迪普马齿轮泵GP2-0140R97F/20N

齿轮泵是一种常用的液压泵,它的主要特点是结构简单,制造方便,价格低廉,体积小,重量轻,自吸性好,对油液污染不敏感,工作可靠;其主要缺点是流量和压力脉动大,噪声大
德国REXROTH力士乐、外啮合齿轮泵、全系列产品
齿轮泵是一种常用的液压泵,它的主要特点是结构简单,制造方便,价格低廉,体积小,重量轻,自吸性好,对油液污染不敏感,工作可靠;其主要缺点是流量和压力脉动大,噪声大,排量不可调。齿轮泵被广泛地应用于采矿设备,冶金设备,建筑机械,工程机械,农林机械等各个行业。

齿轮泵按照其啮合形式的不同,有外啮合和内啮合两种,其中外啮合齿轮泵应用较广,而内啮合齿轮泵(Internal Gear Pump)则多为辅助泵,下面分别介绍。

外啮合齿轮泵的结构及工作原理 Operation of the External Gear Pump

外啮合齿轮泵的工作原理和结构如图所示。泵主要由主、从动齿轮,驱动轴,泵体及侧板等主要零件构成。

迪普马(DUPLOMATIC)产品
VR2-I1,VR5-I1,,VR2-I3,VR5-I3,VR7-I3,VR2-I4,VR5-I4,VR7-I4,VD2-W,VD3-W,VD4-W,VD5-W,VD6-W,VD7-W,
VD8-W,VD9-W,VR3-P1,VR3-P3,VR3-P4,VR5-P1,VR5-P3,VR5-P4,VR7-P1,VR7-P3,VR7-P4,MVR1-SP,MVR1-SA,MVR1-SB,
MVR1-ST,MVR1-SPT,MVR3-SP,MVR3-SA,MVR3-SB,MVR3-ST,MVR3-SPT,MVR-RS/P/50,MVPP-SA,MVPP-SB,MVPP-D,VPP4M-SA,
VPP4M-SB,VPP4M-D,CHM7-D,CHM7-SA,CHM7-SB,VP3-W2P-MU,VP5-W2P-MU,VP3-W3P-MU,VP5-W3P-MU,VP3-P2P-MU,VP5-P2P-MU

销售DUPLOMATIC迪普马液压元件,DUPLOMATIC迪普马系列叶片泵,DUPLOMATIC迪普马电磁阀,柱塞泵,电磁阀

,叠加阀.适用冶金,电力,工厂自动化,机床,产业机械,供水等领域

VPPM-029PC-R55S/10N000
VPPM-029PCR-R55S/10N000
VPPM-029PCM-R55S/10N000
VPPM-029PCX-R55S/10N000
VPPM-029PQC-R55S/10N000
VPPM-029PQNC-R55S/10N000
VPPM-029PC-L55S/10N000
VPPM-029PCR-L55S/10N000
VPPM-029PCM-L55S/10N000
VPPM-029PCX-L55S/10N000
VPPM-029PQC-L55S/10N000
VPPM-029PQNC-L55S/10N000
VPPM-029PC-L00S/10N000
VPPM-029PCR-L00S/10N000
VPPM-029PCM-L00S/10N000
VPPM-029PCX-L00S/10N000
VPPM-029PQC-L00S/10N000
VPPM-029PQNC-L00S/10N000
VPPM-029PC-R00S/10N000
VPPM-029PCR-R00S/10N000
VPPM-029PCM-R00S/10N000
VPPM-029PCX-R00S/10N000
VPPM-029PQC-R00S/10N000
VPPM-029PQNC-R00S/10N000
VPPM-029PC-L01S/10N000
VPPM-029PCR-L01S/10N000
VPPM-029PCM-L01S/10N000
VPPM-029PCX-L01S/10N000
VPPM-029PQC-L01S/10N000
VPPM-029PQNC-L01S/10N000
VPPM-029PC-R01S/10N000
VPPM-029PCR-R01S/10N000

