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Manage the enlarged version EEA-PAM-533-C-33 of EATON Vickers now
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Our brands: German HAWE, SUNFAB piston pumps, American VICKERS, German REXROTH, German HYDAC, Swiss BIERI, Swiss WANDFLUH, MOOG, Bucher and other hydraulic components. If you have the above needs, we look forward to your inquiry!!!
Proportional valve power amplifier
EEA-PAM-513-A-33 KCG-3, 1* series
KCG-6/8, 1* series
KX(C) G-6/8, 1* series
EEA-PAM-523-A-33 KTG4V-3 H 6* series
KDG4V-3 H 6* series
KDG5V-5/7/8, 1* series
EEA-PAM-525-A-33 KTG4V-5 H 3* series
KDG4V-5 H 3* series
EEA-PAM-533-A-33 KFTG4V-3, 2* series
KFDG4V-3, 2* series
EEA-PAM-535-A-33 KFTG4V-5, 2* series
KFDG4V-5, 2* series
EEA-PAM-541-A-33 KHDG5V-5/7/8, 3* series
With zero lap main spool
EEA-PAM-553-A-33 KSDG4V-3, 1* series
EEA-PAM-561-A-33 KFDG5V-5, 3* series
KFDG5V-7, 1* series
EEA-PAM-568-A-33 KFDG5V-8, 1* series
EEA-PAM-571-A-33 CVU - - EFP1-3 *
EEA-PAM-581-A-33 KHDG5V-5/7/8, 3* Series
Model Code
2
Valve Amplifier Model
EEA-PAM-513-D-32
EEA-PAM-523-D-32
EEA-PAM-525-D-32
EEA-PAM-533-D-32
EEA-PAM-535-D-32
EEA-PAM-541-D-32
EEA-PAM-553-D-32
EEA-PAM-561-D-32
EEA-PAM-568-D-32
EEA-PAM-571-D-32
EEA-PAM-581-D-32
KCG-3, KCG-6/8
KX (C) G-6/8
K*G4V-3, KDG5V-5/7/8
K*G4V-5
KF*G4V-3
KF*G4V-5
KHDG5V-5/7/8 with zerolapped mainspool
KSDG4V-3
KFDG5V-5/7
KFDG5V-8
CVU - - EFP1
KHDG5V-5/7/8
The main differences between proportional valves and servo valves are mainly reflected in the following points:
1. Different driving devices. The driving device of a proportional valve is a proportional electromagnet; the driving device of a servo valve is a force motor or a torque motor;
2. Different performance parameters. Hysteresis, neutral dead zone, bandwidth, filtration degree, etc. are different. Therefore, the application scenarios are different. Servo valves and servo proportional valves are mainly used in closed-loop control systems, while other types of proportional valves are mainly used in open-loop control systems and closed-loop speed control systems;
2.1 The servo valve has no dead zone in the middle position, while the example valve has a middle dead zone;
2.2 The frequency response (response frequency) of the servo valve is higher, which can reach up to about 200Hz. Generally, the maximum frequency of the example valve is only dozens of Hz;
2.3 The servo valve has higher requirements for hydraulic oil and needs to be filtered; otherwise, it is prone to blockage. The requirements for the example valve are lower;
3. The spool structure and machining accuracy are different. The example valve adopts the spool + valve body structure, and the valve body also serves as the valve sleeve. The servo valve and servo example valve adopt the spool + valve sleeve structure.
4. The types of middle position functions are different. The example directional valve has a middle position function similar to that of an ordinary directional valve, while the middle position function of the servo valve is only O type (E type of Rexroth products).
The disadvantages of the servo valve are: large energy consumption waste, prone to failure, poor anti-pollution ability, high cost, etc. It only has one advantage: the dynamic performance is the best among all hydraulic valveszuiThe highest. Based on this point, servo valves have to be used in occasions with high dynamic requirements, such as the steering gear control of airplanes and rockets, steam turbine speed regulation, etc. For occasions with slightly lower dynamic requirements, proportional valves basically dominate.
Generally speaking, servo systems are all closed-loop control, while proportional valves are used for open-loop control; secondly, there are various types of proportional valves, such as proportional pressure and flow control valves, and their control is more flexible than that of servo valves. From the perspective of their internal structures, servo valves have zero overlap, while proportional valves have a certain dead zone, with lower control accuracy and slower response. However, from the development trend, especially in the aspects of proportional directional flow control valves and servo valves, the difference between the two is gradually narrowing. In addition, the cost of proportional valves is lower than that of servo valves.Vickers Proportional Valve 02-412132 KBFDG5V-7-33C160N-EX-M1-PE7-H1-10
Including proportional valves of EATON Vickers,Stacked valves, PVM pumps, PVQ pumps, cover cartridge valves, threaded cartridge valves, poppet valves, manual valves, non-conventional solenoid valves, etc.!
