DGMC-2-AT-FW-10
DGMC-2-PT-BW-10
DGMC-2-PT-CW-10
DGMC-2-PT-FW-10
DGMC-2-PT-GW-10
DGMC-3-AB-BW-41
DGMC-3-AB-CH-41
DGMC-3-AB-CW-41
DGMC-3-AB-GW-41
DGMC-3-AT-AW-41
DGMC-3-AT-AW-B-41
DGMC-3-AT-BW-41
DGMC-3-AT-BW-B-41
DGMC-3-AT-CH-41
DGMC-3-AT-CW-41
DGMC-3-AT-CW-B-41
DGMC-3-AT-GW-41
DGMC-3-AT-GW-B-41
DGMC-3-BA-AW-41
DGMC-3-BA-BW-41
DGMC-3-BA-CK-41
DGMC-3-BA-CW-41
DGMC-3-BA-GW-41
DGMC-3-BT-AW-41
DGMC-3-BT-BW-41
DGMC-3-BT-CH-41
DGMC-3-BT-CK-41
直動(dòng)減泄壓閥 32
PRDB-LAN 流量40L/min 插孔T-11A
PRFB-LAN 流量80L/min 插孔T-2A
PRHB-LAN 流量160L/min 插孔T-17A
PRJB-LAN 流量320L/min 插孔T-19A
導(dǎo)壓操作減泄壓閥, 外部排油 33
PVDA-LAN 流量40L/min 插孔T-21A
PVFA-LAN 流量80L/min 插孔T-22A
PVHA-LAN 流量160L/min 插孔T-23A
PVJA-LAN 流量320L/min 插孔T-24A
導(dǎo)壓操作減泄壓閥, 外部透氣 34
PVDB-LAN 流量40L/min 插孔T-21A
PVFB-LAN 流量80L/min 插孔T-22A
PVHB-LAN 流量160L/min 插孔T-23A
PVJB-LAN 流量320L/min 插孔T-24A
導(dǎo)壓操作減壓閥, 氣控型 35
PBFC-ABN 流量80L/min 插孔T-2A
PBHC-BBN 流量160L/min 插孔T-17A
PBJC-BBN 流量320L/min 插孔T-19A
導(dǎo)壓操作減泄壓閥, 氣控型 36
PPFC-ABN 流量80L/min 插孔T-2A
PPHC-BBN 流量160L/min 插孔T-17A
PPJC-BBN 流量320L/min 插孔T-19A
DS5JB-S8/10N-A240-60K6
DS5JB-S9/10N-A240-60K6
DS5JB-S10/10N-A240-60K6
DS5JB-S11/10N-A240-60K6
DS5JB-S18/10N-A240-60K6
DS5JB-SA1/10N-A240-60K6
DS5JB-SA2/10N-A240-60K6
DS5JB-SA3/10N-A240-60K6
DS5JB-SA4/10N-A240-60K6
DS5JB-TA/10N-A240-60K6
DS5JB-TA02/10N-A240-60K6
DS5JB-RK/10N-A240-60K6
DS5JB-TA23/10N-A240-60K6
DS5JB-TB23/10N-A240-60K6
DS5JB-SB1/10N-A240-60K6
DS5JB-SB2/10N-A240-60K6
DS5JB-SB3/10N-A240-60K6
DS5JB-SB4/10N-A240-60K6
DS5JB電磁閥型號:
DS5JB-S1/10N-A120-60K6
DS5JB-S2/10N-A120-60K6
DS5JB-S3/10N-A120-60K6
DS5JB-S4/10N-A120-60K6
DS5JB-S5/10N-A120-60K6
DS5JB-S6/10N-A120-60K6
DS5JB-S7/10N-A120-60K6
DS5JB-S8/10N-A120-60K6
DS5JB-S9/10N-A120-60K6
DS5JB-S10/10N-A120-60K6
DS5JB-S11/10N-A120-60K6
DS5JB-S18/10N-A120-60K6
DS5JB-SA1/10N-A120-60K6
DS5JB-SA2/10N-A120-60K6
DS5JB-SA3/10N-A120-60K6
DS5JB-SA4/10N-A120-60K6
DS5JB-TA/10N-A120-60K6
DS5JB-TA02/10N-A120-60K6
DS5JB-RK/10N-A120-60K6
DS5JB-TA23/10N-A120-60K6
DS5JB-TB23/10N-A120-60K6
DS5JB-SB1/10N-A120-60K6
CRE-250/20V-D24K1
CRE-140/20V-D24K1
DSE5電磁閥:
DSE5-C30/10N-D12K1/10
DSE5-C60/10N-D12K1/10
DSE5-A30/10N-D12K1/10