工作压力:输入马达油液的实际压力,其大小决定于马达的负载。
马达进口压力与出口压力的差值称为马达的压差。
额定压力:按试验标准规定,使马达连续正常工作的最高压力。
排量:VM (m/rad)
不计泄漏时的流量称理论流量qMt,考虑泄漏流量为实际流量qM。
容积效率ηMv:理论输入流量与实际输入流量的比值,
在不计马达的损失情况下,其输出功率等于输入功率.
实际转矩T:由于马达实际存在机械损失而产生损失扭矩ΔT,使得比理论扭矩Tt小,即马达的机械效率ηMm:等于马达的实际输出扭矩与理论输出扭矩的比.
马达实际输入功率为pqM,实际输出功率为Tω.
马达总效率 ηM:实际输出功率与实际输入功率的比值.
VPPM-029PCM-R01S/10N000
VPPM-029PCX-R01S/10N000
VPPM-029PQC-R01S/10N000
VPPM-029PQNC-R01S/10N000
VPPM-029PC-L00T/10N000
VPPM-029PCR-L00T/10N000
VPPM-029PCM-L00T/10N000
VPPM-029PCX-L00T/10N000
VPPM-029PQC-L00T/10N000
VPPM-029PQNC-L00T/10N000
VPPM-029PC-R00T/10N000
VPPM-029PCR-R00T/10N000
VPPM-029PCM-R00T/10N000
VPPM-029PCX-R00T/10N000
VPPM-029PQC-R00T/10N000
VPPM-029PQNC-R00T/10N000
VPPM-029PC-L01T/10N000
VPPM-029PCR-L00T/10N000
VPPM-029PCM-L01T/10N000
VPPM-029PCX-L01T/10N000
VPPM-029PQC-L01T/10N000
VPPM-029PQNC-L01T/10N000
VPPM-029PC-L01S/10N000
VPPM-029PCR-L00T/10N000
VPPM-029PCM-L01T/10N000
VPPM-029PCX-L01T/10N000
VPPM-029PQC-L01T/10N000
VPPM-029PQNC-L01T/10N000
MPPE-3-1/8-1-010-B
MPPE-3-1/8-6-010-B
MPPE-3-1/8-10-010-B
MPPE-3-1/8-1-420-B
MPPE-3-1/8-6-420-B
MPPE-3-1/8-10-420-B
MPPE-3-1/4-1-010-B
MPPE-3-1/4-6-010-B
MPPE-3-1/4-10-010-B
MPPE-3-1/4-1-420-B
MPPE-3-1/4-6-420-B
MPPE-3-1/4-10-420-B
MPPE-3-1/2-1-010-B
MPPE-3-1/2-6-010-B
MPPE-3-1/2-10-010-B
MPPE-3-1/2-1-420-B
MPPE-3-1/2-6-420-B
MPPE-3-1/2-10-420-B
MPPE-3-1/8-2,5-010-B
MPPE-3-1/8-2,5-420-B
MPPE-3-1/4-2,5-010-B
MPPE-3-1/4-2,5-420-B
MPPE-3-1/2-2,5-010-B
MPPE-3-1/2-2,5-420-B
MPPE-3-1/8- -B
MPPE-3-1/4- -B
MPPE-3-1/2- -B
MPPES-3-1/2-10-010
MPPES-3-1/2-10-420
MPPES-3-1/2-2-010
MPPES-3-1/2-2-420
MPPES-3-1/2-6-010
MPPES-3-1/2-6-420
MPPES-3-1/2-PU-PO-010
MPPES-3-1/4-10-010
MPPES-3-1/4-10-420
MPPES-3-1/4-2-010
MPPES-3-1/4-2-420
MPPES-3-1/4-6-010
MPPES-3-1/4-6-420
MPPES-3-1/4-PU-PO-010
MPPES-3-1/8-PU-PO-010
MPPES-3-1/8-10-010
MPPES-3-1/8-10-420
MPPES-3-1/8-2-010
MPPES-3-1/8-2-420
MPPES-3-1/8-6-010
MPPES-3-1/8-6-420
MPPES-3-1/2-PU-PO-420
MPPES-3-1/4-PU-PO-420
MPPES-3-1/8-PU-PO-420
VPPE-3-1/8-6-010
VPPM-6L-L-1-N18-0L2H-V1N-S1
VPPM-6L-L-1-N18-0L6H-V1N-S1
VPPM-6L-L-1-N18-0L10H-V1N-S1
VPPM-6L-L-1-N18-0L2H-A4N-S1
VPPM-6L-L-1-N18-0L6H-A4N-S1
VPPM-6L-L-1-N18-0L10H-A4N-S1
VPPM-6L-L-1-N18-0L2H-V1N
VPPM-6L-L-1-N18-0L6H-V1N
VPPM-6L-L-1-N18-0L10H-V1N
VPPM-6L-L-1-N18-0L2H-A4N
VPPM-6L-L-1-N18-0L6H-A4N
VPPM-6L-L-1-N18-0L10H-A4N
VPPM-6L-L-1-G18-0L2H-V1N-S1
VPPM-6L-L-1-G18-0L6H-V1N-S1
VPPM-6L-L-1-G18-0L10H-V1N-S1
VPPM-6L-L-1-G18-0L2H-A4N-S1
VPPM-6L-L-1-G18-0L6H-A4N-S1
VPPM-6L-L-1-G18-0L10H-A4N-S1
VPPM-6L-L-1-G18-0L2H-V1N
VPPM-6L-L-1-G18-0L6H-V1N
VPPM-6L-L-1-G18-0L10H-V1N
VPPM-6L-L-1-G18-0L2H-A4N
VPPM-6L-L-1-G18-0L6H-A4N
VPPM-6L-L-1-G18-0L10H-A4N
VPPM-6F-L-1-F-0L2H-V1N-S1
VPPM-6F-L-1-F-0L6H-V1N-S1
VPPM-6F-L-1-F-0L10H-V1N-S1
VPPM-6F-L-1-F-0L2H-A4N-S1
VPPM-6F-L-1-F-0L6H-A4N-S1
VPPM-6F-L-1-F-0L10H-A4N-S1
VPPM-6F-L-1-F-0L2H-V1N
VPPM-6F-L-1-F-0L6H-V1N
VPPM-6F-L-1-F-0L10H-V1N
VPPM-6F-L-1-F-0L2H-A4N
VPPM-6F-L-1-F-0L6H-A4N
VPPM-6F-L-1-F-0L10H-A4N11
VPP4M-SB/40
CHM7-D/10N
PTH-250/20E0-K10
MD1D-TA/50-24V-CC
MD1D-S2/50-24V-CC
MD1D-2TA/50-24V-CC
P2D-M5/32
MD1D-S3/55 MD1D-S1/55
MD1D-TA/55 D4D-S3/50 DS5-S3
MD1D-S4/55 MD1D-S2/53
MD1-TA/55 RM45/MP CRQ
MD1D-S1/50 MD1D-RK/50
MD1D-S3/50
MD1D-S6/55-230VAC DS3-S10/10N DS5-S10/12N-D24K1
MD1D-S10/50-24VDC MD1D-S10/55-230VAC DS3-S11/10N DS5-S11/12N-D24K1
MD1D-S11/50-24VDC MD1D-S11/55-230VAC DS3-TA/10N DS5-SA1/12N-D24K1
MD1D-TA/50-24VDC MD1D-TA/55-230VAC DS3-TC/10N DS5-SB1/12N-D24K1
MD1D-TC/50-24VDC MD1D-TC/55-230VA
MD1D-S2/55-230VAC DS3-S2/10N DS5-S2/12N-D24K1
MD1D-S3/50-24VDC MD1D-S3/55-230VAC DS3-S3/10N DS5-S3/12N-D24K1
MD1D-S4/50-24VDC MD1D-S4/55-230VAC DS3-S4/10N DS5-S4/12N-D24K1
MD1D-S6/50-24VDC
MD1D-S1/50-24VDC MD1D-S1/55-230VAC DS3-S1/10N DS5-S1/12N-D24K1
MD1D-S2/50-24VDC
C07P23-TA/E/D/14 DUPLOM.
MR1P4-TA/21 DISTRIB.NG06 AZI ONE MECC.
MH1P4-TAK/20
DSH5-TAK23/10N DUPLOMATIC
E5P4-S3/34-230V-50HZ
2/E5P4-S12/E/34 110V/50 DUPL
E5P4-S1/34-230V-50HZ
E5P4-S1/D/34-24VCC
E5P4-S12/34-24VCC DUPLOM.
E5P4-S3/D/34-24VCC
E5P4-S11/D/34-24VCC
E5P4-1TA/D/34-24VCC DUPLOM.
E5P4-S3/I/34-12VCC DUPLOM.
E5P4-S6/D/34-24VCC
E5P4-S12/AB10/34-24VCC
2/E5P4-S12/E/34-24VCC
E5P4-S2/E/40N-D24K1
E5P4-RK/EI/40N-D24K1
E5P4-RK/40N-D24K1
E5P4-S4/EI/40N-D24K1
E07P4-TA 110V/50CA CETOP07
E07P4-S3 110V/50CA CETOP07
E07P4-S4 24VCC CETOP07
E07P4-S1 24VCC CETOP07
E07P4-TA 24VCC CETOP07
E07P4-S3 24VCC CETOP07
E07P4-S4/E 24VCC CETOP07
MD1L-S1/10N-D24K1 DUPLOM.
MD1L-S3/10N-D12K1
MD1L-S4/10N-D12K1 DUPLOM.
MD1L-S4/10N-D24K1 DUPLOM.
MD1L-4TA/10N-D12K1 DUPLOM.
MD1L-S3/10N D00
MD1L-S42/10N-D12K1
MD1L-2TA/10N-D00 C.C.
MD1M-TA/10-24VCC DUPLOM.
MD1K-S3/20N-D24K5 DUPLOM.
E4P4-S1DI 43 24VCC DUPLOM.
E4P4-S1/I/50N-D24K1
E4P4-S4EI/50N-D24K1
E4P4-S2/E/50N-D24K1
MD1D-S1/50 12VCC DUPLOM.
MD1D-S2/50 24VCC DUPLOM.
MD1D-S3/50 12VCC DUPLOM.
MD1D-S4/50 12VCC DUPLOM.