In addition, we provide all series of products of PARKER Parker, EATON Eaton IH threaded cartridge valves, EATON Eaton INTERNORMEN filtration products, Eaton CHAR-LYNN Char-Lynn motors, Rexroth oil controlPlate valves and threaded cartridge valves, Various series of proportional valves from Bosch Rexroth, 0510 gear pumps, 0511 gear motors, ,SAI motors, ,SUN cartridge valves, etc.
The purpose of using proportional valves is to achieve throttling control of flow in an electronically controlled manner (of course, pressure control can also be achieved through structural modifications). Since it is throttling control, there must be energy loss. The difference between proportional valves and other valves is that their energy loss is greater because it requires a certain amount. There is no strict regulation on the difference between servo valves and proportional valves. As the performance of proportional valves is getting better and gradually approaching that of servo valves, proportional servo valves have emerged in recent years.
The differences between proportional valves and servo valves are mainly reflected in the following points:
1. Different driving devices. The driving device of a proportional valve is a proportional electromagnet; the driving device of a servo valve is a force motor or a torque motor;
2. Different performance parameters. There are differences in hysteresis, neutral dead zone, frequency bandwidth, filtration degree, etc. Therefore, they are used in different applications. Servo valves and servo proportional valves are mainly used in closed-loop control systems, while proportional valves of other structures are mainly used in open-loop control systems and closed-loop speed control systems;
2.1 There is no neutral dead zone in servo valves, while there is a neutral dead zone in proportional valves;
2.2 The frequency response (response frequency) of servo valves is higher, up to 200HzAround, the general zui high of the example valve is dozens of Hz;
2.3 Servo valves have higher requirements for hydraulic oil and need to be filtered. Otherwise, they are prone to blockage. The requirements for example valves are lower;
3. The spool structure and processing degree are different. The example valve adopts the structure of spool + valve body, and the valve body also serves as the valve sleeve. Servo valves and servo example valves adopt the structure of spool + valve sleeve.
DGMFN-7-Y-A2H-B2H-20
F3-DGMFN-7-Y-A2H-B2H-20
DGMC-7-AT-GW-20
DGMX-7-PP-B-W-20
DGMX-7-PP-G-W-20
KDG5V-5-2C90N-T-VM-U-H1-10
KBDG4V-3-33C20N-M1-PE7-H7-10
DG4V-3-0AL-M-S3-FPA5W-DJ2-60
VVP3-100-SPFRM-30-CD103-CK-10
DG4V-2-2A-VM-U-HL6-10
KBCG-3-250D-Z-M2-2-A-PE7-H1-10
DG4V-3-561C-M-U-B6-60
DG4V-5-0BJ-M-S6-U-H6-20
DG4V-5-0A-M-S6-U-H6-20
DG4V-3-2BL-VM-S6-U-H7-60
DG4V-5-0A-H-M-U-G6-20
VVS2-50-RFRM-30-CCW-10/VVS1-25-RRM-30-CCW-10EN5
KDG4V-5-2C50N-M-U-HA7-30
CG5V-8FW-D-M-U-HL5-20-EN16
KBDG4V-5-2C30N-Z-M1-PE7-H7-10