DSE5-A60/10N-D12K1/10
DSE5-C30SA/10N-D12K1/10
DSE5-C60SA/10N-D12K1/10
DSE5-A30SA/10N-D12K1/10
DSE5-A60SA/10N-D12K1/10
DSE5-C30SB/10N-D12K1/10
DSE5-C60SB/10N-D12K1/10
DSE5-A30SB/10N-D12K1/10
DSE5-A60SB/10N-D12K1/10
DSE5-C30/10N-D24K1/10
DSE5-C60/10N-D24K1/10
DSE5-A30/10N-D24K1/10
DSE5-A60/10N-D24K1/10
DSE5-C30SA/10N-D24K1/10
DSE5-C60SA/10N-D24K1/10
DSE5-A30SA/10N-D24K1/10
DSE5-A60SA/10N-D24K1/10
DSE5-C30SB/10N-D24K1/10
DSE5-C60SB/10N-D24K1/10
DSE5-A30SB/10N-D24K1/10
DSE5-A60SB/10N-D24K1/10
DT03電磁閥:
DT03-3A/D08/10/12V-CC
DT03-3B/D08/10/12V-CC
DT03-3C/D08/10/12V-CC
DT03-3D/D08/10/12V-CC
DT03-2E/D08/10/12V-CC
DT03-2F/D08/10/12V-CC
DT03-2G/D08/10/12V-CC
DT03-2H/D08/10/12V-CC
DT03-3A/D10/10/12V-CC
DT03-3B/D10/10/12V-CC
DT03-3C/D10/10/12V-CC
DT03-3D/D10/10/12V-CC
DT03-2E/D10/10/12V-CC
經(jīng)營產(chǎn)品:閥類:電磁閥、換向閥、單向閥、溢流閥、減壓閥、平衡閥、插裝閥、比例閥等
泵類:齒輪泵、柱塞泵、葉片泵等
電子元器件:放大器、壓力繼電器、壓力傳感器等
阿托斯電磁閥現(xiàn)貨
SDHE-0631/2-X24DC
SDHE-0631/2 10S
SDHE-0631/2-X 24DC
SDHE-0713/2-X24DC
SDHE-0713/2 10S
SDHE-0713/2-X 24DC
SDHE-0711/2-X24DC
SDHE-0711/2 10S
SDHE-0711/2-X 24DC
SDHE-0711 10S
SDHE-0610-X 24DC
SDHE-0631/2/A-X 00 10S
SDHE-0631/2/A-X 24DC 10S
SDHE-0631/2/A-X 28DC 10S
SDHE-0631/2-X 00
SDHE-0631/2-X 230/50/60AC
SDHE-0631/2-X 24DC
SDHE-0639/C-X 24DC
SDHE-0639/O-X 00
SDHE-0639/O-X 24DC
SDHE-0711-X 230/50/60AC
SDHE-0711-X 24DC
SDHE-0711-X 24DC 10S
SDHE-0711-X 28DC 10
SDHE-0711-X 28DC 10S
SDHE-0713P-X 24DC
SDHE-0713P-X 24DC 10S
SDHE-0713-X 00 10S
SDHE-0713-X 24DC
SDHE-0713-X 24DC 10S
SDHE-0713-X 28DC 10
SDHE-0713-X 28DC 10S
阿托斯現(xiàn)貨
電磁換向閥 SDHE-0610-24DC
電磁換向閥 SDHE-0611-24DC
電磁換向閥 SDHE-0630/2-X24DC
電磁換向閥 SDHE-0631/2-X24DC
電磁換向閥 SDHE-0631/2-X230AC
電磁換向閥 SDHE-0632/2-X24DC
電磁換向閥 SDHE-0639/0-X24DC
電磁換向閥 SDHE-0710-X24DC
電磁換向閥 SDHE-0710-X230AC
電磁換向閥 SDHE-0711X24DC
電磁換向閥 SDHE-0711X230AC
電磁換向閥 SDHE-0713X24DC
電磁換向閥 SDHE-0713X230AC
電磁換向閥 SDHE-0751/2X24DC
電磁換向閥 SDKE-1611-X24DC
電磁換向閥 SDKE-1631/2-X24DC
電磁換向閥 SDKE-1631/2-X230AC
電磁換向閥 SDKE-1711-X24DC
電磁換向閥 SDKE-1711-X230AC
電磁換向閥 SDKE-1713-X24DC
電磁換向閥 SDKE-1713-X230AC
電磁換向閥 SDKE-1714-X24DC
電磁換向閥 SDKE-1714-X230AC
電磁換向閥 SDKE-1751/2-X24DC
電磁換向閥 SDKE-1751/2-X230AC