MD1D-S6/50-24VCC
MD1D-S11/50 24VCC DUPLOM.
MD1D-RK/50 24VCC DUPLOM.
MD1D-RK002/50-24V-CC
MD1D-TA/50 24VCC DUPLOM.
MD1D-TC/50 24VCC DUPLOM.
MD1D-TA002/50 24VCC DUPLOM.
MD1D-S4/50 24VCC DUPLOM.
MD1D-S3/50 24VCC DUPLOM.
MD1D-S1/50 24VCC DUPLOM.
MD1D-1TA/50-24VCC DUPLOM.
MD1D-TA/50 12VCC DUPLOM.
MD1D-2TA/50 24VCC DUPLOM.
MD1D23-TC/50 24VCC DUPLOM.
MD1D-S2/50 12VCC DUPLOM.
MD1D-2TA/50 12VCC DUPLOM.
MD1D-RK/50 SENZA BOB.- CC
MD1D-TC/50 12VCC DUPLOM.
MD1D-S1/50 SENZA BOB.- CC
MD1D-TA/50 SENZA BOB.- CC
MDD44-S1/50 24VCC
MD1D-23TA/50 24VCC DUPLOM.
MD1D-RK/50 12VCC DUPLOM.
MD1D-1TC/50 24VCC DUPLOM.
MD1D-2TC/50 24VCC DUPLOMATIC
MD1D-2TC/50 12VCC DUPLOMATIC
MD1D-S1/50-12VCC/CM DUPLOM.
MD1D-2TA/50-12VCC/CM DUPLOM.
MD1D-2TA/50 SENZA BOB.- CC
MD1D-S3/50 SENZA BOB.- CC
MD1D-S4/50 SENZA BOB.- CC
MD1D-RK/50-24VCC/CM
MD1D-S2/50 SENZA BOB. C.C.
MD1D-23TA/50 SENZA BOB.C.C.
MD1D-TC002/50 24VCC DUPLOM.
MD1D-TC/50 SENZA BOB.-C.C.
MD1D-S6/50 12VCC
MD1D23-TC/50 SENZA BOBINA
MD1D-S366/50 24VCC DUPLOM.
MD1D-RK/50-110V-CC
MD1D-3TC18/50 24VDC DUPL.
MD1D-1TA/50-24VCC/CM DUPL.
MD1D-TA002/50 SENZA BOB.C.C.
MD1D-S1/50-24V-CCR
MD1D-TA/50-24V-CC/V/CM