KBDG4V-5-2C50N-Z-M1-PE7-H7-10
KBDG4V-5-2C65S-Z-M1-PE7-H6-10
KBDG4V-5-33C30N-Z-M1-PE7-H7-10
KBDG4V-5-33C50N-Z-M1-PE7-H7-10
KBDG4V-5-2C50N25-Z-M1-PE7-H7-10
KBDG4V-5-33C50N25-Z-M1-PE7-H7-10
KBDG4V-5-2C70N-Z-M1-PE7-H7-10
KBTG4V-5-2B30N-Z-M1-PE7-H7-10
KBTG4V-5-2B50N-Z-M1-PE7-H7-10
DG4V-5-2BLJ-M-S6-U-H6-20
DG4V-3-521A-M-U-C6-60
KBDG4V-3-2C20N-H-M1-PC7-H7-10
DG4V-3-561C-M-U-BS6-60
KBTG4V-5-33B50N-Z-M1-PE7-H7-10
KBTG4V-5-2B70N-Z-M1-PE7-H7-10
KBDG4V-5-2C50N-Z-M1-PC7-H7-10
DG4V-3S-22B-M-U-H5-60
KBXCG-6-W250-Z-M1-3-A-PE7-H1-10
DG4V-3-2A205-M-U-HH7-60-EN26
DG5V-7-33C-2-E-T-M-U-H7-30
DGMX1-3-PP-CH-B-40
DG5V-7-0C-2-E-M-U-H7-30
DG5V-7-2AL-M-U-H7-30
DG4V-3-0A-M-KUP5-D2-H7-60
DG4V-3-2C-M-KUP5-D2-H7-60
DG4V-3S-2BL-M-KUP4-D3-H5-60
DG4V-3-0A-M-U-DN6-60
DG4V-3-2AL-M-U-DN6-60
KDG4V-3S-2C15N-M-KUP4-HA5-60
KBCG-3-L250D-Z-M1-2-A-PE7-H1-10-P15-T13
KBXG-8-W250-Z-M1-3-A-PE7-H1-10
KCG-3-350-D-Z-M-U-GP1-10-P15-T12
DG4V-5-8CJ-H-VM-U-G6-20
DG4V-3S-8B-H-VM-U-H5-61
KBCG-3-350D-Z-M1-2-A-PH7-H1-10
KTG4V-3-2B28S-M-U-HA7-60
KBDG5V-7-33C170N-E-Z-M1-PE7-H1-10
KBDG4V-3-2C20N-VM1-PH7-H7-10
KBCG-3-350D-Z-M1-1-A-PE7-H1-10
KCG-3-160-D-Z-M-U1-HL1-10
KBDG5V-7-33C130N65-X-M1-PE7-H1-10
KBCG-3-250D-Z-M1-1-A-PE7-H1-10
KHDG5V-5-2C100N-X-VM-U1-H1-20-EN101
VVS3-80-PFRM-30-CBW-10
KBXG-6-W100-Z-M1-3-A-PE7-H1-10
DG4V-5-24AL-M-U-A6-20
KBDG4V-3-33C13N-M1-PE7-H7-10
KBXG-8-W250-3-Z-M1-3-A-PE7-H1-10
KBXCG-8-W250-Z-M1-3-A-PE7-H1-10
KBCG-3-250D-Z-M1-3-A-PE7-H1-10-P15-T10-EN2
VVS2-50-S-RFRM-30-CCW-10
KBCG-6-W100-3-Z-M1-3-A-PE7-H1-10
KBCG-3-250D-Z-M1-2-A-PC7-H1-10
KCG-3-350-D-Z-M-U1-H1-10
K60N-047RDN or SC047R now RPEC-KBN now KSO-G02-2BP-30-CLME nowPVCMER1N1
RPEC-LBN 45V42V-1D20R nowR800G02F nowKBDG5V-5-2C90N-E-M1-PE7-H-10 nowVM4C-055-3N02-A1M4 nowZ2FS16-8-3X/S nowVM4C-027-3N02-A1M4
VM4C-034-3N02-A1M4 nowR 9,8-9,8-9,8-9,8 APV2R1-17-FRAA41 now
D41FHB31E1NE0048 nowD1FVE50BCVLB35 now4WRPEH6C3B40L-2X/G24KO/A1M now
Solenoid valve coil 021562
Solenoid valve coil R900021389
Solenoid valve coil 019793
Solenoid valve coil R900021562
Example valve plug R900021267
R901017026 24VAC/DC-4A Plug
CKIB-XAN presentCXBA-XCN presentCVCV-XCN presentCXDA-XCN presentRDBA-LAN presentPPFB-LHV presentPPFB-LAN-BBP
PV270R1K1T1NMMC present PV270R1K1T1WMMC presentDGMX2-3-PA-CW-B-40
DGMX2-3-PA-CW-S-40
DGMX2-3-PA-FH-B-40
DGMX2-3-PA-FK-B-40
DGMX2-3-PA-FW-B-40
DGMX2-3-PA-FW-S-40
DGMX2-3-PAL-AW-B-40
DGMX2-3-PAL-BW-B-40-EN15
DGMX2-3-PAL-CH-B-40
DGMX2-3-PAL-CW-B-40
DGMX2-3-PAL-FW-B-40
DGMX2-3-PAL-RH-B-40
DGMX2-3-PA-RH-B-40
DGMX2-3-PA-RW-B-40
DGMX2-3-PB-AW-B-40
DGMX2-3-PB-BH-B-40
DGMX2-3-PB-BK-B-40
DGMX2-3-PB-BW-B-40
DGMX2-3-PB-BW-S-40
DGMX2-3-PB-CH-B-40
DGMX2-3-PB-CK-B-40
DGMX2-3-PB-CW-B-40
DGMX2-3-PB-CW-S-40
DGMX2-3-PB-FH-B-40
DGMX2-3-PB-FW-B-40
DGMX2-3-PBL-BW-B-40
DGMX2-3-PBL-BW-B-40-EN15
DGMX2-3-PBL-CW-B-40
DGMX2-3-PBL-FW-B-40
DGMX2-3-PB-RH-B-40
DGMX2-3-PP-AH-B-40
DGMX2-3-PP-AK-B-40
DGMX2-3-PP-AW-B-40
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