MD1D-RK002/50-24V SENZA BOBI NE
MD1D-TC10/50 SENZA BOB.CC
MD1D-S1/55 110V/50CA DUPLOM.
MD1D-S1/55 220V/50CA DUPLOM.
MD1D-S1/55 24V/50CA DUPLOM.
MD1D-S2/55 110V/50CA DUPLOM.
MD1D-S2/55 220V/50CA DUPLOM.
MD1D-S2/55 24V/50CA DUPLOM.
MD1D-S3/55 110V/50CA DUPLOM.
MD1D-S3/55 220V-50CA DUPLOM.
MD1D-S3/55 24V/50CA DUPLOM.
MD1D-S4/55 110V/5OCA DUPLOM.
MD1D-S4/55 220V/50CA DUPLOM.
MD1D-S4/55 24V/50CA DUPLOM.
MD1D-RK/55 110V/50CA DUPLOM.
MD1D-RK/55 230V/50HZ
MD1D-TA/55 110V/50CA DUPLOM.
MD1D-TA/55-230V-50HZ
MD1D-TA/55 24V/50CA DUPLOM.
MD1D-TC/55 110V/50CA DUPLOM.
MD1D-2TA/55 110V/50CA DUPLOM
MD1D-2TA/55 24V/50CA DUPLOM.
MD1D-23TA/55 110V/50CA DUPL.
MDD44-S1/55 110V/50HZ C.A.
MDD44-1TA/55 110V/50HZ C.A.
MDD44-TA/55 110V/50HZ C.A.
MD1D-S1/55 SENZA BOB.- C.A.
MD1D-S4/55 SENZA BOB.- C.A.
MD1D-2TA/55 SENZA BOB.-C.A.
MD1D-1TA/55 SENZA BOB.CA.
MD1D-TC/55 SENZA BOB.- C.A.
MD1D-23TA/55 SENZA BOB. C.A.
MD1D-S3/55 SENZA BOB.- C.A.
MD1D-S2/55 SENZA BOB.- C.A.
MDD44-S1/55 SENZA BOB.- C.A.
MDD44-1TA/55 SENZA BOB.-C.A.
MD1D-TA/55 SENZA BOB.- C.A.
MD1D-RK/55 SENZA BOB.- C.A.
MD1D-S3/55-230V-50HZ/CM DUPL
MD1D-S8/55-SENZA BOB.C.A.
MD1D-S2/55 24V/60CA DUPLOM.
MDD44-TC/55 SENZA BOB.- C.A.
MDT-SA1/10 24VCC
MDT-SA1/10-110/50 C.A.

DT03-2E/10-24VCC CET03 DUPL.
MD1D-S6/50-24VCC
MD1E-121TA/51-24/CM/V
DS5-S3/12N-A110K1
DS5-S3/12N-A00 SENZA BOB.C.A
DS5-TB/10N-A00 SENZA BOB.C.A
DS3-S3/10N-A110K1
DS3-S1/10N-A110K1
DS3-S4/10N-A00 SENZA BOB. C.A.
DS3-SA1/10N-A00 SENZA BOB. C.A.
DS3-TB/10N-A00 SENZA BOB. C.A.
DS3-RK/10N-D00 SENZA BOB. C.C.
DS3-TB23/10N-A00 SENZA BOB.
DS3-SB1/10N-A00 SENZA BOB.C.A.
DS3-SB11/10N-A00 SENZA BOB.CA
DS3-S2/10N-D12K1/CM
DS3-S21/10N-D00-CC SENZA BOB
DS3-RK/10N-A230K1
DS3-S2/10N-A00-CA SENZA BOB.
DS3-S2/10N-A24K1 C.A.
DS3-S3/10N-A00-CA SENZA BOB.
DS3-S1/10N-D24K1
DS3-S1/10N-D00-CC
DS3-S4/10N-A110K1
DS3-S2/10N C.C. SENZA BOB.
DS3-S3/10N-D00-CC SENZA BOB.
DS3-S4/10N-D00 SENZA BOB.C.C.
DS3-TB/10N-D110K1 110V C.C.
DS3-TA/10N-D00-CC SENZA BOB.
DS3-TB/10N-D00-CC SENZA BOB
DS3-RK/10N-D110K1 C.C.
DS3-TA/10N-A00-CA SENZA BOB.
DS3-SA2/10N-D00-CC SENZA BOB
DS3-S1/10N-D12K1/CM
DS3-TB/10N-110 C.A.
DS3-RK/10N-A00 SENZA BOB.C.A.
DS3-RK/10N-A110K1 C.A.
DS3-SA2/10N-D12K1/CM
DS3-RK/10N-D24K1 C.C.
DS3-SA2/10N-A00-CA SENZA BOB
DS3-S1/10N-A00-CA SENZA BOB.
DS5-S1/10N-D24K1 DUPLOM.
DS5-S4/10N-D12K1 DUPLOM.
DS5-TA/10N-D24K1 DUPLOM.
DS5-S3/10N-D24K1 DUPLOM.
DS5-S4/10N-D24K1 DUPLOM.
DS5-TA/10N-D12K1 DUPLOM.
DS5-TA/10N-A24-50K1 DUPLOM.
DS5-TA/10N-A110-50K1 DUPLOM.
DS5-TA/10N-A230-50K1 DUPLOM.
DS5-S1/10N-D12K1 DUPLOM.
DS5-S1/10N-A24-50K1 DUPLOM.
DS5-S1/10N-A110-50K1 DUPLOM.
DS5-S1/10N-A230-50K1 DUPLOM.
DS5-SA2/10N-D12K1 DUPLOM.
DS5-SA2/12N-D24K1 DUPLOM.
DS5-RK/10N-D24K1 DUPLOM.
DS5-RK/10N-A110-50K1 DUPLOM.
DS5-S2/10N-D12K1 DUPLOM.
DS5-S2/10N-D24K1 DUPLOM.
DS5-S2/10N-A110-50K1 DUPLOM.
DS5-S2/10N-A230-50K1 DUPLOM.
DS5-S3/10N-D12K1 DUPLOM.
DS5-S3/10N-A110-50K1 DUPLOM.
DS5-S3/10N-A230-50K1 DUPLOM.
DS5-S4/10N-A110-50K1 DUPLOM.
DS5-S4/10N-A230-50K1 DUPLOM.
DS5-S6/10N-A110-50K1 DUPLOM.
DS5-SB1/11N-A110K1 C.A.
DS5-TA23/10N-D24K1 DUPLOM.
DS5-RK/10N-A230-50K1 DUPLOM.
DS5-SB1/12N-D24K1 DUPLOM.
DS5-TB23/10N-D24K1 DUPLOM.
DS5-S1/10N-D00 SENZA BOB. CC
DS5-S1/10N-A00 SENZA BOB.C.A .
DS5-S2/10N-D00 SENZA BOB.C.C
DS5-S3/10N-D00 SENZA BOB.C.C
DS5-S4/10N-D00 SENZA BOB. CC
DS5-S4/10N-A00 SENZA BOB.C.A
DS5-TA/10N-D00 SENZA BOB.C.C
DS5-TA/11N-A00 SENZA BOB.C.A
DS5-RK/10N-D00 SENZA BOB.C.C

关于迪普马
意大利DUPLOMATIC公司自1952年进入液压领域以来。由于不断的追求技术创新、严格的质量管理和快捷的售货服务,从而使迪普马成为了意大利乃至全世界液压领域知名品牌。
意大利迪普马公司开发的所有泵和阀不仅满足国际标准(ISO4401、DIN、SAE等),与其他液压品牌有着良好的互换性;而且还能满足严酷的环境要求。其极限温度产品(使用温度低达-40C,高温达到150C),更是在环境要求严格的太阳能和风能领域进行了广泛应用。

迪普马DUPLOMATIC电磁阀,迪普马DUPLOMATIC比例阀,迪普马DUPLOMATIC溢流阀,迪普马DUPLOMATIC调节阀,迪普马DUPLOMATIC液压阀,DUPLOMATIC solenoid valve ,迪普马换向阀,迪普马电磁阀,Bosch电磁阀,Bosch液压阀,Bosch气动阀,DUPLOMATIC液压元件,迪普马DUPLOMATIC节流阀,DUPLOMATIC迪普马截止阀,Bosch迪普马 DUPLOMATIC单向阀,DUPLOMATIC流量阀,DUPLOMATIC比例溢流阀,迪普马换向阀,Bosch迪普马DUPLOMATIC压力阀,Bosch迪普马DUPLOMATIC迪普马比例阀,比例阀, Bosch迪普马DUPLOMATIC迪普马高频响阀和伺服阀,Bosch迪普马DUPLOMATIC迪普马先导式比例方向阀,Bosch迪普马DUPLOMATIC迪普马直动式比例方向阀,迪普马比例流量控制阀,迪普马高频响方式阀,迪普马伺服阀